Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
[  729.489216][ T5131] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5131 'syz-executor333'
[  729.554835][ T5133] loop2: detected capacity change from 0 to 2048
[  729.574230][ T5135] loop3: detected capacity change from 0 to 2048
[  729.596389][ T5136] loop1: detected capacity change from 0 to 2048
[  729.596786][ T5138] loop4: detected capacity change from 0 to 2048
[  729.612835][ T5133] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  729.613131][ T5131] loop0: detected capacity change from 0 to 2048
[  729.624879][ T5137] loop5: detected capacity change from 0 to 2048
[  729.639123][ T5135] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  729.653242][ T5138] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  729.665367][ T5131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  729.670057][ T5137] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  729.689546][ T5136] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  729.719987][ T5133] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  729.733696][ T5135] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  729.756014][ T5136] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  729.771361][ T5137] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  729.822810][ T5138] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  729.836327][ T5131] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  729.875925][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  729.895382][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  729.909488][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  729.919958][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  729.922296][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  729.941967][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
executing program
executing program
[  730.084061][ T5166] loop3: detected capacity change from 0 to 2048
[  730.109821][ T5166] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.118259][ T5162] loop5: detected capacity change from 0 to 2048
[  730.131625][ T5168] loop4: detected capacity change from 0 to 2048
[  730.136107][ T5167] loop0: detected capacity change from 0 to 2048
[  730.158142][ T5162] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.173170][ T5167] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.178675][ T5168] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.202885][ T5172] loop2: detected capacity change from 0 to 2048
[  730.219147][ T5171] loop1: detected capacity change from 0 to 2048
[  730.232563][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  730.233762][ T5166] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.268060][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  730.282518][ T5172] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.306658][ T5171] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.327220][ T5162] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.341341][ T5167] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.369655][ T5172] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.385888][ T5168] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.405380][ T5171] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.437898][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  730.446944][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  730.459121][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  730.473691][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  730.485104][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
executing program
[  730.533621][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  730.547779][ T5187] loop5: detected capacity change from 0 to 2048
[  730.572086][ T5187] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  730.626914][ T5193] loop0: detected capacity change from 0 to 2048
[  730.650396][ T5193] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.664213][ T5191] loop2: detected capacity change from 0 to 2048
[  730.668573][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  730.672189][ T5192] loop4: detected capacity change from 0 to 2048
[  730.694573][ T5187] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.712549][ T5195] loop1: detected capacity change from 0 to 2048
[  730.726291][ T5192] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.740894][ T5191] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.759128][ T5195] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.773445][ T5193] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.778230][ T5197] loop3: detected capacity change from 0 to 2048
executing program
[  730.822780][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  730.847202][ T5197] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.860029][ T5191] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.920322][ T5209] loop5: detected capacity change from 0 to 2048
[  730.936573][ T5209] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  730.947747][ T5192] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  730.967093][ T5195] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.037385][ T5209] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.065925][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.067553][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.086167][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.102856][ T5197] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  731.132863][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  731.169408][ T5217] loop2: detected capacity change from 0 to 2048
[  731.178041][ T5217] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.181289][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.202724][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
[  731.255102][ T5217] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.327692][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.333346][ T5220] loop4: detected capacity change from 0 to 2048
[  731.355288][ T5223] loop0: detected capacity change from 0 to 2048
[  731.384044][ T5220] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.390068][ T5230] loop5: detected capacity change from 0 to 2048
[  731.397763][ T5227] loop3: detected capacity change from 0 to 2048
[  731.407601][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  731.423118][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  731.426626][ T5228] loop1: detected capacity change from 0 to 2048
[  731.438289][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  731.455427][ T5223] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.461430][ T5230] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  731.469250][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  731.497344][ T5228] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.506116][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  731.531523][ T5220] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.554522][ T5227] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.574129][ T5223] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.586227][ T5232] loop2: detected capacity change from 0 to 2048
[  731.597752][ T5230] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.620845][ T5232] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.622844][ T5228] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.647686][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.667007][ T5227] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  731.709789][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.711369][ T5232] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  731.774402][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.785977][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  731.790239][ T5246] loop0: detected capacity change from 0 to 2048
[  731.796909][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  731.813881][ T5246] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.824094][ T5248] loop5: detected capacity change from 0 to 2048
[  731.838724][ T5248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.851965][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  731.871138][ T5250] loop1: detected capacity change from 0 to 2048
[  731.880165][ T5250] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.905147][ T5248] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  731.909259][ T5252] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  731.928635][ T5252] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  731.988664][ T5246] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  732.009849][ T5258] loop2: detected capacity change from 0 to 2048
[  732.024228][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  732.034466][ T5258] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  732.057317][ T5250] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  732.062527][ T5261] loop3: detected capacity change from 0 to 2048
executing program
[  732.080678][ T5261] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  732.095927][ T5252] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  732.166494][ T5267] loop5: detected capacity change from 0 to 2048
[  732.178110][ T5267] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  732.223554][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  732.246501][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  732.260319][ T5258] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  732.277079][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  732.291576][ T5261] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  732.336254][ T5267] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  732.359344][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
executing program
[  732.439553][ T5276] loop0: detected capacity change from 0 to 2048
[  732.455932][ T5276] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  732.484969][ T5281] loop1: detected capacity change from 0 to 2048
executing program
[  732.552879][ T5281] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  732.608506][ T5282] loop2: detected capacity change from 0 to 2048
[  732.616549][ T5279] loop4: detected capacity change from 0 to 2048
[  732.627088][ T5284] loop3: detected capacity change from 0 to 2048
[  732.636621][ T5284] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  732.658035][ T5282] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  732.680492][ T5279] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  732.701462][ T5286] loop5: detected capacity change from 0 to 2048
[  732.718465][ T5286] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  732.796705][ T5294] loop0: detected capacity change from 0 to 2048
[  732.826415][ T5294] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  732.841014][ T5304] loop2: detected capacity change from 0 to 2048
[  732.856261][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  732.884631][ T5304] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  732.940243][ T5306] loop1: detected capacity change from 0 to 2048
[  732.951493][ T5306] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  732.982359][ T5313] loop5: detected capacity change from 0 to 2048
[  733.002253][ T5312] loop4: detected capacity change from 0 to 2048
[  733.005270][ T5313] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.021529][ T5312] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.025357][ T5307] loop3: detected capacity change from 0 to 2048
[  733.049042][ T5318] loop0: detected capacity change from 0 to 2048
[  733.062461][ T5307] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  733.090504][ T5318] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  733.264107][ T5325] loop2: detected capacity change from 0 to 2048
[  733.287385][ T5334] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  733.317212][ T5334] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.323774][ T5335] loop4: detected capacity change from 0 to 2048
[  733.329548][ T5325] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.347431][ T5335] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.410256][ T5331] loop5: detected capacity change from 0 to 2048
[  733.426274][ T5337] loop3: detected capacity change from 0 to 2048
[  733.479569][ T5337] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.498984][ T5331] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.519812][ T5339] loop0: detected capacity change from 0 to 2048
executing program
[  733.573648][ T5339] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.601362][ T5350] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  733.681661][ T5350] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  733.752524][ T5360] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  733.869394][ T5360] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.904826][ T5356] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  733.915243][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  733.927579][ T5368] loop4: detected capacity change from 0 to 2048
[  733.937761][ T5146] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  733.947804][ T5369] loop3: detected capacity change from 0 to 2048
[  733.972362][ T5150] Buffer I/O error on dev loop3, logical block 0, async page read
[  733.983383][ T5356] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  733.986901][ T5146] Buffer I/O error on dev loop4, logical block 0, async page read
[  734.021316][ T5369] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.052311][ T5368] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.058024][ T5372] loop0: detected capacity change from 0 to 2048
executing program
[  734.094588][ T5372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.100506][ T5373] loop1: detected capacity change from 0 to 2048
[  734.125224][ T5373] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  734.239902][ T5385] loop2: detected capacity change from 0 to 2048
[  734.254176][ T5385] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.351628][ T5392] loop3: detected capacity change from 0 to 2048
[  734.362145][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  734.370486][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  734.379192][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  734.387177][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
[  734.399877][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  734.408110][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  734.425785][ T5392] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.443242][ T5390] loop4: detected capacity change from 0 to 2048
executing program
[  734.450801][ T5395] loop5: detected capacity change from 0 to 2048
[  734.458407][ T5390] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.481939][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  734.516347][ T5400] loop0: detected capacity change from 0 to 2048
[  734.528713][ T5400] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.551180][ T5395] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  734.695113][ T5403] loop1: detected capacity change from 0 to 2048
[  734.721348][ T5403] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.779379][ T5410] loop3: detected capacity change from 0 to 2048
[  734.787847][ T5417] loop0: detected capacity change from 0 to 2048
[  734.795344][ T5411] loop2: detected capacity change from 0 to 2048
[  734.812112][ T5412] loop4: detected capacity change from 0 to 2048
[  734.816786][ T5417] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  734.845856][ T5412] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.859534][ T5411] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.882746][ T5415] loop5: detected capacity change from 0 to 2048
[  734.889515][ T5421] loop1: detected capacity change from 0 to 2048
[  734.897335][ T5410] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.910819][ T5415] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  734.910850][ T5421] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  735.034546][ T5435] loop0: detected capacity change from 0 to 2048
[  735.057734][ T5435] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  735.250856][ T5446] loop4: detected capacity change from 0 to 2048
[  735.303112][ T5446] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.307121][ T5442] loop3: detected capacity change from 0 to 2048
[  735.324115][ T5443] loop5: detected capacity change from 0 to 2048
[  735.330342][ T5447] loop2: detected capacity change from 0 to 2048
[  735.331157][ T5444] loop1: detected capacity change from 0 to 2048
[  735.349624][ T5447] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.353394][ T5449] loop0: detected capacity change from 0 to 2048
[  735.361638][ T5443] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.367586][ T5444] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.390271][ T5442] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.390769][ T5449] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  735.540955][ T5464] loop4: detected capacity change from 0 to 2048
[  735.571150][ T5464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  735.588537][ T5468] loop0: detected capacity change from 0 to 2048
[  735.627376][ T5474] loop5: detected capacity change from 0 to 2048
[  735.637541][ T5474] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.642367][ T5468] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.679936][ T5470] loop3: detected capacity change from 0 to 2048
[  735.682819][ T5473] loop2: detected capacity change from 0 to 2048
[  735.697474][ T5475] loop1: detected capacity change from 0 to 2048
[  735.714727][ T5470] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  735.733348][ T5473] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.765054][ T5475] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  735.824653][ T5481] loop4: detected capacity change from 0 to 2048
[  735.833575][ T5481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  735.873729][ T5491] loop5: detected capacity change from 0 to 2048
[  735.901290][ T5491] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  735.999209][ T5501] loop1: detected capacity change from 0 to 2048
[  736.015599][ T5501] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.032833][ T5498] loop2: detected capacity change from 0 to 2048
[  736.048334][ T5500] loop3: detected capacity change from 0 to 2048
[  736.056294][ T5497] loop0: detected capacity change from 0 to 2048
[  736.071828][ T5498] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.074437][ T5505] loop4: detected capacity change from 0 to 2048
[  736.090552][ T5500] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.100886][ T5507] loop5: detected capacity change from 0 to 2048
[  736.110604][ T5507] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.143472][ T5497] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.157351][ T5156] blk_print_req_error: 21 callbacks suppressed
[  736.157363][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  736.175471][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  736.185707][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  736.233031][ T5505] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.249930][ T5513] loop1: detected capacity change from 0 to 2048
executing program
[  736.312190][ T5513] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.343734][ T5521] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  736.376551][ T5526] loop3: detected capacity change from 0 to 2048
[  736.386152][ T5526] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.401320][ T5521] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.419226][ T5528] loop5: detected capacity change from 0 to 2048
executing program
[  736.429278][ T5528] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.450143][ T5532] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  736.505498][ T5532] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  736.571757][ T5537] loop4: detected capacity change from 0 to 2048
[  736.572121][ T5541] loop2: detected capacity change from 0 to 2048
[  736.601548][ T5537] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.609178][ T5543] loop1: detected capacity change from 0 to 2048
[  736.622899][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  736.654818][ T5541] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.690016][ T5543] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.692585][ T5548] loop5: detected capacity change from 0 to 2048
[  736.726215][ T5547] loop3: detected capacity change from 0 to 2048
executing program
[  736.740659][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  736.764167][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  736.786775][ T5548] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.803949][ T5205] buffer_io_error: 9 callbacks suppressed
[  736.803965][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  736.805178][ T5557] loop0: detected capacity change from 0 to 2048
[  736.832921][ T5559] loop4: detected capacity change from 0 to 2048
[  736.833138][ T5547] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  736.853890][ T5559] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  736.930974][ T5557] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  737.057389][ T5569] loop1: detected capacity change from 0 to 2048
[  737.077589][ T5569] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.128358][ T5567] loop2: detected capacity change from 0 to 2048
[  737.141182][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  737.182714][ T5575] loop4: detected capacity change from 0 to 2048
[  737.206357][ T5573] loop5: detected capacity change from 0 to 2048
[  737.213226][ T5567] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.226088][ T5573] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.246364][ T5580] loop3: detected capacity change from 0 to 2048
[  737.257315][ T5580] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  737.278674][ T5205] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  737.375368][ T5575] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.405695][ T5581] loop0: detected capacity change from 0 to 2048
[  737.409837][ T5583] loop1: detected capacity change from 0 to 2048
[  737.419560][ T5581] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  737.457226][ T5583] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  737.545096][ T5591] loop2: detected capacity change from 0 to 2048
[  737.556211][ T5591] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  737.615838][ T5597] loop5: detected capacity change from 0 to 2048
[  737.628228][ T5597] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  737.761823][ T5603] loop4: detected capacity change from 0 to 2048
[  737.764066][ T5601] loop3: detected capacity change from 0 to 2048
[  737.786449][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  737.799546][ T5205] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  737.809437][ T5609] loop0: detected capacity change from 0 to 2048
[  737.818148][ T5150] Buffer I/O error on dev loop0, logical block 0, async page read
[  737.833106][ T5150] Buffer I/O error on dev loop0, logical block 0, async page read
[  737.850402][ T5613] loop2: detected capacity change from 0 to 2048
[  737.851259][ T5608] loop1: detected capacity change from 0 to 2048
[  737.866318][ T5613] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.874349][ T5601] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.877924][ T5609] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.889356][ T5603] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  737.921913][ T5608] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  738.123711][ T5631] loop1: detected capacity change from 0 to 2048
[  738.124407][ T5624] loop5: detected capacity change from 0 to 2048
[  738.133610][ T5631] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.234164][ T5630] loop2: detected capacity change from 0 to 2048
[  738.244067][ T5624] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.259482][ T5637] loop4: detected capacity change from 0 to 2048
[  738.266604][ T5630] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.269225][ T5635] loop0: detected capacity change from 0 to 2048
[  738.294899][ T5637] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.313421][ T5635] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.338439][ T5632] loop3: detected capacity change from 0 to 2048
executing program
[  738.351196][ T5632] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  738.479205][ T5640] loop1: detected capacity change from 0 to 2048
[  738.490076][ T5640] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  738.533027][ T5652] loop0: detected capacity change from 0 to 2048
[  738.569240][ T5652] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.592183][ T5654] loop4: detected capacity change from 0 to 2048
[  738.668155][ T5654] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.700493][ T5659] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  738.741268][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  738.751891][ T5661] loop3: detected capacity change from 0 to 2048
[  738.775592][ T5662] loop2: detected capacity change from 0 to 2048
[  738.783031][ T5659] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.816921][ T5667] loop1: detected capacity change from 0 to 2048
[  738.825637][ T5667] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.831629][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  738.846609][ T5661] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  738.895878][ T5662] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  738.902969][ T5670] loop0: detected capacity change from 0 to 2048
[  738.970401][ T5670] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  739.089283][ T5690] loop3: detected capacity change from 0 to 2048
[  739.104767][ T5678] loop4: detected capacity change from 0 to 2048
[  739.106612][ T5690] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  739.165673][ T5678] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.242802][ T5692] loop2: detected capacity change from 0 to 2048
[  739.243141][ T5688] loop5: detected capacity change from 0 to 2048
[  739.266163][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  739.281351][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  739.303396][ T5689] loop1: detected capacity change from 0 to 2048
[  739.315367][ T5694] loop0: detected capacity change from 0 to 2048
[  739.326201][ T5694] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.327262][ T5688] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.349838][ T5692] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.381818][ T5689] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  739.687121][ T5707] loop3: detected capacity change from 0 to 2048
[  739.707948][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  739.751659][ T5707] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.751913][ T5715] loop4: detected capacity change from 0 to 2048
[  739.781955][ T5721] loop5: detected capacity change from 0 to 2048
[  739.782918][ T5720] loop1: detected capacity change from 0 to 2048
[  739.791509][ T5175] Buffer I/O error on dev loop4, logical block 0, async page read
[  739.807383][ T5716] loop0: detected capacity change from 0 to 2048
[  739.810031][ T5722] loop2: detected capacity change from 0 to 2048
[  739.822092][ T5175] Buffer I/O error on dev loop4, logical block 0, async page read
[  739.858308][ T5722] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.871423][ T5716] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.885256][ T5720] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.889309][ T5721] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  739.912816][ T5715] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  740.121714][ T5740] loop4: detected capacity change from 0 to 2048
[  740.153246][ T5740] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  740.244991][ T5747] loop2: detected capacity change from 0 to 2048
[  740.256629][ T5747] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  740.265646][ T5743] loop0: detected capacity change from 0 to 2048
executing program
[  740.358626][ T5743] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  740.366577][ T5752] loop5: detected capacity change from 0 to 2048
[  740.404177][ T5757] loop4: detected capacity change from 0 to 2048
[  740.419193][ T5750] loop1: detected capacity change from 0 to 2048
[  740.427427][ T5757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  740.434696][ T5751] loop3: detected capacity change from 0 to 2048
[  740.445589][ T5750] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  740.461866][ T5751] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  740.483642][ T5752] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  740.587378][ T5765] loop2: detected capacity change from 0 to 2048
[  740.615229][ T5765] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  740.750915][ T5775] loop0: detected capacity change from 0 to 2048
[  740.768041][ T5775] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  740.848119][ T5778] loop5: detected capacity change from 0 to 2048
[  740.861481][ T5776] loop3: detected capacity change from 0 to 2048
[  740.874702][ T5778] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  740.889279][ T5776] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  740.943309][ T5780] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  741.010697][ T5788] loop2: detected capacity change from 0 to 2048
[  741.024326][ T5783] loop1: detected capacity change from 0 to 2048
[  741.030909][ T5780] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.037768][ T5788] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  741.091334][ T5783] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  741.148532][ T5793] loop5: detected capacity change from 0 to 2048
[  741.157483][ T5794] loop0: detected capacity change from 0 to 2048
[  741.166265][ T5794] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.189683][ T5796] loop3: detected capacity change from 0 to 2048
executing program
[  741.210445][ T5802] loop4: detected capacity change from 0 to 2048
[  741.214901][ T5793] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.229648][ T5802] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.243241][ T5796] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  741.325651][ T5808] loop2: detected capacity change from 0 to 2048
[  741.335346][ T5205] blk_print_req_error: 56 callbacks suppressed
[  741.335364][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  741.365051][ T5808] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.395094][ T5817] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  741.436092][ T5818] loop0: detected capacity change from 0 to 2048
[  741.455608][ T5817] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.467531][ T5818] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.516995][ T5821] loop5: detected capacity change from 0 to 2048
[  741.538086][ T5821] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  741.620528][ T5825] loop3: detected capacity change from 0 to 2048
executing program
[  741.664884][ T5825] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.677668][ T5829] loop4: detected capacity change from 0 to 2048
[  741.701578][ T5829] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.736957][ T5839] loop0: detected capacity change from 0 to 2048
[  741.740478][ T5836] loop2: detected capacity change from 0 to 2048
[  741.751604][ T5838] loop1: detected capacity change from 0 to 2048
[  741.769650][ T5839] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  741.782458][ T5836] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.795549][ T5838] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.803635][ T5842] loop5: detected capacity change from 0 to 2048
[  741.822651][ T5842] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  741.880870][ T5848] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  741.932183][ T5858] loop0: detected capacity change from 0 to 2048
[  741.942230][ T5858] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  741.965002][ T5848] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  742.034104][ T5863] loop5: detected capacity change from 0 to 2048
[  742.052994][ T5868] loop1: detected capacity change from 0 to 2048
[  742.064491][ T5868] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  742.096673][ T5863] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.117699][ T5864] loop4: detected capacity change from 0 to 2048
[  742.140563][ T5870] loop2: detected capacity change from 0 to 2048
[  742.150031][ T5873] loop3: detected capacity change from 0 to 2048
[  742.159067][ T5873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.172843][ T5864] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.181048][ T5877] loop0: detected capacity change from 0 to 2048
executing program
[  742.198440][ T5877] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.221006][ T5870] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  742.309755][ T5881] loop1: detected capacity change from 0 to 2048
[  742.331026][ T5881] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.341418][ T5890] loop5: detected capacity change from 0 to 2048
executing program
[  742.353287][ T5890] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  742.385354][ T5892] loop3: detected capacity change from 0 to 2048
[  742.394240][ T5892] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  742.512910][ T5904] loop0: detected capacity change from 0 to 2048
[  742.529836][ T5904] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.532979][ T5897] loop2: detected capacity change from 0 to 2048
[  742.549109][ T5899] loop4: detected capacity change from 0 to 2048
[  742.566933][ T5897] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.580891][ T5899] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.590844][ T5909] loop5: detected capacity change from 0 to 2048
[  742.601876][ T5909] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.623629][ T5906] loop1: detected capacity change from 0 to 2048
[  742.652294][ T5910] loop3: detected capacity change from 0 to 2048
[  742.662782][ T5906] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  742.675051][ T5910] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  742.810453][ T5920] loop2: detected capacity change from 0 to 2048
[  742.820125][ T5920] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.840609][ T5930] loop5: detected capacity change from 0 to 2048
[  742.849348][ T5930] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  742.902297][ T5932] loop3: detected capacity change from 0 to 2048
[  742.914548][ T5927] loop0: detected capacity change from 0 to 2048
[  742.930433][ T5932] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.943387][ T5936] loop1: detected capacity change from 0 to 2048
[  742.959112][ T5927] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.971684][ T5936] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  742.987429][ T5929] loop4: detected capacity change from 0 to 2048
[  742.993746][ T5940] loop2: detected capacity change from 0 to 2048
[  743.013760][ T5929] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  743.109739][ T5940] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  743.194190][ T5948] loop5: detected capacity change from 0 to 2048
[  743.210756][ T5948] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.242265][ T5958] loop3: detected capacity change from 0 to 2048
[  743.250035][ T5950] loop0: detected capacity change from 0 to 2048
[  743.271446][ T5958] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.273285][ T5950] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  743.286941][ T5957] loop1: detected capacity change from 0 to 2048
[  743.330995][ T5963] loop4: detected capacity change from 0 to 2048
executing program
[  743.351702][ T5957] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.369825][ T5963] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  743.406045][ T5970] loop5: detected capacity change from 0 to 2048
[  743.434918][ T5970] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  743.539074][ T5975] loop2: detected capacity change from 0 to 2048
[  743.545373][ T5973] loop0: detected capacity change from 0 to 2048
[  743.551656][ T5979] loop3: detected capacity change from 0 to 2048
[  743.572457][ T5975] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  743.588230][ T5979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.604180][ T5973] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.614181][ T5984] loop4: detected capacity change from 0 to 2048
[  743.636950][ T5984] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.661824][ T5987] loop1: detected capacity change from 0 to 2048
executing program
[  743.687936][ T5989] loop5: detected capacity change from 0 to 2048
[  743.692570][ T5987] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.762438][ T5989] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  743.882461][ T5999] loop0: detected capacity change from 0 to 2048
[  743.897373][ T6004] loop3: detected capacity change from 0 to 2048
[  743.904057][ T6003] loop2: detected capacity change from 0 to 2048
[  743.915790][ T6004] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  743.927476][ T6003] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  743.940249][ T5999] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  744.027629][ T6009] loop4: detected capacity change from 0 to 2048
executing program
[  744.069848][ T6009] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  744.146526][ T6017] loop1: detected capacity change from 0 to 2048
[  744.160936][ T6017] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  744.310512][ T6023] loop2: detected capacity change from 0 to 2048
executing program
[  744.358424][ T6030] loop3: detected capacity change from 0 to 2048
[  744.371376][ T6023] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  744.385306][ T6035] loop4: detected capacity change from 0 to 2048
[  744.409560][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  744.423058][ T5150] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  744.428241][ T6032] loop0: detected capacity change from 0 to 2048
[  744.440271][ T6033] loop5: detected capacity change from 0 to 2048
[  744.453450][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  744.478462][ T6030] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  744.497705][ T6035] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  744.513001][ T6037] loop1: detected capacity change from 0 to 2048
[  744.535582][ T6032] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  744.538768][ T6033] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  744.574836][ T6037] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  744.800765][ T6051] loop2: detected capacity change from 0 to 2048
[  744.824566][ T6051] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  744.858839][ T6053] loop3: detected capacity change from 0 to 2048
[  744.899949][ T6058] loop1: detected capacity change from 0 to 2048
[  744.912368][ T6053] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  744.974185][ T6060] loop0: detected capacity change from 0 to 2048
[  744.975475][ T6058] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  745.007277][ T6060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  745.016348][ T6055] loop4: detected capacity change from 0 to 2048
[  745.038552][ T6061] loop5: detected capacity change from 0 to 2048
[  745.040460][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  745.056722][ T6055] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  745.152028][ T6073] loop2: detected capacity change from 0 to 2048
[  745.173215][ T6061] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  745.205526][ T6073] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  745.398431][ T6081] loop0: detected capacity change from 0 to 2048
[  745.411399][ T6084] loop4: detected capacity change from 0 to 2048
[  745.420883][ T6082] loop3: detected capacity change from 0 to 2048
[  745.430279][ T5150] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  745.454616][ T6081] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  745.488630][ T6084] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  745.510675][ T6082] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  745.537176][ T6087] loop5: detected capacity change from 0 to 2048
[  745.541241][ T6091] loop2: detected capacity change from 0 to 2048
[  745.575786][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  745.575990][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  745.604644][ T6089] loop1: detected capacity change from 0 to 2048
[  745.622820][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  745.639017][ T6087] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  745.650282][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  745.660098][ T5175] buffer_io_error: 33 callbacks suppressed
[  745.660114][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  745.729055][ T6091] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  745.745295][ T6089] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  745.948751][ T6108] loop0: detected capacity change from 0 to 2048
[  745.967726][ T6108] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.023416][ T6110] loop4: detected capacity change from 0 to 2048
[  746.046192][ T5150] Buffer I/O error on dev loop4, logical block 0, async page read
[  746.071973][ T6102] loop3: detected capacity change from 0 to 2048
[  746.097219][ T6111] loop5: detected capacity change from 0 to 2048
[  746.111639][ T6113] loop2: detected capacity change from 0 to 2048
[  746.119624][ T6110] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.130970][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  746.131060][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  746.131137][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  746.131290][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  746.157729][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  746.164929][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  746.179231][ T6102] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.200170][ T6115] loop1: detected capacity change from 0 to 2048
[  746.204341][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  746.226678][ T6115] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.238577][ T6111] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  746.249987][ T6113] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  746.334527][ T6122] loop0: detected capacity change from 0 to 2048
executing program
[  746.382115][ T6122] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  746.495510][ T6131] loop4: detected capacity change from 0 to 2048
[  746.511379][ T6131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  746.561371][ T6138] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  746.609123][ T6138] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.626118][ T6139] loop3: detected capacity change from 0 to 2048
[  746.635209][ T6139] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  746.751430][ T6143] loop2: detected capacity change from 0 to 2048
[  746.763017][ T5156] blk_print_req_error: 11 callbacks suppressed
[  746.763035][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  746.763217][ T6144] loop5: detected capacity change from 0 to 2048
[  746.801123][ T6144] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.843098][ T6149] loop4: detected capacity change from 0 to 2048
[  746.875877][ T5146] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  746.892094][ T6148] loop0: detected capacity change from 0 to 2048
[  746.900788][ T6155] loop3: detected capacity change from 0 to 2048
[  746.908207][ T6143] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.929247][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  746.936200][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  746.951580][ T6149] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  746.967894][ T6148] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  747.049661][ T6164] loop5: detected capacity change from 0 to 2048
[  747.059859][ T6155] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  747.079456][ T6159] loop1: detected capacity change from 0 to 2048
[  747.080140][ T6164] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  747.098794][ T6159] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  747.228870][ T6175] loop0: detected capacity change from 0 to 2048
[  747.237679][ T6175] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  747.442523][ T6188] loop0: detected capacity change from 0 to 2048
[  747.454750][ T6188] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  747.470699][ T6192] loop4: detected capacity change from 0 to 2048
[  747.479940][ T6192] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  747.497255][ T6185] loop2: detected capacity change from 0 to 2048
[  747.511469][ T6187] loop3: detected capacity change from 0 to 2048
[  747.522867][ T6182] loop1: detected capacity change from 0 to 2048
[  747.535315][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  747.539049][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  747.557598][ T6185] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  747.558001][ T6190] loop5: detected capacity change from 0 to 2048
[  747.590126][ T6187] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  747.602291][ T6182] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  747.625500][ T6190] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  747.838446][ T6206] loop0: detected capacity change from 0 to 2048
[  747.850781][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  747.911347][ T6206] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  747.986645][ T6210] loop2: detected capacity change from 0 to 2048
[  748.000740][ T6211] loop3: detected capacity change from 0 to 2048
[  748.013105][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  748.023326][ T6212] loop4: detected capacity change from 0 to 2048
[  748.035712][ T6210] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.039277][ T5146] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  748.068838][ T6215] loop5: detected capacity change from 0 to 2048
[  748.076624][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  748.086184][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  748.098574][ T6212] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.102832][ T6216] loop1: detected capacity change from 0 to 2048
executing program
[  748.131664][ T6215] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.156339][ T6216] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.176059][ T6211] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  748.230922][ T6227] loop0: detected capacity change from 0 to 2048
[  748.244858][ T6227] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  748.344977][ T6235] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  748.413459][ T6235] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.451207][ T6239] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  748.461840][ T6239] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.481842][ T6244] loop4: detected capacity change from 0 to 2048
[  748.501385][ T6242] loop3: detected capacity change from 0 to 2048
[  748.516611][ T6244] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.536273][ T6247] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  748.567232][ T6247] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.572162][ T6242] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.584077][ T6248] loop1: detected capacity change from 0 to 2048
[  748.600728][ T6248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.692300][ T6258] loop5: detected capacity change from 0 to 2048
[  748.717651][ T6258] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  748.752557][ T6256] loop2: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  748.829519][ T6256] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.888625][ T6274] loop5: detected capacity change from 0 to 2048
[  748.900000][ T6274] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.907772][ T6273] loop3: detected capacity change from 0 to 2048
[  748.926064][ T6272] loop0: detected capacity change from 0 to 2048
executing program
[  748.941062][ T6275] loop1: detected capacity change from 0 to 2048
[  748.945912][ T6272] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.959502][ T6276] loop4: detected capacity change from 0 to 2048
[  748.960035][ T6273] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  748.988202][ T6275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.005018][ T6276] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  749.065346][ T6280] loop2: detected capacity change from 0 to 2048
[  749.086101][ T6280] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  749.234776][ T6298] loop5: detected capacity change from 0 to 2048
[  749.245724][ T6298] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  749.348378][ T6296] loop0: detected capacity change from 0 to 2048
executing program
[  749.432335][ T6296] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.457198][ T6304] loop4: detected capacity change from 0 to 2048
[  749.462408][ T6307] loop1: detected capacity change from 0 to 2048
[  749.478489][ T6303] loop2: detected capacity change from 0 to 2048
[  749.485853][ T6301] loop3: detected capacity change from 0 to 2048
[  749.508146][ T6307] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.520771][ T6310] loop5: detected capacity change from 0 to 2048
[  749.542660][ T6301] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.543425][ T6304] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.567356][ T6303] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.597236][ T6310] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  749.805699][ T6326] loop3: detected capacity change from 0 to 2048
[  749.817292][ T6326] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.828987][ T6324] loop0: detected capacity change from 0 to 2048
[  749.849207][ T6329] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  749.865431][ T6329] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.883570][ T6324] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.946664][ T6336] loop4: detected capacity change from 0 to 2048
[  749.956497][ T6336] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.959520][ T6331] loop2: detected capacity change from 0 to 2048
[  749.977821][ T6331] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  749.984775][ T6335] loop5: detected capacity change from 0 to 2048
executing program
[  750.024501][ T6335] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  750.135496][ T6349] loop1: detected capacity change from 0 to 2048
[  750.155338][ T6349] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  750.210077][ T6351] loop0: detected capacity change from 0 to 2048
[  750.246299][ T6351] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  750.261559][ T6352] loop3: detected capacity change from 0 to 2048
[  750.287909][ T6352] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  750.408658][ T6362] loop5: detected capacity change from 0 to 2048
[  750.419914][ T6362] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  750.470867][ T6361] loop2: detected capacity change from 0 to 2048
[  750.504200][ T6361] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  750.561541][ T6366] loop4: detected capacity change from 0 to 2048
[  750.585503][ T6369] loop1: detected capacity change from 0 to 2048
executing program
[  750.609218][ T6372] loop3: detected capacity change from 0 to 2048
[  750.615863][ T6370] loop0: detected capacity change from 0 to 2048
[  750.622752][ T6366] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  750.642605][ T6370] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  750.655439][ T6369] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  750.667854][ T6377] loop5: detected capacity change from 0 to 2048
[  750.677667][ T6372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  750.705766][ T6377] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  750.948680][ T6395] loop4: detected capacity change from 0 to 2048
[  750.961137][ T6395] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.001268][ T6396] loop1: detected capacity change from 0 to 2048
[  751.035760][ T6396] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.064379][ T6399] loop0: detected capacity change from 0 to 2048
[  751.097441][ T6400] loop5: detected capacity change from 0 to 2048
executing program
[  751.118325][ T6399] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.143231][ T5156] buffer_io_error: 90 callbacks suppressed
[  751.143248][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  751.159621][ T6406] loop4: detected capacity change from 0 to 2048
[  751.165889][ T6398] loop3: detected capacity change from 0 to 2048
[  751.172879][ T6406] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.192413][ T6400] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.200904][ T6394] loop2: detected capacity change from 0 to 2048
[  751.230764][ T6398] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  751.275308][ T6394] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.315208][ T6416] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  751.349811][ T6416] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  751.479850][ T6427] loop5: detected capacity change from 0 to 2048
[  751.516496][ T6422] loop4: detected capacity change from 0 to 2048
[  751.532824][ T6427] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.546792][ T6422] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  751.640530][ T6432] loop2: detected capacity change from 0 to 2048
[  751.653148][ T6424] loop0: detected capacity change from 0 to 2048
[  751.677356][ T6428] loop3: detected capacity change from 0 to 2048
[  751.677717][ T6432] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.694436][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  751.711164][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  751.726629][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
executing program
[  751.735761][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  751.753319][ T6434] loop1: detected capacity change from 0 to 2048
[  751.754900][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  751.775295][ T6424] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  751.825675][ T6428] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  751.864269][ T6434] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  751.874376][ T6445] loop4: detected capacity change from 0 to 2048
[  751.889391][ T6445] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  751.951749][ T6452] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  752.019783][ T6452] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  752.103398][ T6457] loop4: detected capacity change from 0 to 2048
[  752.116243][ T6458] loop0: detected capacity change from 0 to 2048
[  752.132884][ T6457] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.152571][ T6458] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.168402][ T6461] loop1: detected capacity change from 0 to 2048
[  752.179555][ T6463] loop2: detected capacity change from 0 to 2048
[  752.188203][ T6461] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  752.197868][ T6464] loop3: detected capacity change from 0 to 2048
[  752.214290][ T6463] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.227960][ T6464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  752.261276][ T6472] loop5: detected capacity change from 0 to 2048
[  752.270534][ T6472] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  752.374849][ T6485] loop1: detected capacity change from 0 to 2048
[  752.385185][ T6485] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.422685][ T6482] loop4: detected capacity change from 0 to 2048
[  752.435445][ T6481] loop0: detected capacity change from 0 to 2048
[  752.453495][ T6481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  752.469367][ T6482] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.521904][ T6494] loop5: detected capacity change from 0 to 2048
[  752.536707][ T6494] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.541602][ T6488] loop2: detected capacity change from 0 to 2048
[  752.559997][ T6488] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  752.569999][ T6492] loop3: detected capacity change from 0 to 2048
[  752.579954][ T6492] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.658646][ T6502] loop1: detected capacity change from 0 to 2048
[  752.686741][ T6502] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  752.807191][ T6509] loop4: detected capacity change from 0 to 2048
[  752.832228][ T6509] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  752.923481][ T6511] loop0: detected capacity change from 0 to 2048
[  752.943706][ T6511] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  752.943754][ T6514] loop2: detected capacity change from 0 to 2048
[  752.973325][ T6518] loop3: detected capacity change from 0 to 2048
executing program
[  753.013975][ T6517] loop1: detected capacity change from 0 to 2048
[  753.040641][ T6520] loop5: detected capacity change from 0 to 2048
[  753.041101][ T6517] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.070721][ T6518] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.086007][ T6514] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.104985][ T6520] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  753.137994][ T6525] loop4: detected capacity change from 0 to 2048
[  753.163438][ T6525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  753.268376][ T6533] loop0: detected capacity change from 0 to 2048
[  753.284838][ T6533] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.349957][ T6542] loop2: detected capacity change from 0 to 2048
[  753.375762][ T6538] loop3: detected capacity change from 0 to 2048
[  753.392597][ T6546] loop5: detected capacity change from 0 to 2048
executing program
[  753.403329][ T6542] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.417556][ T6538] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.423112][ T6544] loop1: detected capacity change from 0 to 2048
[  753.459281][ T6544] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.484112][ T6546] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.498174][ T6550] loop4: detected capacity change from 0 to 2048
[  753.542651][ T6550] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  753.666296][ T6563] loop0: detected capacity change from 0 to 2048
[  753.689699][ T6563] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  753.795876][ T6566] loop3: detected capacity change from 0 to 2048
[  753.810443][ T6566] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.828122][ T6569] loop1: detected capacity change from 0 to 2048
[  753.828150][ T6565] loop2: detected capacity change from 0 to 2048
[  753.839783][ T6572] loop4: detected capacity change from 0 to 2048
[  753.848229][ T6569] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.861138][ T6572] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.863410][ T6570] loop5: detected capacity change from 0 to 2048
[  753.881439][ T6565] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  753.896377][ T6570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  754.098114][ T6587] loop3: detected capacity change from 0 to 2048
[  754.128899][ T6587] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.147571][ T6589] loop1: detected capacity change from 0 to 2048
[  754.174966][ T6591] loop4: detected capacity change from 0 to 2048
[  754.181181][ T6592] loop0: detected capacity change from 0 to 2048
[  754.193645][ T6589] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.213924][ T6592] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.215513][ T6591] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.238643][ T6595] loop2: detected capacity change from 0 to 2048
[  754.247905][ T6596] loop5: detected capacity change from 0 to 2048
[  754.282162][ T6596] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  754.297198][ T6595] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  754.377554][ T6606] loop3: detected capacity change from 0 to 2048
[  754.396724][ T6606] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  754.529081][ T6616] loop4: detected capacity change from 0 to 2048
[  754.567157][ T6618] loop1: detected capacity change from 0 to 2048
[  754.568191][ T6622] loop2: detected capacity change from 0 to 2048
[  754.581087][ T6616] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.595348][ T6624] loop3: detected capacity change from 0 to 2048
[  754.596475][ T6619] loop0: detected capacity change from 0 to 2048
[  754.608532][ T6622] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.619546][ T6621] loop5: detected capacity change from 0 to 2048
[  754.627053][ T6624] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.644650][ T6618] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.645021][ T6619] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  754.670896][ T6621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  754.852449][ T6638] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  754.902717][ T6638] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  755.003646][ T6643] loop0: detected capacity change from 0 to 2048
[  755.023516][ T6642] loop4: detected capacity change from 0 to 2048
[  755.043091][ T5156] blk_print_req_error: 124 callbacks suppressed
[  755.043110][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  755.047897][ T6644] loop2: detected capacity change from 0 to 2048
[  755.063580][ T5150] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  755.090538][ T6646] loop1: detected capacity change from 0 to 2048
[  755.090982][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  755.102248][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  755.117921][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  755.131384][ T6643] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.147718][ T6646] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.160649][ T5156] Buffer I/O error on dev loop4, logical block 0, async page read
[  755.170324][ T6642] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  755.200244][ T6650] loop5: detected capacity change from 0 to 2048
[  755.209185][ T6650] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.225465][ T6644] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  755.436384][ T6664] loop0: detected capacity change from 0 to 2048
[  755.451553][ T6656] loop3: detected capacity change from 0 to 2048
[  755.461523][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  755.472990][ T6664] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.511809][ T6661] loop1: detected capacity change from 0 to 2048
[  755.540399][ T6656] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.547896][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  755.610883][ T6661] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.614484][ T6670] loop5: detected capacity change from 0 to 2048
[  755.624831][ T6668] loop4: detected capacity change from 0 to 2048
[  755.639909][ T6672] loop2: detected capacity change from 0 to 2048
[  755.666183][ T6672] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.666652][ T6668] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.689702][ T6670] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  755.848887][ T6686] loop0: detected capacity change from 0 to 2048
[  755.873258][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  755.963144][ T6686] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  755.970508][ T6690] loop2: detected capacity change from 0 to 2048
[  756.025240][ T6694] loop3: detected capacity change from 0 to 2048
[  756.039984][ T6693] loop1: detected capacity change from 0 to 2048
[  756.052230][ T6696] loop4: detected capacity change from 0 to 2048
[  756.058920][ T6690] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.071687][ T6697] loop5: detected capacity change from 0 to 2048
[  756.081719][ T6694] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.093385][ T6693] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.108141][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  756.128762][ T6697] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.155740][ T6696] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  756.315312][ T6711] loop3: detected capacity change from 0 to 2048
[  756.328456][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  756.395999][ T6711] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.448334][ T6715] loop4: detected capacity change from 0 to 2048
[  756.449199][ T6717] loop2: detected capacity change from 0 to 2048
[  756.467400][ T6718] loop1: detected capacity change from 0 to 2048
[  756.481359][ T5139] Buffer I/O error on dev loop2, logical block 0, async page read
[  756.491994][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  756.492681][ T6719] loop0: detected capacity change from 0 to 2048
[  756.512563][ T6715] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.517609][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  756.539806][ T6717] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.559143][ T6721] loop5: detected capacity change from 0 to 2048
[  756.571675][ T6721] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.585485][ T6719] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.608764][ T6718] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  756.714427][ T6734] loop3: detected capacity change from 0 to 2048
[  756.729727][ T6734] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.753672][ T6736] loop2: detected capacity change from 0 to 2048
executing program
[  756.768495][ T6736] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  756.791454][ T6740] loop4: detected capacity change from 0 to 2048
[  756.799798][ T6740] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  756.889199][ T6744] loop0: detected capacity change from 0 to 2048
[  756.897717][ T6744] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  756.929752][ T6747] loop5: detected capacity change from 0 to 2048
[  756.964827][ T6747] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  757.054341][ T6755] loop2: detected capacity change from 0 to 2048
[  757.063597][ T6752] loop1: detected capacity change from 0 to 2048
[  757.096637][ T6755] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.105904][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  757.124098][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  757.132336][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  757.142301][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  757.151000][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  757.159360][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  757.167806][ T5175] Buffer I/O error on dev loop1, logical block 3, async page read
executing program
[  757.187191][ T6752] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  757.267332][ T6767] loop0: detected capacity change from 0 to 2048
[  757.277318][ T6767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.334415][ T6758] loop4: detected capacity change from 0 to 2048
executing program
[  757.417285][ T6772] loop2: detected capacity change from 0 to 2048
[  757.429732][ T6766] loop3: detected capacity change from 0 to 2048
[  757.443944][ T6769] loop5: detected capacity change from 0 to 2048
[  757.449060][ T6766] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.453917][ T6758] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.474063][ T6772] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.543327][ T6776] loop1: detected capacity change from 0 to 2048
[  757.566679][ T6769] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.580373][ T6776] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  757.668520][ T6783] loop0: detected capacity change from 0 to 2048
[  757.679476][ T6783] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  757.876207][ T6787] loop3: detected capacity change from 0 to 2048
[  757.888775][ T6794] loop4: detected capacity change from 0 to 2048
[  757.898148][ T6791] loop2: detected capacity change from 0 to 2048
[  757.955120][ T6787] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.974458][ T6791] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  757.989278][ T6794] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.037670][ T6802] loop1: detected capacity change from 0 to 2048
[  758.069951][ T6800] loop5: detected capacity change from 0 to 2048
[  758.090276][ T6802] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.115732][ T6801] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  758.154851][ T6800] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.186829][ T6801] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  758.199794][ T6810] loop2: detected capacity change from 0 to 2048
[  758.216124][ T6810] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  758.285979][ T6820] loop3: detected capacity change from 0 to 2048
[  758.310128][ T6820] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  758.338805][ T6824] loop0: detected capacity change from 0 to 2048
[  758.356846][ T6824] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.373768][ T6826] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  758.385548][ T6826] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.409805][ T6829] loop5: detected capacity change from 0 to 2048
[  758.427455][ T6829] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.454738][ T6834] loop1: detected capacity change from 0 to 2048
[  758.464859][ T6834] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  758.547566][ T6840] loop2: detected capacity change from 0 to 2048
[  758.557733][ T6840] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  758.727946][ T6847] loop0: detected capacity change from 0 to 2048
[  758.814004][ T6853] loop4: detected capacity change from 0 to 2048
[  758.818623][ T6847] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.872615][ T6853] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.887706][ T6855] loop5: detected capacity change from 0 to 2048
[  758.915370][ T6859] loop2: detected capacity change from 0 to 2048
[  758.916534][ T6858] loop1: detected capacity change from 0 to 2048
[  758.937278][ T6860] loop3: detected capacity change from 0 to 2048
[  758.954930][ T6855] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  758.988291][ T6859] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.000981][ T6860] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.060170][ T6858] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  759.224539][ T6874] loop5: detected capacity change from 0 to 2048
[  759.233606][ T6874] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  759.360524][ T6878] loop0: detected capacity change from 0 to 2048
[  759.367736][ T6877] loop4: detected capacity change from 0 to 2048
[  759.391799][ T6882] loop3: detected capacity change from 0 to 2048
[  759.407219][ T6878] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.422403][ T6877] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.442025][ T6885] loop2: detected capacity change from 0 to 2048
[  759.471482][ T6886] loop1: detected capacity change from 0 to 2048
[  759.494695][ T6885] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.533757][ T6886] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.568364][ T6882] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.568961][ T6888] loop5: detected capacity change from 0 to 2048
[  759.593542][ T6888] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  759.690133][ T6901] loop4: detected capacity change from 0 to 2048
executing program
[  759.740202][ T6888] EXT4-fs mount: 784 callbacks suppressed
[  759.740222][ T6888] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  759.758292][ T6904] loop0: detected capacity change from 0 to 2048
executing program
[  759.783504][ T6906] loop2: detected capacity change from 0 to 2048
[  759.796465][ T6906] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.822857][ T6911] loop1: detected capacity change from 0 to 2048
[  759.829392][ T6904] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.831056][ T6901] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.854581][ T6911] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.858147][ T6909] loop3: detected capacity change from 0 to 2048
[  759.874725][ T6909] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  759.890572][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  759.901858][ T6904] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  759.905603][ T6909] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  759.964465][ T6901] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  759.992869][ T6906] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.006554][ T6911] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.011719][ T6923] loop5: detected capacity change from 0 to 2048
[  760.030258][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.042421][ T6923] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.044800][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  760.055269][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.093620][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  760.136626][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.160092][ T6927] loop3: detected capacity change from 0 to 2048
[  760.168779][ T6927] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  760.192051][ T6923] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.226302][ T6927] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.251544][ T6930] loop2: detected capacity change from 0 to 2048
[  760.265695][ T6933] loop0: detected capacity change from 0 to 2048
[  760.266618][ T6930] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.284978][ T6933] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.317893][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.360959][ T6935] loop4: detected capacity change from 0 to 2048
[  760.370934][ T6935] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.406317][ T6933] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.409274][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.436000][ T6938] loop1: detected capacity change from 0 to 2048
[  760.445127][ T6930] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.475733][ T5175] blk_print_req_error: 138 callbacks suppressed
[  760.475760][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  760.498613][ T6935] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  760.533695][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  760.546135][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  760.638094][ T6938] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.650434][ T6947] loop5: detected capacity change from 0 to 2048
executing program
[  760.682529][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.698740][ T6949] loop3: detected capacity change from 0 to 2048
[  760.705246][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.707593][ T6947] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.743229][ T6938] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.756568][ T6949] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  760.810610][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  760.825913][ T6952] loop4: detected capacity change from 0 to 2048
[  760.836701][ T6952] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  760.856881][ T6947] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.872755][ T6949] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.909066][ T6956] loop2: detected capacity change from 0 to 2048
[  760.917687][ T6963] loop1: detected capacity change from 0 to 2048
[  760.922685][ T6957] loop0: detected capacity change from 0 to 2048
[  760.931722][ T6963] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.950900][ T6956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.964572][ T6952] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  760.966719][ T6957] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  760.994157][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.006635][ T6956] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.015430][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.037622][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.058281][ T6963] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.076989][ T6957] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[  761.114305][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  761.159142][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.173055][ T6975] loop5: detected capacity change from 0 to 2048
[  761.182012][ T6975] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  761.218142][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  761.276599][ T6975] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.298982][ T6977] loop3: detected capacity change from 0 to 2048
[  761.314333][ T6979] loop2: detected capacity change from 0 to 2048
executing program
[  761.323466][ T6976] loop4: detected capacity change from 0 to 2048
[  761.342318][ T6979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.362120][ T6977] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.374917][ T6976] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.393579][ T6985] loop0: detected capacity change from 0 to 2048
[  761.402759][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.409508][ T6983] loop1: detected capacity change from 0 to 2048
[  761.419844][ T6985] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.420236][ T6983] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.438140][ T6977] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.457241][ T6979] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  761.497013][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.500564][ T6976] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.508256][ T6983] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  761.551422][ T6985] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.570278][ T6997] loop5: detected capacity change from 0 to 2048
[  761.580176][ T6997] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.611443][ T6999] loop3: detected capacity change from 0 to 2048
[  761.614987][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.629103][ T6999] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  761.655184][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.656341][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.676999][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.691852][ T6997] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  761.721954][ T7005] loop1: detected capacity change from 0 to 2048
[  761.730854][ T7005] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.754542][ T7007] loop2: detected capacity change from 0 to 2048
[  761.763464][ T7007] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  761.798119][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.821805][ T6999] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  761.870359][ T7005] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.887073][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  761.900653][ T7010] loop0: detected capacity change from 0 to 2048
executing program
[  761.909935][ T7007] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  761.923374][ T7017] loop4: detected capacity change from 0 to 2048
[  761.947465][ T7018] loop5: detected capacity change from 0 to 2048
[  761.955065][ T7010] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  761.968589][ T7017] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  761.993325][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  762.007082][ T7018] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  762.046825][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  762.096343][ T7020] loop3: detected capacity change from 0 to 2048
[  762.105325][ T7010] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  762.108089][ T7024] loop1: detected capacity change from 0 to 2048
[  762.121866][ T7017] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  762.137073][ T7020] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.137862][ T7024] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.182721][ T7018] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  762.213074][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  762.244273][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  762.254790][ T7020] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  762.256105][ T7024] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  762.298686][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
[  762.357456][ T7034] loop2: detected capacity change from 0 to 2048
[  762.380506][ T7034] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  762.527536][ T7041] loop4: detected capacity change from 0 to 2048
[  762.538729][ T7036] loop3: detected capacity change from 0 to 2048
[  762.552162][ T7043] loop5: detected capacity change from 0 to 2048
[  762.559025][ T7042] loop0: detected capacity change from 0 to 2048
[  762.567734][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  762.571591][ T7044] loop1: detected capacity change from 0 to 2048
[  762.587093][ T7041] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.599669][ T7042] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.612255][ T7043] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.612383][ T7044] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.630361][ T7036] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.644326][ T7048] loop2: detected capacity change from 0 to 2048
[  762.656801][ T7048] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  762.888318][ T7067] loop4: detected capacity change from 0 to 2048
[  762.908224][ T7070] loop1: detected capacity change from 0 to 2048
[  762.915087][ T7063] loop3: detected capacity change from 0 to 2048
[  762.923034][ T7067] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.926615][ T7064] loop0: detected capacity change from 0 to 2048
[  762.946053][ T7070] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.960156][ T7063] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.965606][ T7072] loop2: detected capacity change from 0 to 2048
[  762.975674][ T7069] loop5: detected capacity change from 0 to 2048
[  762.987874][ T7064] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  762.988199][ T7072] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.012276][ T7069] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  763.212618][ T7089] loop1: detected capacity change from 0 to 2048
[  763.246892][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  763.279453][ T7092] loop4: detected capacity change from 0 to 2048
[  763.309422][ T7089] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.330839][ T7092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.351136][ T7093] loop0: detected capacity change from 0 to 2048
[  763.363460][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  763.415631][ T7093] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.430004][ T7096] loop2: detected capacity change from 0 to 2048
[  763.446093][ T7098] loop5: detected capacity change from 0 to 2048
[  763.450554][ T7095] loop3: detected capacity change from 0 to 2048
[  763.464493][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  763.476517][ T7095] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.479620][ T7096] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.520981][ T7098] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  763.621736][ T7113] loop4: detected capacity change from 0 to 2048
[  763.652120][ T7113] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.662429][ T7115] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  763.672696][ T7115] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  763.776798][ T7117] loop1: detected capacity change from 0 to 2048
[  763.797227][ T7117] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  763.837515][ T7123] loop2: detected capacity change from 0 to 2048
[  763.855934][ T7126] loop3: detected capacity change from 0 to 2048
[  763.863264][ T7127] loop5: detected capacity change from 0 to 2048
[  763.870958][ T7123] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.885221][ T7126] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.898363][ T7127] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.917416][ T7131] loop0: detected capacity change from 0 to 2048
executing program
[  763.928865][ T7131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  763.957016][ T7130] loop4: detected capacity change from 0 to 2048
executing program
[  763.988454][ T7130] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.018746][ T7142] loop1: detected capacity change from 0 to 2048
[  764.063378][ T7145] loop2: detected capacity change from 0 to 2048
[  764.067299][ T7142] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.085861][ T7145] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  764.220588][ T7156] loop4: detected capacity change from 0 to 2048
[  764.240791][ T7156] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.247340][ T7152] loop5: detected capacity change from 0 to 2048
[  764.257847][ T7159] loop1: detected capacity change from 0 to 2048
executing program
[  764.268561][ T7159] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.293660][ T7154] loop0: detected capacity change from 0 to 2048
[  764.302006][ T7152] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.305922][ T7158] loop3: detected capacity change from 0 to 2048
[  764.321232][ T7154] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.374372][ T7158] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  764.437625][ T7167] loop2: detected capacity change from 0 to 2048
executing program
executing program
executing program
executing program
[  764.499652][ T7167] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.523410][ T7174] loop1: detected capacity change from 0 to 2048
[  764.533350][ T7174] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.605294][ T7178] loop4: detected capacity change from 0 to 2048
[  764.640810][ T7184] loop3: detected capacity change from 0 to 2048
executing program
[  764.658007][ T7184] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.669092][ T7178] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.684344][ T7180] loop0: detected capacity change from 0 to 2048
[  764.693465][ T7182] loop5: detected capacity change from 0 to 2048
executing program
[  764.700367][ T7180] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.728354][ T7182] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.790076][ T7189] loop2: detected capacity change from 0 to 2048
[  764.808872][ T7189] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.832302][ T7197] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  764.846355][ T7197] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  764.893694][ T7203] loop4: detected capacity change from 0 to 2048
[  764.902501][ T7203] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  764.923663][ T7201] loop0: detected capacity change from 0 to 2048
[  764.959886][ T7201] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  765.001027][ T7207] loop5: detected capacity change from 0 to 2048
[  765.027552][ T7207] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  765.093474][ T7212] loop3: detected capacity change from 0 to 2048
[  765.101275][ T7219] loop2: detected capacity change from 0 to 2048
[  765.136480][ T7212] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.154427][ T7219] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.160969][ T7223] loop0: detected capacity change from 0 to 2048
executing program
[  765.187189][ T7223] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.204155][ T7220] loop4: detected capacity change from 0 to 2048
executing program
[  765.247988][ T7220] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.277517][ T7221] loop1: detected capacity change from 0 to 2048
[  765.306436][ T7221] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.311291][ T7229] loop5: detected capacity change from 0 to 2048
[  765.339663][ T7235] loop2: detected capacity change from 0 to 2048
executing program
[  765.350564][ T7235] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.363541][ T7229] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  765.399355][ T7242] loop0: detected capacity change from 0 to 2048
[  765.418616][ T7242] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  765.523911][ T7246] loop3: detected capacity change from 0 to 2048
[  765.533515][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
executing program
[  765.605823][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  765.624254][ T5205] buffer_io_error: 99 callbacks suppressed
[  765.624271][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
[  765.689750][ T7246] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.747838][ T7254] loop1: detected capacity change from 0 to 2048
[  765.789572][ T7258] loop4: detected capacity change from 0 to 2048
[  765.797127][ T7259] loop2: detected capacity change from 0 to 2048
[  765.809188][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  765.810830][ T7261] loop0: detected capacity change from 0 to 2048
[  765.818813][ T7255] loop5: detected capacity change from 0 to 2048
[  765.827844][ T7254] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.836299][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  765.854811][ T7258] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.866417][ T7261] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.914501][ T7255] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  765.931157][ T7259] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  766.088466][ T7274] loop3: detected capacity change from 0 to 2048
[  766.105679][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  766.118876][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  766.129494][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
[  766.142140][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  766.191036][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  766.218786][ T7280] loop0: detected capacity change from 0 to 2048
[  766.225940][ T7274] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.238083][ T7280] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.242297][ T7283] loop4: detected capacity change from 0 to 2048
[  766.266139][ T7283] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.266955][ T7275] loop1: detected capacity change from 0 to 2048
executing program
[  766.287432][ T7275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  766.480255][ T7296] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
executing program
[  766.529390][ T7296] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.559434][ T7299] loop2: detected capacity change from 0 to 2048
[  766.592763][ T7299] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.638173][ T7305] loop4: detected capacity change from 0 to 2048
[  766.647091][ T7305] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.671726][ T7303] loop1: detected capacity change from 0 to 2048
[  766.688731][ T7303] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.694402][ T7307] loop0: detected capacity change from 0 to 2048
[  766.747064][ T7307] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.784644][ T7304] loop3: detected capacity change from 0 to 2048
executing program
[  766.801796][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  766.879683][ T7304] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.880134][ T7320] loop5: detected capacity change from 0 to 2048
[  766.921508][ T7320] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  766.937902][ T7321] loop4: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  766.971851][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  767.011625][ T7321] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.062637][ T7326] loop2: detected capacity change from 0 to 2048
[  767.071667][ T7326] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.120587][ T7324] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  767.169064][ T7324] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.169518][ T7329] loop0: detected capacity change from 0 to 2048
[  767.201469][ T7329] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.237127][ T7340] loop5: detected capacity change from 0 to 2048
[  767.250200][ T7340] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.267781][ T7343] loop3: detected capacity change from 0 to 2048
executing program
[  767.276467][ T7343] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  767.384490][ T7351] loop0: detected capacity change from 0 to 2048
[  767.393475][ T7344] loop4: detected capacity change from 0 to 2048
[  767.413044][ T7351] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.424112][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  767.450900][ T5156] Buffer I/O error on dev loop4, logical block 0, async page read
[  767.499821][ T7344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.537432][ T7356] loop1: detected capacity change from 0 to 2048
executing program
[  767.543432][ T5205] Buffer I/O error on dev loop1, logical block 0, async page read
[  767.560076][ T7353] loop2: detected capacity change from 0 to 2048
[  767.573431][ T7353] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  767.595823][ T7356] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  767.679994][ T7367] loop3: detected capacity change from 0 to 2048
[  767.701454][ T7367] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.707186][ T7370] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  767.725825][ T7370] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  767.906699][ T7375] loop0: detected capacity change from 0 to 2048
[  767.914847][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  767.923114][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  767.931936][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  767.974287][ T7372] loop4: detected capacity change from 0 to 2048
[  767.981656][ T7375] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  767.996772][ T5205] Buffer I/O error on dev loop4, logical block 0, async page read
[  768.058253][ T7372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.078671][ T7380] loop1: detected capacity change from 0 to 2048
[  768.091764][ T7383] loop3: detected capacity change from 0 to 2048
[  768.103162][ T7384] loop2: detected capacity change from 0 to 2048
[  768.137679][ T5139] Buffer I/O error on dev loop3, logical block 0, async page read
[  768.150519][ T7386] loop5: detected capacity change from 0 to 2048
[  768.152027][ T7384] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.175622][ T7380] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.193738][ T7383] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.210656][ T7386] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  768.535604][ T7407] loop1: detected capacity change from 0 to 2048
[  768.551763][ T7412] loop3: detected capacity change from 0 to 2048
executing program
[  768.590176][ T7412] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.615240][ T7407] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.638515][ T7414] loop4: detected capacity change from 0 to 2048
[  768.667142][ T7406] loop0: detected capacity change from 0 to 2048
[  768.685009][ T7414] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.723338][ T7406] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.723554][ T7418] loop2: detected capacity change from 0 to 2048
[  768.752298][ T7416] loop5: detected capacity change from 0 to 2048
[  768.762000][ T7416] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  768.774004][ T7418] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  768.812002][ T7426] loop3: detected capacity change from 0 to 2048
executing program
[  768.825313][ T7426] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  769.030773][ T7441] loop0: detected capacity change from 0 to 2048
[  769.042045][ T7441] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  769.160114][ T7449] loop5: detected capacity change from 0 to 2048
[  769.188336][ T7454] loop1: detected capacity change from 0 to 2048
[  769.195688][ T7451] loop3: detected capacity change from 0 to 2048
[  769.196849][ T7455] loop2: detected capacity change from 0 to 2048
[  769.216228][ T7453] loop4: detected capacity change from 0 to 2048
[  769.223035][ T7449] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.252439][ T7451] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.265219][ T7454] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.305451][ T7453] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.331085][ T7455] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.338300][ T7457] loop0: detected capacity change from 0 to 2048
[  769.404515][ T7457] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  769.562355][ T7473] loop5: detected capacity change from 0 to 2048
[  769.574868][ T7473] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.644901][ T7475] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  769.690469][ T7480] loop2: detected capacity change from 0 to 2048
[  769.700883][ T7479] loop0: detected capacity change from 0 to 2048
[  769.721384][ T7475] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.763021][ T7479] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.774675][ T7480] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.793933][ T7481] loop3: detected capacity change from 0 to 2048
[  769.844497][ T7485] loop1: detected capacity change from 0 to 2048
[  769.848941][ T7481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.880480][ T7485] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  769.892795][ T7487] loop5: detected capacity change from 0 to 2048
[  769.907238][ T7487] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  770.068007][ T7503] loop2: detected capacity change from 0 to 2048
[  770.082563][ T7503] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  770.106762][ T7500] loop4: detected capacity change from 0 to 2048
[  770.117323][ T7505] loop3: detected capacity change from 0 to 2048
[  770.135134][ T7500] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  770.167079][ T7505] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  770.360126][ T7509] loop1: detected capacity change from 0 to 2048
[  770.367668][ T7521] loop4: detected capacity change from 0 to 2048
[  770.374737][ T7513] loop5: detected capacity change from 0 to 2048
[  770.376112][ T7512] loop0: detected capacity change from 0 to 2048
[  770.394585][ T7517] loop2: detected capacity change from 0 to 2048
executing program
[  770.405109][ T7509] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  770.421861][ T7513] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  770.434230][ T7517] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  770.434735][ T7521] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  770.457447][ T7512] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  770.535735][ T7523] loop3: detected capacity change from 0 to 2048
[  770.547016][ T7523] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  770.743013][ T7542] loop2: detected capacity change from 0 to 2048
[  770.754630][ T7542] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  770.791648][ T7543] loop5: detected capacity change from 0 to 2048
[  770.816340][ T7543] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  770.912743][ T7549] loop1: detected capacity change from 0 to 2048
[  770.923222][ T7549] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  770.996445][ T7553] loop3: detected capacity change from 0 to 2048
[  771.002352][ T7545] loop4: detected capacity change from 0 to 2048
[  771.035689][ T7553] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.064655][ T7545] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.082756][ T7552] loop0: detected capacity change from 0 to 2048
executing program
[  771.104956][ T7561] loop5: detected capacity change from 0 to 2048
[  771.115214][ T7557] loop2: detected capacity change from 0 to 2048
executing program
[  771.149926][ T7561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.165042][ T7557] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.177769][ T7552] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  771.264734][ T7577] loop3: detected capacity change from 0 to 2048
[  771.275868][ T7577] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  771.390620][ T7573] loop1: detected capacity change from 0 to 2048
[  771.404255][ T7573] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.483222][ T7584] loop5: detected capacity change from 0 to 2048
[  771.510563][ T7587] loop2: detected capacity change from 0 to 2048
executing program
[  771.527923][ T7584] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.527956][ T7588] loop4: detected capacity change from 0 to 2048
[  771.550065][ T7591] loop0: detected capacity change from 0 to 2048
[  771.560859][ T7587] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.561421][ T7593] loop3: detected capacity change from 0 to 2048
[  771.585783][ T7591] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.597892][ T7588] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.603021][ T7595] loop1: detected capacity change from 0 to 2048
[  771.621676][ T7593] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.621916][ T7595] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  771.923169][ T7612] loop5: detected capacity change from 0 to 2048
[  771.930855][ T5175] blk_print_req_error: 131 callbacks suppressed
[  771.930872][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  771.936691][ T7615] loop0: detected capacity change from 0 to 2048
[  771.981177][ T7620] loop3: detected capacity change from 0 to 2048
[  771.991405][ T7615] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  771.992202][ T7610] loop2: detected capacity change from 0 to 2048
[  772.003548][ T7622] loop1: detected capacity change from 0 to 2048
[  772.017198][ T7612] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.021286][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  772.033760][ T7620] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.052279][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  772.065095][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  772.069303][ T7621] loop4: detected capacity change from 0 to 2048
[  772.075735][ T5146] buffer_io_error: 98 callbacks suppressed
[  772.075750][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  772.083564][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  772.097361][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  772.140084][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  772.157373][ T7610] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  772.184434][ T7621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.201826][ T7622] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  772.420609][ T7637] loop3: detected capacity change from 0 to 2048
[  772.429242][ T7641] loop0: detected capacity change from 0 to 2048
[  772.430569][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  772.443375][ T7644] loop5: detected capacity change from 0 to 2048
[  772.457874][ T7646] loop2: detected capacity change from 0 to 2048
[  772.467276][ T7644] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.480766][ T7641] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.505677][ T7645] loop1: detected capacity change from 0 to 2048
[  772.507480][ T7646] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.527245][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  772.537661][ T7637] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.563439][ T7648] loop4: detected capacity change from 0 to 2048
[  772.587462][ T7645] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.614676][ T7648] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  772.908403][ T7663] loop0: detected capacity change from 0 to 2048
[  772.940418][ T7669] loop3: detected capacity change from 0 to 2048
[  772.951037][ T7663] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  772.968042][ T7671] loop2: detected capacity change from 0 to 2048
[  772.976844][ T7672] loop5: detected capacity change from 0 to 2048
[  772.989519][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  773.002348][ T7675] loop4: detected capacity change from 0 to 2048
[  773.004190][ T7669] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.027847][ T7672] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.053923][ T7676] loop1: detected capacity change from 0 to 2048
[  773.064420][ T7675] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.079656][ T7676] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.097234][ T7671] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  773.205767][ T7690] loop0: detected capacity change from 0 to 2048
[  773.221936][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  773.265440][ T7690] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.293512][ T7693] loop2: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  773.312658][ T7693] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.341690][ T7694] loop5: detected capacity change from 0 to 2048
[  773.357954][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  773.387975][ T7694] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.416865][ T7699] loop4: detected capacity change from 0 to 2048
[  773.428895][ T7700] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  773.445774][ T7699] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.468451][ T7700] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.471597][ T7697] loop1: detected capacity change from 0 to 2048
[  773.519885][ T7697] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.556490][ T7715] loop2: detected capacity change from 0 to 2048
[  773.569063][ T7715] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  773.610500][ T7707] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  773.669463][ T7707] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.699832][ T7719] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  773.721706][ T7719] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.780007][ T7724] loop5: detected capacity change from 0 to 2048
[  773.814875][ T7727] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  773.825088][ T7724] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.849472][ T7735] loop0: detected capacity change from 0 to 2048
[  773.856697][ T7725] loop4: detected capacity change from 0 to 2048
[  773.865232][ T7727] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.879868][ T7735] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.895545][ T7725] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.912156][ T7731] loop2: detected capacity change from 0 to 2048
[  773.939236][ T7737] loop3: detected capacity change from 0 to 2048
[  773.950089][ T7731] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  773.981946][ T7737] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  774.147237][ T7753] loop1: detected capacity change from 0 to 2048
[  774.156696][ T7754] loop5: detected capacity change from 0 to 2048
[  774.170653][ T7754] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.196703][ T7753] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.219323][ T7757] loop4: detected capacity change from 0 to 2048
[  774.257753][ T7762] loop2: detected capacity change from 0 to 2048
[  774.266617][ T7759] loop0: detected capacity change from 0 to 2048
[  774.274339][ T7762] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.290096][ T7757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  774.313245][ T7761] loop3: detected capacity change from 0 to 2048
[  774.332993][ T7761] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  774.374815][ T7759] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  774.424030][ T7774] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  774.469984][ T7774] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.483347][ T7778] loop2: detected capacity change from 0 to 2048
[  774.486225][ T7773] loop5: detected capacity change from 0 to 2048
[  774.501105][ T7778] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.541132][ T7782] loop4: detected capacity change from 0 to 2048
[  774.572111][ T7773] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  774.627579][ T7782] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.658737][ T7786] loop3: detected capacity change from 0 to 2048
[  774.699716][ T7788] loop0: detected capacity change from 0 to 2048
[  774.719432][ T7786] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  774.745541][ T7796] loop2: detected capacity change from 0 to 2048
[  774.766380][ T7796] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.778616][ T7788] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.803291][ T7797] loop1: detected capacity change from 0 to 2048
[  774.815646][ T7797] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.828993][ T7800] loop5: detected capacity change from 0 to 2048
[  774.840334][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  774.875194][ T7802] loop4: detected capacity change from 0 to 2048
[  774.924451][ T7802] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  774.929236][ T7800] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  775.141006][ T7820] loop3: detected capacity change from 0 to 2048
[  775.180175][ T7815] loop0: detected capacity change from 0 to 2048
[  775.187379][ T7821] loop4: detected capacity change from 0 to 2048
[  775.197006][ T5139] Buffer I/O error on dev loop3, logical block 0, async page read
[  775.209007][ T7816] loop1: detected capacity change from 0 to 2048
[  775.227128][ T7821] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  775.241330][ T7820] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.242295][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  775.254845][ T7816] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.296230][ T7815] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.326524][ T7822] loop2: detected capacity change from 0 to 2048
[  775.338152][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  775.366900][ T7822] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.388497][ T7826] loop5: detected capacity change from 0 to 2048
[  775.401371][ T7826] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  775.474978][ T7838] loop3: detected capacity change from 0 to 2048
[  775.487677][ T7838] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  775.624717][ T7846] loop1: detected capacity change from 0 to 2048
[  775.643914][ T7846] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.662123][ T7845] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  775.687433][ T5150] Buffer I/O error on dev loop4, logical block 0, async page read
[  775.711433][ T5150] Buffer I/O error on dev loop4, logical block 0, async page read
[  775.751958][ T7845] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.779658][ T7850] loop2: detected capacity change from 0 to 2048
[  775.800509][ T7853] loop3: detected capacity change from 0 to 2048
[  775.804242][ T7850] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.811099][ T7849] loop0: detected capacity change from 0 to 2048
[  775.825804][ T7853] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  775.851481][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  775.898529][ T7856] loop5: detected capacity change from 0 to 2048
[  775.908915][ T7849] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  775.950690][ T7856] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  775.971880][ T7862] loop1: detected capacity change from 0 to 2048
[  776.018590][ T7862] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  776.105413][ T7870] loop4: detected capacity change from 0 to 2048
[  776.132431][ T7870] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  776.199770][ T7878] loop0: detected capacity change from 0 to 2048
[  776.236073][ T7878] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  776.243996][ T7879] loop2: detected capacity change from 0 to 2048
[  776.270850][ T7874] loop3: detected capacity change from 0 to 2048
executing program
[  776.323830][ T7874] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  776.344975][ T7885] loop5: detected capacity change from 0 to 2048
[  776.352240][ T7879] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  776.421306][ T7889] loop1: detected capacity change from 0 to 2048
[  776.429446][ T7885] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  776.444578][ T7887] loop4: detected capacity change from 0 to 2048
[  776.452146][ T7889] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  776.499406][ T7887] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  776.663090][ T7897] loop0: detected capacity change from 0 to 2048
[  776.674922][ T7897] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  776.774397][ T7906] loop2: detected capacity change from 0 to 2048
[  776.783674][ T7908] loop5: detected capacity change from 0 to 2048
executing program
[  776.835705][ T7911] loop1: detected capacity change from 0 to 2048
[  776.847233][ T7908] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  776.848257][ T7914] loop3: detected capacity change from 0 to 2048
[  776.866053][ T7906] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  776.893468][ T7915] loop4: detected capacity change from 0 to 2048
[  776.903031][ T7915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  776.955032][ T7919] loop0: detected capacity change from 0 to 2048
[  776.963711][ T7914] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  776.976925][ T7911] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.005658][ T7919] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  777.131720][ T7932] loop5: detected capacity change from 0 to 2048
[  777.148045][ T7932] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  777.340297][ T7950] loop3: detected capacity change from 0 to 2048
[  777.355176][ T7950] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.359595][ T7939] loop2: detected capacity change from 0 to 2048
[  777.379419][ T7939] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.411522][ T7949] loop4: detected capacity change from 0 to 2048
[  777.427363][ T5205] blk_print_req_error: 79 callbacks suppressed
[  777.427383][ T5205] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  777.449579][ T7947] loop1: detected capacity change from 0 to 2048
[  777.470477][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  777.494973][ T7949] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.514380][ T7946] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  777.529965][ T7947] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.542642][ T7946] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.566206][ T7956] loop5: detected capacity change from 0 to 2048
executing program
[  777.609616][ T7956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.617378][ T7958] loop3: detected capacity change from 0 to 2048
[  777.635991][ T7958] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  777.764294][ T7965] loop2: detected capacity change from 0 to 2048
[  777.769981][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  777.810291][ T7974] loop1: detected capacity change from 0 to 2048
[  777.834947][ T7974] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.835229][ T7965] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.879863][ T7973] loop0: detected capacity change from 0 to 2048
[  777.897100][ T7973] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.917570][ T7978] loop5: detected capacity change from 0 to 2048
executing program
[  777.927945][ T7978] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  777.968330][ T7977] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  778.021632][ T7977] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.034050][ T7985] loop3: detected capacity change from 0 to 2048
[  778.056063][ T7985] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  778.174240][ T7996] loop0: detected capacity change from 0 to 2048
[  778.204088][ T7996] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.216415][ T7995] loop2: detected capacity change from 0 to 2048
executing program
[  778.238444][ T7997] loop1: detected capacity change from 0 to 2048
[  778.242613][ T7995] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.247467][ T7998] loop5: detected capacity change from 0 to 2048
[  778.268640][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  778.282711][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  778.298292][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  778.310059][ T8004] loop3: detected capacity change from 0 to 2048
[  778.310253][ T7997] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.319394][ T5205] buffer_io_error: 50 callbacks suppressed
[  778.319409][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  778.334069][ T8004] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.360100][ T8002] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  778.400760][ T8002] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.413489][ T7998] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.503476][ T8016] loop0: detected capacity change from 0 to 2048
[  778.517926][ T8014] loop2: detected capacity change from 0 to 2048
[  778.534765][ T8016] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.551262][ T8014] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  778.727381][ T8030] loop3: detected capacity change from 0 to 2048
[  778.737057][ T8030] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  778.771610][ T8032] loop4: detected capacity change from 0 to 2048
[  778.790924][ T8027] loop1: detected capacity change from 0 to 2048
[  778.818214][ T8032] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.841915][ T8033] loop5: detected capacity change from 0 to 2048
[  778.858871][ T8027] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.886399][ T8035] loop0: detected capacity change from 0 to 2048
[  778.906273][ T8033] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.925284][ T8036] loop2: detected capacity change from 0 to 2048
[  778.952087][ T8035] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  778.974463][ T8036] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  779.143968][ T8053] loop4: detected capacity change from 0 to 2048
[  779.169444][ T8047] loop3: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  779.187791][ T8047] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.187843][ T8053] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  779.390593][ T8066] loop3: detected capacity change from 0 to 2048
[  779.401775][ T8067] loop2: detected capacity change from 0 to 2048
[  779.412697][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  779.424069][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  779.448933][ T8069] loop4: detected capacity change from 0 to 2048
[  779.449470][ T8060] loop1: detected capacity change from 0 to 2048
[  779.464734][ T8069] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.470479][ T8065] loop5: detected capacity change from 0 to 2048
[  779.477021][ T8066] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.487325][ T8056] loop0: detected capacity change from 0 to 2048
[  779.505433][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  779.520759][ T8060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.532501][ T8056] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.561960][ T8065] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.562922][ T8067] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  779.663229][ T8083] loop3: detected capacity change from 0 to 2048
[  779.698033][ T8085] loop4: detected capacity change from 0 to 2048
executing program
[  779.711179][ T8083] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.724827][ T8085] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  779.874864][ T8092] loop0: detected capacity change from 0 to 2048
[  779.905562][ T8094] loop5: detected capacity change from 0 to 2048
[  779.909775][ T8088] loop1: detected capacity change from 0 to 2048
executing program
[  779.919190][ T8092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.935181][ T8094] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.958784][ T8088] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.980314][ T8099] loop2: detected capacity change from 0 to 2048
[  779.986868][ T8098] loop3: detected capacity change from 0 to 2048
[  779.996353][ T8098] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  779.996668][ T8099] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  780.109674][ T8101] loop4: detected capacity change from 0 to 2048
executing program
[  780.171856][ T8101] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.222110][ T8113] loop5: detected capacity change from 0 to 2048
[  780.236797][ T8113] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.249467][ T8115] loop0: detected capacity change from 0 to 2048
executing program
executing program
executing program
executing program
[  780.268178][ T8115] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  780.397475][ T8126] loop3: detected capacity change from 0 to 2048
[  780.407058][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  780.441052][ T8129] loop4: detected capacity change from 0 to 2048
[  780.466448][ T8121] loop2: detected capacity change from 0 to 2048
[  780.482483][ T5205] Buffer I/O error on dev loop4, logical block 0, async page read
[  780.495067][ T8126] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.500335][ T5150] Buffer I/O error on dev loop2, logical block 0, async page read
[  780.518123][ T8127] loop1: detected capacity change from 0 to 2048
executing program
[  780.546298][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  780.546470][ T8129] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.582027][ T8121] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.587039][ T8133] loop5: detected capacity change from 0 to 2048
[  780.608273][ T8127] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.624481][ T5175] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  780.671766][ T5175] Buffer I/O error on dev loop5, logical block 0, async page read
[  780.710334][ T8135] loop0: detected capacity change from 0 to 2048
[  780.724845][ T8133] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.736728][ T8135] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.760330][ T8145] loop3: detected capacity change from 0 to 2048
executing program
[  780.821474][ T8145] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  780.962371][ T8159] loop5: detected capacity change from 0 to 2048
[  780.976889][ T8159] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  780.983125][ T8155] loop2: detected capacity change from 0 to 2048
[  781.020083][ T8155] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.025757][ T8161] loop0: detected capacity change from 0 to 2048
[  781.041678][ T8149] loop4: detected capacity change from 0 to 2048
[  781.057272][ T8161] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  781.074410][ T8156] loop1: detected capacity change from 0 to 2048
[  781.087525][ T8156] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.105268][ T8149] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  781.192419][ T8171] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  781.240786][ T8165] loop3: detected capacity change from 0 to 2048
[  781.249269][ T8171] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.261574][ T8165] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  781.323225][ T8177] loop5: detected capacity change from 0 to 2048
[  781.343371][ T8177] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  781.400547][ T8185] loop4: detected capacity change from 0 to 2048
[  781.422076][ T8185] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.429165][ T8179] loop2: detected capacity change from 0 to 2048
executing program
[  781.459838][ T8179] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.487195][ T8190] loop0: detected capacity change from 0 to 2048
[  781.512967][ T8193] loop3: detected capacity change from 0 to 2048
[  781.522999][ T8190] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.552175][ T8193] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  781.552588][ T8192] loop1: detected capacity change from 0 to 2048
[  781.608145][ T8197] loop5: detected capacity change from 0 to 2048
[  781.612374][ T8192] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.627180][ T8197] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  781.636245][ T8203] loop4: detected capacity change from 0 to 2048
executing program
[  781.663070][ T8203] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  781.783765][ T8209] loop2: detected capacity change from 0 to 2048
[  781.793241][ T8209] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  781.832734][ T8215] loop3: detected capacity change from 0 to 2048
[  781.846091][ T8215] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  781.956103][ T8220] loop0: detected capacity change from 0 to 2048
[  781.957988][ T8218] loop5: detected capacity change from 0 to 2048
[  781.970063][ T8220] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.011246][ T8223] loop4: detected capacity change from 0 to 2048
[  782.021841][ T8218] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.042206][ T8223] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.047504][ T8230] loop3: detected capacity change from 0 to 2048
[  782.064656][ T8228] loop1: detected capacity change from 0 to 2048
[  782.073254][ T8230] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.085503][ T8228] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  782.200715][ T8231] loop2: detected capacity change from 0 to 2048
[  782.221608][ T8231] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.236229][ T8243] loop0: detected capacity change from 0 to 2048
executing program
[  782.247349][ T8243] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  782.339546][ T8247] loop4: detected capacity change from 0 to 2048
[  782.363521][ T8247] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  782.491070][ T8261] loop0: detected capacity change from 0 to 2048
[  782.498936][ T5156] blk_print_req_error: 9 callbacks suppressed
[  782.498954][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  782.518085][ T8255] loop1: detected capacity change from 0 to 2048
[  782.520146][ T8254] loop2: detected capacity change from 0 to 2048
[  782.534169][ T8255] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.550824][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  782.561134][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  782.577890][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  782.581175][ T8256] loop5: detected capacity change from 0 to 2048
[  782.606894][ T8258] loop3: detected capacity change from 0 to 2048
[  782.608694][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  782.619716][ T8254] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.635955][ T8261] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.652592][ T8258] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.690391][ T8263] loop4: detected capacity change from 0 to 2048
[  782.706330][ T8263] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  782.721331][ T8256] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  783.067210][ T8286] loop4: detected capacity change from 0 to 2048
[  783.070329][ T5139] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  783.085410][ T8279] loop1: detected capacity change from 0 to 2048
[  783.094475][ T8287] loop0: detected capacity change from 0 to 2048
[  783.106040][ T8283] loop2: detected capacity change from 0 to 2048
[  783.117540][ T8282] loop5: detected capacity change from 0 to 2048
[  783.128841][ T8287] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.129244][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  783.155432][ T8279] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.174114][ T8283] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.182232][ T8289] loop3: detected capacity change from 0 to 2048
[  783.188626][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  783.203161][ T8286] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.221290][ T8282] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.252482][ T8289] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  783.405849][ T8303] loop0: detected capacity change from 0 to 2048
[  783.435500][ T8305] loop1: detected capacity change from 0 to 2048
[  783.443915][ T8305] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  783.457975][ T8303] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.481914][ T8308] loop4: detected capacity change from 0 to 2048
executing program
[  783.522865][ T8308] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.561494][ T8315] loop2: detected capacity change from 0 to 2048
[  783.578010][ T8315] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.590585][ T8317] loop5: detected capacity change from 0 to 2048
[  783.621426][ T8316] loop3: detected capacity change from 0 to 2048
[  783.636517][ T8320] loop1: detected capacity change from 0 to 2048
[  783.650917][ T8320] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  783.663062][ T8317] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  783.717478][ T8316] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  783.805325][ T8327] loop0: detected capacity change from 0 to 2048
[  783.821633][ T8327] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  783.971193][ T8340] loop1: detected capacity change from 0 to 2048
[  784.009845][ T8340] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.012811][ T8333] loop2: detected capacity change from 0 to 2048
[  784.054335][ T8343] loop3: detected capacity change from 0 to 2048
executing program
[  784.063265][ T8343] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.067744][ T8342] loop4: detected capacity change from 0 to 2048
[  784.081469][ T8339] loop5: detected capacity change from 0 to 2048
[  784.097365][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  784.118169][ T8333] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.148745][ T8342] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.182315][ T8339] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.210251][ T8349] loop0: detected capacity change from 0 to 2048
[  784.221117][ T8349] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  784.308972][ T8361] loop1: detected capacity change from 0 to 2048
executing program
[  784.365281][ T8361] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.403976][ T8363] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  784.418401][ T8366] loop2: detected capacity change from 0 to 2048
[  784.432037][ T8366] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.453985][ T8363] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  784.476035][ T8367] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  784.553539][ T8367] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.586937][ T8369] loop5: detected capacity change from 0 to 2048
[  784.619944][ T8369] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.651396][ T8375] loop0: detected capacity change from 0 to 2048
[  784.685370][ T8375] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  784.740904][ T8380] loop1: detected capacity change from 0 to 2048
[  784.751660][ T8380] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  784.787999][ T8388] loop3: detected capacity change from 0 to 2048
[  784.790882][ T8382] loop2: detected capacity change from 0 to 2048
[  784.813207][ T8390] loop4: detected capacity change from 0 to 2048
[  784.819996][ T8388] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  784.833482][ T8382] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.834832][ T8390] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  784.943180][ T8393] loop5: detected capacity change from 0 to 2048
[  784.957321][ T8397] loop0: detected capacity change from 0 to 2048
[  784.976598][ T8397] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  784.989221][ T8393] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  784.997909][ T8405] loop1: detected capacity change from 0 to 2048
[  785.012703][ T8405] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  785.116572][ T8417] loop3: detected capacity change from 0 to 2048
[  785.131687][ T8417] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.155099][ T8409] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  785.171737][ T8409] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.200546][ T8416] loop4: detected capacity change from 0 to 2048
[  785.206330][ T8419] loop0: detected capacity change from 0 to 2048
[  785.219764][ T8419] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.240720][ T8416] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.242436][ T8427] loop1: detected capacity change from 0 to 2048
[  785.261069][ T8427] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.310664][ T8422] loop5: detected capacity change from 0 to 2048
[  785.329923][ T8422] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  785.482422][ T8444] loop4: detected capacity change from 0 to 2048
[  785.502642][ T8444] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.522038][ T8437] loop2: detected capacity change from 0 to 2048
[  785.528850][ T8445] loop5: detected capacity change from 0 to 2048
[  785.549942][ T8445] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.551531][ T8440] loop3: detected capacity change from 0 to 2048
[  785.567365][ T8447] loop1: detected capacity change from 0 to 2048
[  785.569301][ T8442] loop0: detected capacity change from 0 to 2048
[  785.581899][ T8437] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.594928][ T8447] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.607539][ T8442] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.624675][ T8440] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  785.778929][ T8465] loop4: detected capacity change from 0 to 2048
[  785.789645][ T8465] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.861726][ T8468] loop2: detected capacity change from 0 to 2048
[  785.864003][ T8467] loop0: detected capacity change from 0 to 2048
[  785.888625][ T8472] loop3: detected capacity change from 0 to 2048
[  785.898642][ T8472] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.902721][ T8469] loop5: detected capacity change from 0 to 2048
[  785.916890][ T8468] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.925925][ T8470] loop1: detected capacity change from 0 to 2048
[  785.932607][ T8467] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  785.948866][ T8470] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  785.961293][ T8469] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  786.049468][ T8480] loop4: detected capacity change from 0 to 2048
[  786.073379][ T8480] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  786.250934][ T8492] loop2: detected capacity change from 0 to 2048
[  786.269068][ T8494] loop5: detected capacity change from 0 to 2048
[  786.289169][ T8494] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  786.326433][ T8492] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  786.368635][ T8496] loop3: detected capacity change from 0 to 2048
[  786.376299][ T8498] loop1: detected capacity change from 0 to 2048
[  786.381210][ T8501] loop0: detected capacity change from 0 to 2048
[  786.393543][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  786.393556][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  786.393654][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  786.415960][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  786.434160][ T8498] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  786.468167][ T8496] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  786.534937][ T8501] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  786.535122][ T8503] loop4: detected capacity change from 0 to 2048
[  786.564580][ T8503] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  786.654278][ T8520] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  786.721364][ T8520] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  786.871539][ T8525] loop3: detected capacity change from 0 to 2048
[  786.879974][ T8529] loop5: detected capacity change from 0 to 2048
[  786.891562][ T8525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  786.926225][ T8529] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  786.932043][ T8536] loop1: detected capacity change from 0 to 2048
[  786.947367][ T8536] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  786.948529][ T8530] loop0: detected capacity change from 0 to 2048
[  786.973031][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  786.977699][ T8533] loop2: detected capacity change from 0 to 2048
[  786.996463][ T8534] loop4: detected capacity change from 0 to 2048
[  787.013468][ T8533] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  787.045538][ T8534] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  787.063495][ T8530] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  787.217113][ T8552] loop3: detected capacity change from 0 to 2048
[  787.227240][ T8552] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  787.313589][ T8550] loop1: detected capacity change from 0 to 2048
[  787.314981][ T8558] loop5: detected capacity change from 0 to 2048
[  787.338814][ T8550] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  787.358440][ T5150] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  787.397974][ T8561] loop4: detected capacity change from 0 to 2048
[  787.409916][ T8558] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  787.439116][ T8564] loop2: detected capacity change from 0 to 2048
[  787.440917][ T8561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  787.464420][ T5139] Buffer I/O error on dev loop2, logical block 0, async page read
[  787.514504][ T8564] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  787.559659][ T8569] loop3: detected capacity change from 0 to 2048
[  787.559727][ T8565] loop0: detected capacity change from 0 to 2048
[  787.574849][ T8569] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  787.640692][ T8565] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  787.688741][ T8579] loop1: detected capacity change from 0 to 2048
[  787.700125][ T8579] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  787.809626][ T8587] loop3: detected capacity change from 0 to 2048
[  787.829790][ T8587] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  787.905216][ T8589] loop4: detected capacity change from 0 to 2048
[  787.935585][ T8589] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  787.987072][ T8590] loop2: detected capacity change from 0 to 2048
[  788.003499][ T8592] loop5: detected capacity change from 0 to 2048
[  788.041900][ T8593] loop1: detected capacity change from 0 to 2048
[  788.050876][ T5150] blk_print_req_error: 8 callbacks suppressed
[  788.050896][ T5150] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  788.085159][ T8590] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.100538][ T8595] loop0: detected capacity change from 0 to 2048
[  788.111075][ T8593] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.123402][ T8595] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.169663][ T8599] loop3: detected capacity change from 0 to 2048
[  788.182963][ T8592] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.199307][ T8599] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  788.356665][ T8614] loop0: detected capacity change from 0 to 2048
[  788.366897][ T8614] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.395187][ T8616] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  788.427798][ T8616] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.535484][ T8617] loop4: detected capacity change from 0 to 2048
[  788.583856][ T8621] loop1: detected capacity change from 0 to 2048
[  788.597959][ T8623] loop2: detected capacity change from 0 to 2048
[  788.598442][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  788.604726][ T8617] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.614097][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  788.638279][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  788.646638][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  788.661012][ T8622] loop3: detected capacity change from 0 to 2048
[  788.664207][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  788.676093][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
executing program
[  788.686010][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  788.696284][ T8623] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.715590][ T8621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.729014][ T8622] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.732417][ T8630] loop0: detected capacity change from 0 to 2048
[  788.762037][ T8631] loop5: detected capacity change from 0 to 2048
[  788.767243][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  788.778306][ T8631] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  788.789572][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  788.789612][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  788.789706][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  788.789738][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  788.789811][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  788.789898][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  788.857719][ T8630] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  788.950700][ T8642] loop1: detected capacity change from 0 to 2048
[  788.967052][ T8642] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  789.137666][ T8650] loop3: detected capacity change from 0 to 2048
[  789.151700][ T8650] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.162324][ T8651] loop4: detected capacity change from 0 to 2048
executing program
[  789.213426][ T8657] loop0: detected capacity change from 0 to 2048
[  789.222570][ T8657] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.245181][ T8651] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.271569][ T8663] loop1: detected capacity change from 0 to 2048
[  789.283492][ T8663] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  789.384392][ T8653] loop2: detected capacity change from 0 to 2048
[  789.397714][ T8659] loop5: detected capacity change from 0 to 2048
[  789.407250][ T8671] loop3: detected capacity change from 0 to 2048
[  789.415906][ T8659] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.430492][ T8653] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.442961][ T8671] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  789.596484][ T8680] loop1: detected capacity change from 0 to 2048
[  789.616793][ T8680] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.639629][ T8682] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  789.667872][ T8682] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.699191][ T8686] loop4: detected capacity change from 0 to 2048
[  789.757444][ T8682] EXT4-fs mount: 784 callbacks suppressed
[  789.757464][ T8682] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  789.777126][ T8685] loop0: detected capacity change from 0 to 2048
[  789.784132][ T8686] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.805671][ T8688] loop5: detected capacity change from 0 to 2048
[  789.827233][ T8685] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.850410][ T8688] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.859649][ T8693] loop2: detected capacity change from 0 to 2048
[  789.873021][ T8694] loop1: detected capacity change from 0 to 2048
[  789.884483][ T8686] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  789.913048][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  789.922892][ T8693] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.937486][ T8694] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  789.938459][ T8685] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  789.986467][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.023618][ T8688] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  790.039884][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.052661][ T8706] loop3: detected capacity change from 0 to 2048
[  790.057912][ T8694] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.074957][ T8693] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.086884][ T8709] loop4: detected capacity change from 0 to 2048
[  790.101295][ T8706] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  790.158570][ T8709] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.190310][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.202517][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  790.242424][ T8709] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.256362][ T8706] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.269489][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  790.315403][ T8717] loop5: detected capacity change from 0 to 2048
[  790.327541][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.342442][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.364408][ T8717] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  790.416254][ T8719] loop2: detected capacity change from 0 to 2048
[  790.430871][ T8719] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.456442][ T8722] loop0: detected capacity change from 0 to 2048
[  790.483048][ T8717] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.497844][ T8722] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.519894][ T8727] loop3: detected capacity change from 0 to 2048
[  790.538338][ T8723] loop1: detected capacity change from 0 to 2048
[  790.552054][ T8723] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.556852][ T8726] loop4: detected capacity change from 0 to 2048
[  790.565049][ T8727] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.584338][ T8726] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.597919][ T8719] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.637161][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.652257][ T8722] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.655341][ T8727] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.666430][ T8723] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  790.730395][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.745173][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  790.765663][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  790.775603][ T8726] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.783238][ T8741] loop5: detected capacity change from 0 to 2048
[  790.796028][ T8741] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.814546][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  790.870011][ T8745] loop2: detected capacity change from 0 to 2048
[  790.871180][ T8741] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  790.889203][ T8745] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  790.910603][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  790.979354][ T8745] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.003148][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.013696][ T8748] loop3: detected capacity change from 0 to 2048
executing program
[  791.039665][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.041578][ T8753] loop1: detected capacity change from 0 to 2048
[  791.064978][ T8753] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.067273][ T8749] loop0: detected capacity change from 0 to 2048
executing program
[  791.081742][ T8748] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.095624][ T8749] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.108908][ T8755] loop4: detected capacity change from 0 to 2048
[  791.118074][ T8755] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  791.148851][ T8755] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.170308][ T8753] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.205670][ T8749] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.227773][ T8757] loop5: detected capacity change from 0 to 2048
[  791.241091][ T8748] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.256662][ T8757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.271862][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.295947][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  791.333229][ T8763] loop2: detected capacity change from 0 to 2048
[  791.341423][ T8763] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.356182][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  791.387640][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.402582][ T8757] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.407628][ T8763] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.484567][ T8773] loop4: detected capacity change from 0 to 2048
[  791.495778][ T8773] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.497733][ T8774] loop1: detected capacity change from 0 to 2048
[  791.515891][ T8774] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  791.537189][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.546933][ T8777] loop0: detected capacity change from 0 to 2048
executing program
[  791.578119][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.603631][ T8777] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.638966][ T8773] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.660268][ T8774] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.678043][ T8779] loop3: detected capacity change from 0 to 2048
[  791.691651][ T8779] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.701892][ T8785] loop2: detected capacity change from 0 to 2048
[  791.716918][ T8785] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  791.755126][ T8777] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.784664][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.805960][ T5125] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.813094][ T8791] loop5: detected capacity change from 0 to 2048
[  791.823733][ T8791] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  791.826161][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  791.871863][ T8785] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  791.872190][ T8779] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  791.918193][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  791.927565][ T8797] loop1: detected capacity change from 0 to 2048
[  791.938487][ T8797] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  791.963632][ T8791] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  792.004637][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  792.016193][ T8799] loop0: detected capacity change from 0 to 2048
[  792.032040][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  792.042516][ T8799] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.043204][ T8801] loop4: detected capacity change from 0 to 2048
[  792.078322][ T8797] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  792.091475][ T8801] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  792.147744][ T8804] loop2: detected capacity change from 0 to 2048
[  792.155297][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  792.165466][ T8799] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  792.180786][ T8811] loop3: detected capacity change from 0 to 2048
executing program
[  792.188069][ T8801] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  792.202572][ T5156] buffer_io_error: 54 callbacks suppressed
[  792.202588][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  792.218366][ T8811] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.234581][ T8804] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  792.269240][ T8813] loop5: detected capacity change from 0 to 2048
[  792.277484][ T8804] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  792.291624][ T8813] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.302353][ T8817] loop1: detected capacity change from 0 to 2048
[  792.312074][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  792.322852][ T8817] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  792.359040][ T8811] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  792.366731][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
[  792.428517][ T8824] loop0: detected capacity change from 0 to 2048
[  792.456626][ T8824] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  792.562120][ T8832] loop3: detected capacity change from 0 to 2048
[  792.563326][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
[  792.603303][ T8832] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.605135][ T8828] loop4: detected capacity change from 0 to 2048
[  792.627582][ T8831] loop5: detected capacity change from 0 to 2048
[  792.640305][ T8835] loop1: detected capacity change from 0 to 2048
[  792.649589][ T8831] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.652476][ T8837] loop2: detected capacity change from 0 to 2048
[  792.669918][ T8828] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.682539][ T8835] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  792.713930][ T8837] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.723240][ T8839] loop0: detected capacity change from 0 to 2048
[  792.783348][ T8850] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  792.828583][ T8850] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.841988][ T8839] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  792.896302][ T8855] loop5: detected capacity change from 0 to 2048
[  792.900863][ T8853] loop4: detected capacity change from 0 to 2048
[  792.913718][ T8855] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.933621][ T8860] loop1: detected capacity change from 0 to 2048
executing program
[  792.945411][ T8860] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  792.957709][ T8853] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  793.003323][ T8863] loop2: detected capacity change from 0 to 2048
[  793.036533][ T8863] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  793.050802][ T8869] loop3: detected capacity change from 0 to 2048
[  793.065180][ T8869] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  793.141543][ T8878] loop4: detected capacity change from 0 to 2048
[  793.166038][ T8878] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  793.178863][ T8880] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  793.189262][ T8880] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  793.275584][ T8884] loop5: detected capacity change from 0 to 2048
[  793.276605][ T8873] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  793.319099][ T8873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  793.331628][ T8884] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  793.362094][ T8887] loop2: detected capacity change from 0 to 2048
[  793.398228][ T8887] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  793.426546][ T8893] loop4: detected capacity change from 0 to 2048
[  793.445542][ T5146] blk_print_req_error: 65 callbacks suppressed
[  793.445563][ T5146] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  793.451693][ T8892] loop3: detected capacity change from 0 to 2048
[  793.454299][ T5146] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  793.500661][ T8892] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  793.514913][ T5146] Buffer I/O error on dev loop4, logical block 0, async page read
[  793.523980][ T8897] loop1: detected capacity change from 0 to 2048
[  793.532064][ T8893] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  793.588889][ T8904] loop0: detected capacity change from 0 to 2048
[  793.629033][ T8897] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  793.648528][ T8904] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  793.850043][ T8913] loop3: detected capacity change from 0 to 2048
[  793.866769][ T8913] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  793.885220][ T8915] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
executing program
[  793.962007][ T8915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  794.098964][ T8927] loop1: detected capacity change from 0 to 2048
[  794.134439][ T8926] loop4: detected capacity change from 0 to 2048
[  794.140183][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  794.144906][ T8925] loop0: detected capacity change from 0 to 2048
[  794.162566][ T8929] loop2: detected capacity change from 0 to 2048
[  794.175871][ T8927] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.178503][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  794.204286][ T5150] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  794.228205][ T8926] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.241297][ T8929] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  794.258198][ T8925] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.294643][ T8937] loop5: detected capacity change from 0 to 2048
[  794.307868][ T8933] loop3: detected capacity change from 0 to 2048
[  794.356277][ T8933] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.359655][ T8937] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  794.557041][ T8953] loop2: detected capacity change from 0 to 2048
[  794.566467][ T8953] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  794.699359][ T8957] loop1: detected capacity change from 0 to 2048
[  794.743998][ T8956] loop4: detected capacity change from 0 to 2048
[  794.772101][ T8957] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.773563][ T8955] loop0: detected capacity change from 0 to 2048
[  794.803219][ T8962] loop5: detected capacity change from 0 to 2048
[  794.811731][ T8963] loop3: detected capacity change from 0 to 2048
[  794.818637][ T5150] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  794.822173][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  794.843398][ T8956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.850250][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  794.874426][ T8963] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.874929][ T8965] loop2: detected capacity change from 0 to 2048
[  794.892471][ T8955] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.907047][ T8962] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  794.948804][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  795.027376][ T8965] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  795.281652][ T8981] loop4: detected capacity change from 0 to 2048
[  795.305944][ T5156] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  795.320881][ T8984] loop3: detected capacity change from 0 to 2048
[  795.329170][ T8985] loop5: detected capacity change from 0 to 2048
[  795.339096][ T8986] loop0: detected capacity change from 0 to 2048
[  795.344674][ T8989] loop1: detected capacity change from 0 to 2048
[  795.347636][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  795.354615][ T8990] loop2: detected capacity change from 0 to 2048
[  795.369888][ T8984] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.382006][ T8989] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.382140][ T8985] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.396126][ T8986] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.412058][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  795.435767][ T8981] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.447891][ T8990] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  795.608795][ T9004] loop3: detected capacity change from 0 to 2048
[  795.626872][ T9004] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.644995][ T9007] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  795.655176][ T9007] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  795.712440][ T9009] loop1: detected capacity change from 0 to 2048
[  795.720716][ T9012] loop0: detected capacity change from 0 to 2048
[  795.730134][ T9012] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  795.763041][ T9016] loop2: detected capacity change from 0 to 2048
[  795.779616][ T9016] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.792982][ T9009] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  795.827889][ T9019] loop4: detected capacity change from 0 to 2048
[  795.865525][ T9019] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  795.885070][ T9027] loop5: detected capacity change from 0 to 2048
[  795.899127][ T9027] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  796.012239][ T9029] loop3: detected capacity change from 0 to 2048
[  796.028395][ T9029] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.043227][ T9037] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  796.058821][ T9037] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.072877][ T9038] loop2: detected capacity change from 0 to 2048
executing program
[  796.112832][ T9040] loop4: detected capacity change from 0 to 2048
[  796.133868][ T9040] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.134189][ T9038] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.151664][ T9043] loop0: detected capacity change from 0 to 2048
executing program
[  796.189062][ T9043] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.200365][ T9047] loop5: detected capacity change from 0 to 2048
[  796.217693][ T9047] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  796.262540][ T9052] loop3: detected capacity change from 0 to 2048
[  796.271163][ T9052] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  796.321011][ T9058] loop2: detected capacity change from 0 to 2048
[  796.334850][ T9058] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.347834][ T9061] loop4: detected capacity change from 0 to 2048
[  796.356688][ T9061] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  796.410251][ T9066] loop1: detected capacity change from 0 to 2048
[  796.445727][ T9066] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  796.530150][ T9079] loop4: detected capacity change from 0 to 2048
[  796.551480][ T9079] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.569711][ T9073] loop0: detected capacity change from 0 to 2048
[  796.589222][ T9075] loop3: detected capacity change from 0 to 2048
[  796.599875][ T9082] loop2: detected capacity change from 0 to 2048
[  796.600223][ T9081] loop5: detected capacity change from 0 to 2048
[  796.614253][ T9073] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.631592][ T9075] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.651827][ T9082] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.665819][ T9084] loop1: detected capacity change from 0 to 2048
executing program
[  796.684815][ T9081] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.711966][ T9084] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.763108][ T9090] loop4: detected capacity change from 0 to 2048
[  796.777021][ T9090] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  796.867387][ T9103] loop3: detected capacity change from 0 to 2048
[  796.883396][ T9103] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.955759][ T9112] loop1: detected capacity change from 0 to 2048
[  796.966312][ T9112] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  796.984231][ T9105] loop2: detected capacity change from 0 to 2048
[  796.990958][ T9108] loop5: detected capacity change from 0 to 2048
executing program
[  796.997565][ T9105] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.019268][ T9108] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.050111][ T9107] loop0: detected capacity change from 0 to 2048
executing program
[  797.097378][ T9107] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.097776][ T9113] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  797.194992][ T9118] loop3: detected capacity change from 0 to 2048
[  797.207280][ T9113] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.218399][ T9124] loop1: detected capacity change from 0 to 2048
[  797.225544][ T9118] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  797.257795][ T9124] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.260509][ T9130] loop5: detected capacity change from 0 to 2048
[  797.277204][ T9126] loop2: detected capacity change from 0 to 2048
[  797.288418][ T9126] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  797.306735][ T9130] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  797.382882][ T9142] loop4: detected capacity change from 0 to 2048
[  797.392125][ T9142] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  797.446036][ T9133] loop0: detected capacity change from 0 to 2048
[  797.474914][ T9133] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  797.540660][ T9151] loop3: detected capacity change from 0 to 2048
[  797.549269][ T9145] loop2: detected capacity change from 0 to 2048
[  797.560576][ T9151] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  797.602177][ T9145] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.610752][ T9153] loop4: detected capacity change from 0 to 2048
[  797.622047][ T9154] loop1: detected capacity change from 0 to 2048
[  797.661302][ T9154] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.666019][ T9158] loop5: detected capacity change from 0 to 2048
[  797.682663][ T9153] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.684549][ T9158] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  797.726577][ T9161] loop0: detected capacity change from 0 to 2048
executing program
[  797.770585][ T9171] loop3: detected capacity change from 0 to 2048
[  797.786788][ T9171] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.808411][ T9161] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  797.938022][ T9178] loop4: detected capacity change from 0 to 2048
[  797.945454][ T9175] loop5: detected capacity change from 0 to 2048
[  797.955748][ T9178] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  797.967789][ T9175] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.011189][ T9181] loop2: detected capacity change from 0 to 2048
[  798.047432][ T9187] loop3: detected capacity change from 0 to 2048
executing program
[  798.056781][ T9187] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.069372][ T9184] loop1: detected capacity change from 0 to 2048
[  798.074505][ T9181] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.096922][ T9184] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  798.110326][ T9190] loop0: detected capacity change from 0 to 2048
[  798.133197][ T9190] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  798.208594][ T9198] loop4: detected capacity change from 0 to 2048
[  798.232528][ T9204] loop3: detected capacity change from 0 to 2048
[  798.235908][ T9195] loop5: detected capacity change from 0 to 2048
[  798.253934][ T9204] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.259704][ T9202] loop2: detected capacity change from 0 to 2048
[  798.272959][ T9198] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.285492][ T9202] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  798.330934][ T9195] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  798.451559][ T9218] loop1: detected capacity change from 0 to 2048
[  798.485591][ T9218] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.511118][ T9221] loop3: detected capacity change from 0 to 2048
[  798.511592][ T9217] loop0: detected capacity change from 0 to 2048
[  798.542636][ T9217] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.559387][ T9221] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.561657][ T9228] loop5: detected capacity change from 0 to 2048
[  798.580492][ T9228] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.597153][ T9225] loop4: detected capacity change from 0 to 2048
[  798.601355][ T9226] loop2: detected capacity change from 0 to 2048
[  798.613432][ T9225] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.642333][ T9226] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  798.905908][ T9243] loop5: detected capacity change from 0 to 2048
[  798.938079][ T9243] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.939779][ T9248] loop0: detected capacity change from 0 to 2048
[  798.952496][ T9249] loop1: detected capacity change from 0 to 2048
[  798.971899][ T9249] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  798.978311][ T5156] blk_print_req_error: 4 callbacks suppressed
[  798.978330][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  798.999023][ T9252] loop2: detected capacity change from 0 to 2048
[  799.003269][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  799.042599][ T9253] loop4: detected capacity change from 0 to 2048
[  799.066331][ T9255] loop3: detected capacity change from 0 to 2048
[  799.070699][ T5175] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  799.084706][ T9252] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.107476][ T9255] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.169668][ T9253] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.209685][ T9248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  799.423041][ T9272] loop5: detected capacity change from 0 to 2048
[  799.469999][ T9272] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.539476][ T9275] loop3: detected capacity change from 0 to 2048
[  799.560914][ T9276] loop0: detected capacity change from 0 to 2048
[  799.567107][ T5139] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  799.601021][ T9278] loop4: detected capacity change from 0 to 2048
[  799.623155][ T5175] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  799.623543][ T9277] loop1: detected capacity change from 0 to 2048
[  799.643438][ T9275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.658868][ T9276] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.667150][ T9279] loop2: detected capacity change from 0 to 2048
[  799.678747][ T9279] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.699171][ T9278] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  799.716182][ T9277] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  799.846224][ T9293] loop5: detected capacity change from 0 to 2048
[  799.863462][ T9293] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  800.080463][ T9299] loop1: detected capacity change from 0 to 2048
[  800.089683][ T9301] loop4: detected capacity change from 0 to 2048
[  800.093087][ T9300] loop2: detected capacity change from 0 to 2048
[  800.121069][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  800.135222][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  800.146132][ T9302] loop0: detected capacity change from 0 to 2048
[  800.154218][ T5150] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  800.161874][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  800.166359][ T9304] loop3: detected capacity change from 0 to 2048
[  800.188462][ T9300] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.201386][ T9299] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.216455][ T9302] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.228104][ T9301] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.239710][ T9304] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  800.587916][ T9325] loop1: detected capacity change from 0 to 2048
[  800.597239][ T9324] loop4: detected capacity change from 0 to 2048
[  800.616864][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  800.637522][ T9321] loop5: detected capacity change from 0 to 2048
[  800.642816][ T9324] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.654925][ T9320] loop0: detected capacity change from 0 to 2048
[  800.661573][ T9327] loop2: detected capacity change from 0 to 2048
[  800.670942][ T5150] Buffer I/O error on dev loop5, logical block 0, async page read
[  800.673485][ T9326] loop3: detected capacity change from 0 to 2048
[  800.682063][ T5150] Buffer I/O error on dev loop5, logical block 0, async page read
[  800.689723][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  800.702008][ T9327] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.714943][ T9325] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.735679][ T9320] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.750902][ T9321] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  800.770900][ T9326] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  800.979581][ T9345] loop1: detected capacity change from 0 to 2048
[  800.992563][ T9345] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  801.036392][ T9341] loop4: detected capacity change from 0 to 2048
[  801.079525][ T9341] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.086229][ T9348] loop2: detected capacity change from 0 to 2048
[  801.096482][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  801.101087][ T9344] loop5: detected capacity change from 0 to 2048
[  801.123744][ T5150] Buffer I/O error on dev loop5, logical block 0, async page read
[  801.149955][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  801.174188][ T9344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.177026][ T9351] loop0: detected capacity change from 0 to 2048
[  801.193873][ T9350] loop3: detected capacity change from 0 to 2048
executing program
[  801.200435][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  801.216578][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  801.224885][ T9351] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.227550][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  801.260906][ T9350] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.284911][ T9348] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  801.492978][ T9370] loop4: detected capacity change from 0 to 2048
[  801.494007][ T9372] loop5: detected capacity change from 0 to 2048
[  801.528089][ T9370] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  801.528823][ T9374] loop3: detected capacity change from 0 to 2048
[  801.548023][ T9368] loop1: detected capacity change from 0 to 2048
[  801.559403][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  801.581905][ T9368] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.610997][ T9372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.646296][ T9377] loop0: detected capacity change from 0 to 2048
executing program
[  801.655246][ T9378] loop2: detected capacity change from 0 to 2048
[  801.680476][ T9374] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.747101][ T9377] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.768397][ T9378] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.780500][ T9386] loop4: detected capacity change from 0 to 2048
executing program
[  801.795416][ T9386] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  801.833940][ T9391] loop1: detected capacity change from 0 to 2048
executing program
[  801.857150][ T9391] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  801.970949][ T9399] loop5: detected capacity change from 0 to 2048
[  801.992643][ T9399] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.036046][ T9401] loop3: detected capacity change from 0 to 2048
[  802.060659][ T9401] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.102170][ T9408] loop0: detected capacity change from 0 to 2048
[  802.110561][ T9403] loop2: detected capacity change from 0 to 2048
[  802.119134][ T9408] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.159751][ T9403] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  802.296328][ T9422] loop1: detected capacity change from 0 to 2048
[  802.306621][ T9422] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.391699][ T9423] loop3: detected capacity change from 0 to 2048
[  802.408683][ T9423] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  802.420442][ T9425] loop5: detected capacity change from 0 to 2048
[  802.439977][ T9425] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.490507][ T9431] loop0: detected capacity change from 0 to 2048
[  802.503354][ T9431] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.542468][ T9427] loop2: detected capacity change from 0 to 2048
[  802.607566][ T9427] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.655865][ T9435] loop1: detected capacity change from 0 to 2048
[  802.675561][ T9435] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  802.724445][ T9440] loop3: detected capacity change from 0 to 2048
[  802.761849][ T9447] loop5: detected capacity change from 0 to 2048
executing program
[  802.771807][ T9447] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  802.782842][ T9440] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  802.858424][ T9451] loop0: detected capacity change from 0 to 2048
[  802.883923][ T9451] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  803.141530][ T9463] loop2: detected capacity change from 0 to 2048
[  803.149983][ T9464] loop0: detected capacity change from 0 to 2048
[  803.161500][ T9465] loop1: detected capacity change from 0 to 2048
[  803.194343][ T9463] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  803.209443][ T9464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  803.229450][ T9465] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  803.238850][ T9467] loop5: detected capacity change from 0 to 2048
[  803.272303][ T9469] loop3: detected capacity change from 0 to 2048
executing program
[  803.376804][ T9467] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  803.389159][ T9469] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  803.391566][ T9477] loop0: detected capacity change from 0 to 2048
[  803.415679][ T9477] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  803.504663][ T9483] loop2: detected capacity change from 0 to 2048
[  803.524764][ T9483] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  803.631362][ T9489] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  803.690454][ T9489] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  803.716369][ T9496] loop5: detected capacity change from 0 to 2048
[  803.730237][ T9496] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  803.916468][ T9504] loop0: detected capacity change from 0 to 2048
[  803.933717][ T9506] loop2: detected capacity change from 0 to 2048
[  803.958741][ T9504] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.000954][ T9506] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.010589][ T9507] loop3: detected capacity change from 0 to 2048
[  804.051708][ T5146] blk_print_req_error: 111 callbacks suppressed
[  804.051727][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  804.087106][ T9510] loop5: detected capacity change from 0 to 2048
[  804.098290][ T9511] loop1: detected capacity change from 0 to 2048
[  804.110782][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  804.113647][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  804.131845][ T9511] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.145767][ T9507] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.199866][ T9510] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  804.442066][ T9524] loop0: detected capacity change from 0 to 2048
[  804.474908][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  804.477290][ T9526] loop2: detected capacity change from 0 to 2048
[  804.491355][ T9528] loop1: detected capacity change from 0 to 2048
[  804.501697][ T9529] loop3: detected capacity change from 0 to 2048
[  804.516958][ T9531] loop5: detected capacity change from 0 to 2048
[  804.525001][ T9526] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.537432][ T9528] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.538111][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  804.548945][ T9524] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.577452][ T9529] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.590572][ T9531] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  804.747147][ T9545] loop0: detected capacity change from 0 to 2048
[  804.755728][ T9545] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  804.811250][ T9543] loop2: detected capacity change from 0 to 2048
[  804.821371][ T9543] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  804.875663][ T9553] loop5: detected capacity change from 0 to 2048
[  804.884064][ T9552] loop3: detected capacity change from 0 to 2048
[  804.894595][ T9547] loop1: detected capacity change from 0 to 2048
[  804.904618][ T9552] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.916378][ T9553] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  804.937389][ T9547] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  805.003602][ T9557] loop0: detected capacity change from 0 to 2048
[  805.037375][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  805.106898][ T9557] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.158459][ T9560] loop2: detected capacity change from 0 to 2048
[  805.165003][ T9567] loop1: detected capacity change from 0 to 2048
[  805.176383][ T9567] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  805.207017][ T9560] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  805.259013][ T9570] loop5: detected capacity change from 0 to 2048
[  805.280173][ T9570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.352354][ T9575] loop3: detected capacity change from 0 to 2048
[  805.361904][ T9575] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  805.399106][ T9578] loop0: detected capacity change from 0 to 2048
[  805.409943][ T9578] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  805.506782][ T9587] loop5: detected capacity change from 0 to 2048
[  805.543179][ T9587] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  805.581360][ T9590] loop2: detected capacity change from 0 to 2048
[  805.597045][ T9590] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.597174][ T9583] loop1: detected capacity change from 0 to 2048
[  805.677045][ T9583] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.708289][ T9594] loop0: detected capacity change from 0 to 2048
executing program
[  805.726975][ T9594] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.728598][ T9598] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  805.839692][ T9598] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.842944][ T9602] loop5: detected capacity change from 0 to 2048
[  805.860153][ T9602] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.885700][ T9609] loop1: detected capacity change from 0 to 2048
[  805.894625][ T9609] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  805.925414][ T9607] loop2: detected capacity change from 0 to 2048
executing program
[  805.935463][ T9607] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  806.102402][ T9623] loop3: detected capacity change from 0 to 2048
[  806.114559][ T9618] loop1: detected capacity change from 0 to 2048
[  806.122406][ T9623] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.136297][ T9625] loop5: detected capacity change from 0 to 2048
[  806.147966][ T9625] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.160123][ T9618] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.186954][ T9621] loop0: detected capacity change from 0 to 2048
executing program
[  806.196983][ T9621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  806.356677][ T9633] loop2: detected capacity change from 0 to 2048
[  806.375853][ T9633] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.388449][ T9640] loop1: detected capacity change from 0 to 2048
executing program
[  806.398099][ T9640] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.419555][ T9638] loop3: detected capacity change from 0 to 2048
[  806.425124][ T9641] loop5: detected capacity change from 0 to 2048
[  806.438332][ T9641] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  806.459256][ T9638] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.477473][ T9643] loop0: detected capacity change from 0 to 2048
[  806.487203][ T9643] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  806.590170][ T9655] loop1: detected capacity change from 0 to 2048
[  806.620924][ T9655] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.663000][ T9662] loop0: detected capacity change from 0 to 2048
[  806.685385][ T9662] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.699252][ T9658] loop2: detected capacity change from 0 to 2048
executing program
[  806.709552][ T9660] loop3: detected capacity change from 0 to 2048
[  806.716674][ T9658] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.730838][ T9660] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  806.741026][ T9663] loop5: detected capacity change from 0 to 2048
[  806.749967][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  806.771030][ T9663] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  806.855379][ T9669] loop1: detected capacity change from 0 to 2048
[  806.889482][ T9669] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  806.977099][ T9679] loop0: detected capacity change from 0 to 2048
[  807.001666][ T9680] loop2: detected capacity change from 0 to 2048
[  807.006144][ T9681] loop3: detected capacity change from 0 to 2048
executing program
[  807.016344][ T9679] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.028471][ T9681] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.049711][ T9680] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.063700][ T9684] loop5: detected capacity change from 0 to 2048
[  807.108537][ T9684] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.126267][ T9687] loop1: detected capacity change from 0 to 2048
[  807.161550][ T9687] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  807.246140][ T9697] loop3: detected capacity change from 0 to 2048
[  807.277245][ T9697] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.289452][ T9699] loop0: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  807.323029][ T9699] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  807.457729][ T9704] loop5: detected capacity change from 0 to 2048
[  807.466666][ T9705] loop2: detected capacity change from 0 to 2048
[  807.478863][ T9707] loop1: detected capacity change from 0 to 2048
[  807.489196][ T9707] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.518333][ T9713] loop3: detected capacity change from 0 to 2048
[  807.525985][ T9705] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.537543][ T9704] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.549768][ T9713] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  807.639098][ T9723] loop0: detected capacity change from 0 to 2048
[  807.649112][ T9723] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  807.816348][ T9725] loop3: detected capacity change from 0 to 2048
[  807.846598][ T9731] loop2: detected capacity change from 0 to 2048
executing program
[  807.862970][ T9731] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.906756][ T9735] loop0: detected capacity change from 0 to 2048
[  807.915417][ T9725] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.928888][ T9735] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.933466][ T9732] loop5: detected capacity change from 0 to 2048
[  807.949799][ T9733] loop1: detected capacity change from 0 to 2048
[  807.956761][ T9732] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  807.972461][ T9733] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  808.107456][ T9747] loop2: detected capacity change from 0 to 2048
[  808.129551][ T9747] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.137950][ T9749] loop3: detected capacity change from 0 to 2048
[  808.151153][ T9749] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  808.353877][ T9755] loop1: detected capacity change from 0 to 2048
[  808.372501][ T9757] loop5: detected capacity change from 0 to 2048
[  808.398892][ T9760] loop3: detected capacity change from 0 to 2048
[  808.403924][ T9755] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.410693][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  808.429221][ T9762] loop0: detected capacity change from 0 to 2048
[  808.439576][ T9763] loop2: detected capacity change from 0 to 2048
[  808.441684][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  808.449869][ T9762] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.469358][ T9763] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.482038][ T9757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.497770][ T9760] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  808.653594][ T9777] loop3: detected capacity change from 0 to 2048
[  808.667059][ T9777] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.732913][ T9783] loop0: detected capacity change from 0 to 2048
[  808.739546][ T9780] loop2: detected capacity change from 0 to 2048
[  808.754869][ T9781] loop5: detected capacity change from 0 to 2048
[  808.755286][ T9780] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  808.773216][ T9781] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.783014][ T9778] loop1: detected capacity change from 0 to 2048
[  808.798992][ T9778] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  808.815173][ T9783] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  808.848431][ T9787] loop3: detected capacity change from 0 to 2048
[  808.854113][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  808.884504][ T9787] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  808.990875][ T9803] loop0: detected capacity change from 0 to 2048
[  809.012663][ T9803] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  809.042612][ T9805] loop1: detected capacity change from 0 to 2048
[  809.060444][ T9805] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.092369][ T9802] loop2: detected capacity change from 0 to 2048
[  809.094650][ T9807] loop5: detected capacity change from 0 to 2048
[  809.115794][ T9809] loop3: detected capacity change from 0 to 2048
[  809.123701][ T9802] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.137051][ T9807] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.148829][ T9809] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  809.397327][ T9821] loop0: detected capacity change from 0 to 2048
[  809.425066][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  809.429296][ T9826] loop5: detected capacity change from 0 to 2048
[  809.456732][ T9828] loop1: detected capacity change from 0 to 2048
[  809.458602][ T9827] loop3: detected capacity change from 0 to 2048
[  809.465107][ T9829] loop2: detected capacity change from 0 to 2048
[  809.474361][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  809.477829][ T9821] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.492961][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  809.499946][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  809.518419][ T9826] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.550543][ T9828] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.569755][ T9829] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.583612][ T9827] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  809.752170][ T9840] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  809.802428][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  809.820264][ T9845] loop3: detected capacity change from 0 to 2048
[  809.840506][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  809.859029][ T9840] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.888283][ T9848] loop1: detected capacity change from 0 to 2048
[  809.895807][ T9845] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.918981][ T9847] loop2: detected capacity change from 0 to 2048
[  809.919782][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  809.943555][ T9849] loop5: detected capacity change from 0 to 2048
[  809.945820][ T9847] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  809.958749][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  810.000998][ T9849] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.016292][ T9848] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  810.112151][ T9859] loop0: detected capacity change from 0 to 2048
[  810.121865][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  810.178932][ T9858] loop3: detected capacity change from 0 to 2048
[  810.200457][ T9859] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.216352][ T9858] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  810.297436][ T9865] loop2: detected capacity change from 0 to 2048
[  810.371186][ T9865] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.379578][ T9875] loop0: detected capacity change from 0 to 2048
[  810.384681][ T9869] loop1: detected capacity change from 0 to 2048
[  810.395759][ T9875] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  810.417222][ T9873] loop5: detected capacity change from 0 to 2048
[  810.423503][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  810.437114][ T9869] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.450845][ T9873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.477773][ T9877] loop3: detected capacity change from 0 to 2048
[  810.482488][ T5205] buffer_io_error: 78 callbacks suppressed
[  810.482505][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  810.516252][ T9877] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  810.718470][ T9892] loop0: detected capacity change from 0 to 2048
[  810.733475][ T9892] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.750940][ T9893] loop2: detected capacity change from 0 to 2048
[  810.760611][ T9893] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.761491][ T9895] loop1: detected capacity change from 0 to 2048
[  810.779730][ T9894] loop5: detected capacity change from 0 to 2048
[  810.789339][ T9894] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.832636][ T9897] loop3: detected capacity change from 0 to 2048
[  810.835686][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  810.851127][ T9895] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  810.854283][ T9897] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  811.042239][ T9910] loop0: detected capacity change from 0 to 2048
[  811.061601][ T9910] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.070446][ T9911] loop2: detected capacity change from 0 to 2048
[  811.081105][ T9914] loop1: detected capacity change from 0 to 2048
[  811.090908][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  811.105964][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  811.120291][ T9914] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.120733][ T9915] loop5: detected capacity change from 0 to 2048
[  811.139576][ T9911] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.143321][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  811.153321][ T9917] loop3: detected capacity change from 0 to 2048
[  811.164051][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  811.196957][ T9915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.213051][ T9917] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  811.446326][ T9933] loop1: detected capacity change from 0 to 2048
[  811.475593][ T9933] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.475808][ T9931] loop0: detected capacity change from 0 to 2048
[  811.499821][ T9938] loop2: detected capacity change from 0 to 2048
[  811.500154][ T9937] loop3: detected capacity change from 0 to 2048
[  811.518695][ T9938] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.523145][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  811.534397][ T9939] loop5: detected capacity change from 0 to 2048
[  811.545312][ T9937] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.558040][ T9931] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.570234][ T9939] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  811.764290][ T9958] loop0: detected capacity change from 0 to 2048
[  811.774979][ T9959] loop5: detected capacity change from 0 to 2048
[  811.785839][ T9953] loop2: detected capacity change from 0 to 2048
[  811.797650][ T9958] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.810454][ T9959] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.817928][ T9956] loop3: detected capacity change from 0 to 2048
[  811.825829][ T9954] loop1: detected capacity change from 0 to 2048
[  811.838646][ T9953] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.839381][ T9954] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  811.863567][ T9956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  812.172169][ T9977] loop3: detected capacity change from 0 to 2048
[  812.179760][ T9976] loop0: detected capacity change from 0 to 2048
[  812.188374][ T9978] loop5: detected capacity change from 0 to 2048
[  812.193236][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  812.196770][ T9979] loop1: detected capacity change from 0 to 2048
[  812.213128][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  812.223555][ T9977] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.235513][ T9976] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.249623][ T9978] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.264035][ T9981] loop2: detected capacity change from 0 to 2048
[  812.275447][ T9981] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.287908][ T9979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  812.464311][ T9995] loop3: detected capacity change from 0 to 2048
[  812.472948][ T9995] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  812.605754][T10003] loop2: detected capacity change from 0 to 2048
[  812.632424][T10004] loop0: detected capacity change from 0 to 2048
[  812.654457][T10003] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.670589][ T9997] loop5: detected capacity change from 0 to 2048
[  812.677897][T10004] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.687537][T10005] loop1: detected capacity change from 0 to 2048
[  812.693383][T10007] loop3: detected capacity change from 0 to 2048
[  812.711341][ T9997] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.727895][T10007] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.745196][T10005] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  812.908508][T10022] loop2: detected capacity change from 0 to 2048
[  812.918048][T10022] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.978322][T10026] loop1: detected capacity change from 0 to 2048
[  812.982180][T10027] loop0: detected capacity change from 0 to 2048
[  812.992667][T10026] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  812.997011][T10024] loop3: detected capacity change from 0 to 2048
[  813.015325][T10027] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  813.026737][T10021] loop5: detected capacity change from 0 to 2048
[  813.033794][T10024] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.045369][T10021] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.074318][T10032] loop2: detected capacity change from 0 to 2048
[  813.089156][T10032] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  813.277779][T10046] loop5: detected capacity change from 0 to 2048
[  813.288842][T10046] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.331766][T10044] loop3: detected capacity change from 0 to 2048
[  813.391746][T10044] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.409061][T10050] loop0: detected capacity change from 0 to 2048
[  813.410802][T10049] loop1: detected capacity change from 0 to 2048
[  813.417809][T10052] loop2: detected capacity change from 0 to 2048
[  813.434294][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
executing program
[  813.484011][T10049] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.495929][T10052] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.510293][T10050] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  813.551666][T10058] loop5: detected capacity change from 0 to 2048
[  813.565900][T10058] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  813.801048][T10067] loop3: detected capacity change from 0 to 2048
[  813.849451][T10067] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.882928][T10077] loop5: detected capacity change from 0 to 2048
[  813.886028][T10075] loop2: detected capacity change from 0 to 2048
[  813.895449][T10078] loop0: detected capacity change from 0 to 2048
[  813.897713][T10076] loop1: detected capacity change from 0 to 2048
[  813.911919][T10077] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.929616][T10075] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.945569][T10078] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  813.945924][T10076] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  814.090333][T10088] loop3: detected capacity change from 0 to 2048
[  814.102595][T10088] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  814.266875][T10098] loop2: detected capacity change from 0 to 2048
[  814.283153][T10093] loop5: detected capacity change from 0 to 2048
[  814.311062][T10097] loop0: detected capacity change from 0 to 2048
[  814.330115][T10098] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  814.348294][T10093] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  814.389049][T10097] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  814.418211][T10102] loop1: detected capacity change from 0 to 2048
[  814.422170][T10101] loop3: detected capacity change from 0 to 2048
[  814.439765][T10101] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  814.475164][T10102] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  814.634856][T10111] loop2: detected capacity change from 0 to 2048
[  814.661535][T10111] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  814.792280][T10118] loop5: detected capacity change from 0 to 2048
[  814.802319][T10124] loop1: detected capacity change from 0 to 2048
[  814.823883][T10119] loop0: detected capacity change from 0 to 2048
[  814.824381][T10122] loop3: detected capacity change from 0 to 2048
executing program
[  814.838766][T10124] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  814.851876][T10122] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  814.864321][T10118] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  814.877102][T10119] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  814.925801][T10128] loop2: detected capacity change from 0 to 2048
[  814.967535][T10128] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  815.074376][T10138] loop3: detected capacity change from 0 to 2048
[  815.100449][T10138] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.118079][T10142] loop1: detected capacity change from 0 to 2048
executing program
[  815.131297][T10142] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.156387][T10143] loop0: detected capacity change from 0 to 2048
executing program
[  815.181194][T10145] loop5: detected capacity change from 0 to 2048
[  815.194579][T10143] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  815.234284][T10145] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.242142][T10150] loop2: detected capacity change from 0 to 2048
[  815.264925][T10150] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.317377][T10156] loop1: detected capacity change from 0 to 2048
executing program
[  815.360881][T10156] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.373177][T10154] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  815.403417][T10154] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.436586][T10168] loop5: detected capacity change from 0 to 2048
executing program
[  815.451259][T10168] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.474720][T10166] loop0: detected capacity change from 0 to 2048
[  815.484318][T10166] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.514881][T10170] loop2: detected capacity change from 0 to 2048
[  815.525318][ T5156] blk_print_req_error: 63 callbacks suppressed
[  815.525336][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  815.554538][T10170] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.569251][T10176] loop1: detected capacity change from 0 to 2048
[  815.578089][T10176] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  815.712519][T10180] loop3: detected capacity change from 0 to 2048
[  815.742097][T10180] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.742980][T10187] loop5: detected capacity change from 0 to 2048
[  815.768936][T10189] loop0: detected capacity change from 0 to 2048
[  815.776341][T10191] loop2: detected capacity change from 0 to 2048
[  815.780050][T10192] loop1: detected capacity change from 0 to 2048
[  815.788725][T10189] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.802442][T10191] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.816174][T10187] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  815.845860][T10192] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  815.985657][T10201] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  816.031268][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  816.058104][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  816.092456][T10208] loop2: detected capacity change from 0 to 2048
[  816.105480][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  816.117215][ T5175] buffer_io_error: 34 callbacks suppressed
[  816.117231][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  816.140056][T10207] loop0: detected capacity change from 0 to 2048
[  816.162665][T10208] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.174205][T10211] loop5: detected capacity change from 0 to 2048
[  816.179115][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  816.196610][T10212] loop1: detected capacity change from 0 to 2048
[  816.198161][T10207] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.205496][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  816.226252][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  816.234264][T10212] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  816.259434][T10201] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.274860][T10211] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  816.467968][T10228] loop2: detected capacity change from 0 to 2048
[  816.476611][T10228] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  816.596583][T10230] loop5: detected capacity change from 0 to 2048
[  816.620625][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  816.642015][T10234] loop3: detected capacity change from 0 to 2048
[  816.659942][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  816.674526][T10230] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.698358][T10238] loop1: detected capacity change from 0 to 2048
[  816.707247][T10234] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.711389][T10239] loop0: detected capacity change from 0 to 2048
[  816.727829][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  816.752368][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  816.774884][T10238] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.789950][T10241] loop2: detected capacity change from 0 to 2048
executing program
[  816.798109][T10239] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.811671][T10241] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  816.890608][T10248] loop5: detected capacity change from 0 to 2048
[  816.914491][T10248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  817.022151][T10256] loop3: detected capacity change from 0 to 2048
[  817.040430][T10257] loop0: detected capacity change from 0 to 2048
[  817.055741][T10257] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  817.071176][T10256] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  817.151465][T10261] loop1: detected capacity change from 0 to 2048
[  817.165026][T10262] loop2: detected capacity change from 0 to 2048
[  817.177706][T10262] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  817.201174][T10261] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  817.301710][T10269] loop5: detected capacity change from 0 to 2048
[  817.310301][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  817.342422][T10271] loop3: detected capacity change from 0 to 2048
[  817.367372][T10271] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  817.379362][T10269] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  817.543222][T10280] loop2: detected capacity change from 0 to 2048
[  817.568295][ T5139] Buffer I/O error on dev loop2, logical block 0, async page read
[  817.615056][T10280] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  817.619401][T10286] loop0: detected capacity change from 0 to 2048
[  817.639416][T10287] loop1: detected capacity change from 0 to 2048
[  817.645596][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  817.670234][ T5205] Buffer I/O error on dev loop1, logical block 0, async page read
[  817.683384][T10290] loop3: detected capacity change from 0 to 2048
[  817.691601][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  817.692695][T10291] loop5: detected capacity change from 0 to 2048
[  817.707964][T10286] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  817.720752][T10287] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  817.733391][T10291] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  817.755071][T10290] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  817.876152][T10303] loop2: detected capacity change from 0 to 2048
[  817.906890][T10303] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  817.927560][T10305] loop0: detected capacity change from 0 to 2048
[  817.949000][T10305] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  818.023606][T10308] loop5: detected capacity change from 0 to 2048
[  818.051679][T10312] loop1: detected capacity change from 0 to 2048
executing program
[  818.063011][T10308] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  818.067392][T10315] loop3: detected capacity change from 0 to 2048
[  818.085720][T10312] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  818.108622][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
[  818.142872][T10315] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  818.193461][T10322] loop0: detected capacity change from 0 to 2048
[  818.202301][T10322] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  818.295700][T10328] loop5: detected capacity change from 0 to 2048
[  818.305326][T10328] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  818.331208][T10331] loop3: detected capacity change from 0 to 2048
[  818.338970][T10317] loop2: detected capacity change from 0 to 2048
executing program
[  818.352510][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  818.367356][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  818.382736][T10317] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  818.412192][T10331] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  818.521032][T10333] loop1: detected capacity change from 0 to 2048
[  818.529091][T10335] loop0: detected capacity change from 0 to 2048
[  818.535961][T10343] loop5: detected capacity change from 0 to 2048
[  818.545612][T10333] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  818.563334][T10335] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  818.588747][T10343] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  818.659148][T10345] loop3: detected capacity change from 0 to 2048
[  818.675409][T10345] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  818.777754][T10351] loop2: detected capacity change from 0 to 2048
[  818.814653][T10351] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  818.837716][T10357] loop0: detected capacity change from 0 to 2048
[  818.861652][T10359] loop1: detected capacity change from 0 to 2048
[  818.862005][T10357] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  818.880728][T10359] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  818.946112][T10363] loop5: detected capacity change from 0 to 2048
[  818.998133][T10362] loop3: detected capacity change from 0 to 2048
[  818.999048][T10363] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  819.054373][T10371] loop2: detected capacity change from 0 to 2048
[  819.072112][T10362] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.085185][T10371] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.142820][T10375] loop1: detected capacity change from 0 to 2048
[  819.157610][T10376] loop0: detected capacity change from 0 to 2048
[  819.169708][T10375] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  819.185950][T10376] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  819.322719][T10391] loop3: detected capacity change from 0 to 2048
[  819.341690][T10385] loop2: detected capacity change from 0 to 2048
[  819.341724][T10391] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.353002][T10383] loop5: detected capacity change from 0 to 2048
executing program
[  819.366902][T10385] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.379031][T10383] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  819.478151][T10398] loop0: detected capacity change from 0 to 2048
[  819.507391][T10401] loop1: detected capacity change from 0 to 2048
executing program
[  819.539352][T10401] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.559070][T10398] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.581466][T10405] loop2: detected capacity change from 0 to 2048
executing program
[  819.610286][T10405] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.621727][T10403] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  819.659783][T10409] loop5: detected capacity change from 0 to 2048
[  819.681189][T10409] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  819.756326][T10403] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.757940][T10415] loop1: detected capacity change from 0 to 2048
[  819.783402][ T5126] EXT4-fs unmount: 774 callbacks suppressed
[  819.783421][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  819.812491][T10415] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  819.846007][T10403] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  819.900719][T10415] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  819.918383][T10421] loop2: detected capacity change from 0 to 2048
[  819.946115][T10419] loop0: detected capacity change from 0 to 2048
[  819.953414][T10427] loop5: detected capacity change from 0 to 2048
[  819.966248][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  819.975992][T10419] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.001355][T10421] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.025450][T10427] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.043276][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  820.074492][T10421] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.095620][T10419] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.112751][T10427] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  820.118418][T10435] loop1: detected capacity change from 0 to 2048
[  820.133601][T10435] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.192500][T10437] loop3: detected capacity change from 0 to 2048
[  820.196247][T10435] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.215915][T10437] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.247208][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  820.258690][T10437] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.275281][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  820.286082][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  820.294989][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  820.365488][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  820.379374][T10445] loop0: detected capacity change from 0 to 2048
[  820.387758][T10445] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.407134][T10443] loop2: detected capacity change from 0 to 2048
executing program
[  820.418491][T10443] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  820.465497][T10447] loop5: detected capacity change from 0 to 2048
[  820.476380][T10443] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.500101][T10445] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.509629][T10454] loop3: detected capacity change from 0 to 2048
[  820.520184][T10447] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.532766][T10454] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.539018][T10449] loop1: detected capacity change from 0 to 2048
[  820.555401][T10449] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.576868][T10447] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.609664][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  820.611349][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  820.622009][T10454] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.630888][T10449] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.680733][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  820.728906][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  820.762521][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  820.778728][T10465] loop0: detected capacity change from 0 to 2048
[  820.790079][T10465] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.854706][T10463] loop2: detected capacity change from 0 to 2048
[  820.856598][T10469] loop5: detected capacity change from 0 to 2048
[  820.881438][T10465] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.885405][T10468] loop3: detected capacity change from 0 to 2048
executing program
[  820.900466][T10463] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.913546][T10469] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.922048][T10473] loop1: detected capacity change from 0 to 2048
[  820.931419][T10468] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.943451][T10473] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  820.970261][T10468] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  820.996065][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  820.996744][T10463] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.007128][T10469] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.045493][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.076216][T10473] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  821.123361][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.135385][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.148832][T10483] loop0: detected capacity change from 0 to 2048
executing program
[  821.170022][ T5205] blk_print_req_error: 75 callbacks suppressed
[  821.170041][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  821.216256][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.219534][T10485] loop3: detected capacity change from 0 to 2048
[  821.225556][T10483] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  821.244534][T10485] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  821.309971][T10488] loop5: detected capacity change from 0 to 2048
[  821.321423][T10483] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.330561][T10489] loop2: detected capacity change from 0 to 2048
[  821.340996][T10485] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.349119][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  821.360601][T10488] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  821.421353][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  821.423462][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.431004][ T5156] buffer_io_error: 48 callbacks suppressed
[  821.431019][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  821.446930][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.478169][T10488] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.481189][T10489] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  821.493004][T10495] loop1: detected capacity change from 0 to 2048
[  821.507752][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  821.520831][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  821.530614][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  821.539069][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  821.548722][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  821.556703][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  821.566294][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  821.569517][T10489] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.574231][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  821.595575][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  821.603499][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  821.630258][T10501] loop0: detected capacity change from 0 to 2048
[  821.644559][T10501] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  821.658098][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  821.674959][T10495] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  821.687686][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.703818][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.703985][T10503] loop3: detected capacity change from 0 to 2048
[  821.721936][T10503] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  821.752957][T10501] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  821.803364][T10503] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.805437][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.824781][T10495] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.851470][T10513] loop5: detected capacity change from 0 to 2048
executing program
[  821.876950][T10512] loop2: detected capacity change from 0 to 2048
[  821.885577][T10512] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  821.905976][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  821.913193][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.915682][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  821.953066][T10512] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  821.971621][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  821.978036][T10515] loop0: detected capacity change from 0 to 2048
[  821.988200][T10513] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  822.006651][T10515] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  822.019599][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  822.056883][T10515] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  822.121279][T10513] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  822.125841][T10525] loop1: detected capacity change from 0 to 2048
[  822.148181][T10525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  822.179113][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  822.189927][T10524] loop2: detected capacity change from 0 to 2048
[  822.198393][T10524] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  822.211396][T10521] loop3: detected capacity change from 0 to 2048
executing program
[  822.225441][T10521] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  822.243132][T10524] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  822.243410][T10525] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  822.280594][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  822.296098][T10521] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  822.298280][T10533] loop0: detected capacity change from 0 to 2048
[  822.317562][T10533] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  822.332527][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  822.368849][T10533] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[  822.403045][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  822.428179][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  822.438480][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  822.456808][T10541] loop2: detected capacity change from 0 to 2048
[  822.466733][T10541] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  822.543054][T10541] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  822.553815][T10539] loop5: detected capacity change from 0 to 2048
[  822.579709][T10539] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  822.627515][T10549] loop0: detected capacity change from 0 to 2048
[  822.649757][T10549] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  822.657362][T10548] loop1: detected capacity change from 0 to 2048
[  822.673485][T10548] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  822.717892][T10544] loop3: detected capacity change from 0 to 2048
[  822.781602][T10557] loop2: detected capacity change from 0 to 2048
[  822.797137][T10557] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  822.845502][T10544] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  822.923000][T10561] loop5: detected capacity change from 0 to 2048
[  822.939243][T10561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  822.989746][T10564] loop1: detected capacity change from 0 to 2048
[  822.999484][T10564] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  823.067201][T10569] loop0: detected capacity change from 0 to 2048
executing program
[  823.117861][T10569] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.134477][T10573] loop2: detected capacity change from 0 to 2048
[  823.156192][T10577] loop3: detected capacity change from 0 to 2048
[  823.168536][T10573] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.176419][T10580] loop5: detected capacity change from 0 to 2048
[  823.187690][T10577] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.202935][T10580] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.203361][T10582] loop1: detected capacity change from 0 to 2048
executing program
[  823.248260][T10582] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  823.364222][T10594] loop0: detected capacity change from 0 to 2048
[  823.375896][T10594] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.397330][T10597] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  823.415118][T10597] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  823.468620][T10598] loop3: detected capacity change from 0 to 2048
[  823.489102][T10598] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.535717][T10604] loop1: detected capacity change from 0 to 2048
[  823.557299][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  823.562457][T10600] loop5: detected capacity change from 0 to 2048
[  823.568245][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  823.609390][T10608] loop0: detected capacity change from 0 to 2048
[  823.635050][T10608] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.645497][T10612] loop2: detected capacity change from 0 to 2048
[  823.646963][T10604] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.667059][T10612] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  823.680724][T10600] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  823.825816][T10622] loop3: detected capacity change from 0 to 2048
[  823.863563][T10622] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  823.981310][T10628] loop5: detected capacity change from 0 to 2048
[  823.999167][T10626] loop1: detected capacity change from 0 to 2048
[  824.001189][T10630] loop0: detected capacity change from 0 to 2048
[  824.016604][T10632] loop2: detected capacity change from 0 to 2048
executing program
[  824.018509][T10628] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.038825][T10630] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.040239][T10632] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.050379][T10626] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.109347][T10636] loop3: detected capacity change from 0 to 2048
[  824.169801][T10636] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  824.283199][T10648] loop0: detected capacity change from 0 to 2048
[  824.294958][T10648] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  824.418105][T10655] loop3: detected capacity change from 0 to 2048
[  824.426675][T10655] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.450365][T10654] loop2: detected capacity change from 0 to 2048
executing program
[  824.486294][T10654] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.521874][T10657] loop1: detected capacity change from 0 to 2048
executing program
[  824.546052][T10658] loop5: detected capacity change from 0 to 2048
[  824.568828][T10661] loop0: detected capacity change from 0 to 2048
[  824.578464][T10657] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.591032][T10661] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.608294][T10658] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  824.667859][T10665] loop3: detected capacity change from 0 to 2048
executing program
[  824.715103][T10674] loop2: detected capacity change from 0 to 2048
[  824.720387][T10665] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.741809][T10674] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  824.760610][T10676] loop0: detected capacity change from 0 to 2048
[  824.770849][T10676] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  824.864664][T10685] loop5: detected capacity change from 0 to 2048
[  824.919368][T10678] loop1: detected capacity change from 0 to 2048
[  824.931952][T10688] loop2: detected capacity change from 0 to 2048
[  824.940750][T10678] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  824.941208][T10685] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  824.956839][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  824.997487][T10688] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  825.031456][T10692] loop3: detected capacity change from 0 to 2048
[  825.041648][T10692] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  825.078438][T10690] loop0: detected capacity change from 0 to 2048
[  825.091077][T10690] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  825.178756][T10700] loop1: detected capacity change from 0 to 2048
[  825.217276][T10700] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  825.238875][T10706] loop5: detected capacity change from 0 to 2048
[  825.266842][T10708] loop2: detected capacity change from 0 to 2048
[  825.270350][T10706] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  825.285785][T10708] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  825.290376][T10710] loop3: detected capacity change from 0 to 2048
[  825.322526][T10710] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  825.351796][T10714] loop0: detected capacity change from 0 to 2048
[  825.384354][T10714] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  825.600991][T10726] loop1: detected capacity change from 0 to 2048
[  825.664996][T10726] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  825.669318][T10733] loop0: detected capacity change from 0 to 2048
[  825.687594][T10734] loop2: detected capacity change from 0 to 2048
[  825.716155][T10730] loop5: detected capacity change from 0 to 2048
[  825.726692][T10734] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  825.727106][T10732] loop3: detected capacity change from 0 to 2048
[  825.750844][T10733] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  825.766110][T10730] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  825.780032][T10732] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  825.913571][T10745] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
executing program
[  825.981517][T10745] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.069554][T10752] loop2: detected capacity change from 0 to 2048
[  826.070889][T10756] loop3: detected capacity change from 0 to 2048
[  826.100156][T10756] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.111614][T10753] loop5: detected capacity change from 0 to 2048
executing program
[  826.113017][T10754] loop0: detected capacity change from 0 to 2048
[  826.134308][T10752] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.152053][T10753] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.167706][T10754] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.180733][T10760] loop1: detected capacity change from 0 to 2048
[  826.192340][ T5175] blk_print_req_error: 79 callbacks suppressed
[  826.192358][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  826.211627][T10760] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  826.374632][T10772] loop3: detected capacity change from 0 to 2048
[  826.389516][T10772] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.414814][T10774] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  826.423313][T10774] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.450911][T10776] loop2: detected capacity change from 0 to 2048
executing program
[  826.472783][T10776] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  826.548590][T10784] loop1: detected capacity change from 0 to 2048
[  826.557939][T10784] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.578678][T10778] loop0: detected capacity change from 0 to 2048
executing program
[  826.595022][T10778] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.629512][T10789] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  826.650004][T10789] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.718531][T10792] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  826.760822][T10792] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.767769][T10798] loop2: detected capacity change from 0 to 2048
[  826.799856][T10799] loop1: detected capacity change from 0 to 2048
[  826.807769][T10798] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.836407][T10799] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.843733][T10804] loop3: detected capacity change from 0 to 2048
[  826.861752][T10804] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  826.878435][T10802] loop0: detected capacity change from 0 to 2048
executing program
[  826.911380][T10802] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  827.074417][T10814] loop5: detected capacity change from 0 to 2048
[  827.097985][T10819] loop3: detected capacity change from 0 to 2048
[  827.110838][T10819] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.124343][T10814] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.126606][T10816] loop2: detected capacity change from 0 to 2048
[  827.173241][T10822] loop1: detected capacity change from 0 to 2048
[  827.181572][T10822] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.186565][T10816] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  827.408215][T10834] loop3: detected capacity change from 0 to 2048
[  827.465503][T10834] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.485854][T10838] loop1: detected capacity change from 0 to 2048
[  827.492351][T10839] loop0: detected capacity change from 0 to 2048
[  827.501993][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  827.502733][T10840] loop5: detected capacity change from 0 to 2048
[  827.512547][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  827.528674][T10840] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.545394][T10839] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.559801][T10838] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  827.621533][T10842] loop2: detected capacity change from 0 to 2048
executing program
[  827.661483][T10842] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.666020][T10853] loop3: detected capacity change from 0 to 2048
[  827.701449][T10853] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.753646][T10855] loop0: detected capacity change from 0 to 2048
[  827.767045][T10855] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  827.923581][T10865] loop1: detected capacity change from 0 to 2048
[  827.940165][T10865] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.942644][T10864] loop2: detected capacity change from 0 to 2048
executing program
[  827.981495][T10864] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  827.999146][T10870] loop3: detected capacity change from 0 to 2048
[  828.023488][T10870] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.039649][T10868] loop5: detected capacity change from 0 to 2048
executing program
[  828.090942][T10868] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  828.135116][T10871] loop0: detected capacity change from 0 to 2048
executing program
[  828.210073][T10871] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.215348][T10883] loop2: detected capacity change from 0 to 2048
[  828.232680][T10883] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  828.263049][T10885] loop5: detected capacity change from 0 to 2048
[  828.273309][T10879] loop1: detected capacity change from 0 to 2048
[  828.284751][T10885] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  828.310492][T10879] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.317918][T10889] loop3: detected capacity change from 0 to 2048
[  828.336795][T10889] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  828.433270][T10901] loop2: detected capacity change from 0 to 2048
[  828.442800][T10901] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.480577][T10893] loop0: detected capacity change from 0 to 2048
[  828.505052][T10893] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.518966][T10904] loop1: detected capacity change from 0 to 2048
executing program
[  828.528398][T10904] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  828.579537][T10909] loop3: detected capacity change from 0 to 2048
[  828.595397][T10909] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.659103][T10914] loop2: detected capacity change from 0 to 2048
[  828.683267][T10916] loop5: detected capacity change from 0 to 2048
executing program
[  828.704811][T10914] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.708457][T10918] loop1: detected capacity change from 0 to 2048
[  828.727364][T10919] loop0: detected capacity change from 0 to 2048
[  828.734684][T10916] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.748713][T10919] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.761213][T10918] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.775438][T10923] loop3: detected capacity change from 0 to 2048
[  828.817007][T10923] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  828.931313][T10936] loop0: detected capacity change from 0 to 2048
[  828.950331][T10936] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  828.972432][T10937] loop2: detected capacity change from 0 to 2048
[  828.991097][T10937] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  829.024548][T10942] loop1: detected capacity change from 0 to 2048
[  829.040815][T10941] loop5: detected capacity change from 0 to 2048
[  829.045348][T10942] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  829.051341][T10943] loop3: detected capacity change from 0 to 2048
[  829.061651][T10941] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  829.094706][T10943] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  829.197230][T10955] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  829.259338][T10955] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  829.386241][T10957] loop3: detected capacity change from 0 to 2048
[  829.395746][T10960] loop2: detected capacity change from 0 to 2048
[  829.411759][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  829.417791][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  829.438333][T10961] loop5: detected capacity change from 0 to 2048
[  829.460836][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  829.466538][T10963] loop1: detected capacity change from 0 to 2048
[  829.477557][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  829.491661][T10957] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  829.507952][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  829.508418][T10961] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  829.518968][ T5139] buffer_io_error: 56 callbacks suppressed
[  829.518984][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  829.564387][T10960] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  829.626049][T10963] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  829.634713][T10968] loop0: detected capacity change from 0 to 2048
[  829.649891][T10968] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  829.795793][T10979] loop3: detected capacity change from 0 to 2048
[  829.833316][T10979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  829.944426][T10985] loop0: detected capacity change from 0 to 2048
[  829.955444][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  829.965197][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  829.974423][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  829.982647][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  829.990990][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  830.003948][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  830.011877][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  830.034330][T10991] loop2: detected capacity change from 0 to 2048
executing program
[  830.051827][T10991] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.066260][T10985] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.126900][T10988] loop1: detected capacity change from 0 to 2048
[  830.147522][T10988] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.151733][T10993] loop3: detected capacity change from 0 to 2048
[  830.159098][T10990] loop5: detected capacity change from 0 to 2048
[  830.170269][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  830.199377][T10993] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.229958][T10990] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  830.310630][T10999] loop2: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  830.358970][T10999] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.387770][T11003] loop0: detected capacity change from 0 to 2048
[  830.397216][T11003] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.444813][T11014] loop3: detected capacity change from 0 to 2048
[  830.458894][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  830.475629][T11009] loop1: detected capacity change from 0 to 2048
executing program
[  830.491583][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  830.498122][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  830.533612][T11014] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  830.547689][T11009] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.569303][T11017] loop5: detected capacity change from 0 to 2048
[  830.580059][T11017] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.645196][T11021] loop0: detected capacity change from 0 to 2048
executing program
[  830.686499][T11019] loop2: detected capacity change from 0 to 2048
[  830.702115][T11021] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  830.705638][T11019] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  830.810794][T11030] loop3: detected capacity change from 0 to 2048
[  830.823907][T11030] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  830.854841][T11035] loop1: detected capacity change from 0 to 2048
[  830.872585][T11035] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  831.028091][T11038] loop0: detected capacity change from 0 to 2048
[  831.031653][T11043] loop5: detected capacity change from 0 to 2048
[  831.061051][T11041] loop2: detected capacity change from 0 to 2048
[  831.075403][T11038] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.087841][T11043] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.104361][T11041] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.135687][T11049] loop1: detected capacity change from 0 to 2048
[  831.142682][T11048] loop3: detected capacity change from 0 to 2048
[  831.156527][T11048] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.170876][T11049] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  831.317853][T11063] loop5: detected capacity change from 0 to 2048
[  831.328334][ T5205] blk_print_req_error: 20 callbacks suppressed
[  831.328355][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  831.329635][T11062] loop0: detected capacity change from 0 to 2048
[  831.346245][T11062] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.370340][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  831.391139][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  831.411939][T11067] loop1: detected capacity change from 0 to 2048
[  831.419304][T11063] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.431345][T11067] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.437325][T11068] loop2: detected capacity change from 0 to 2048
[  831.452760][T11069] loop3: detected capacity change from 0 to 2048
[  831.464935][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  831.474985][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  831.484400][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  831.493863][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  831.503127][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  831.512474][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  831.521816][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  831.543340][T11069] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  831.570915][T11068] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.587951][T11078] loop5: detected capacity change from 0 to 2048
[  831.600625][T11078] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  831.650573][T11079] loop0: detected capacity change from 0 to 2048
[  831.669029][T11079] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.686190][T11087] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  831.715858][T11087] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  831.829382][T11097] loop5: detected capacity change from 0 to 2048
[  831.838407][T11097] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.840794][T11094] loop2: detected capacity change from 0 to 2048
executing program
[  831.877748][T11099] loop0: detected capacity change from 0 to 2048
[  831.887883][T11094] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.900491][T11099] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.908386][T11103] loop1: detected capacity change from 0 to 2048
[  831.922449][T11103] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  831.943133][T11095] loop3: detected capacity change from 0 to 2048
executing program
[  831.992985][T11095] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  832.096613][T11111] loop5: detected capacity change from 0 to 2048
[  832.118954][T11111] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.185314][T11119] loop2: detected capacity change from 0 to 2048
[  832.216833][T11119] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  832.256197][T11116] loop0: detected capacity change from 0 to 2048
[  832.309699][T11118] loop1: detected capacity change from 0 to 2048
[  832.316161][T11127] loop5: detected capacity change from 0 to 2048
[  832.318200][T11127] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  832.350048][T11116] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.367952][T11118] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.386815][T11125] loop3: detected capacity change from 0 to 2048
[  832.398244][T11125] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.422592][T11129] loop2: detected capacity change from 0 to 2048
executing program
[  832.477328][T11129] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  832.709932][T11149] loop1: detected capacity change from 0 to 2048
[  832.733917][T11144] loop0: detected capacity change from 0 to 2048
[  832.740711][T11148] loop5: detected capacity change from 0 to 2048
[  832.758357][T11149] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.774730][T11151] loop2: detected capacity change from 0 to 2048
[  832.789732][T11144] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.803118][T11148] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.824479][T11151] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  832.837735][T11153] loop3: detected capacity change from 0 to 2048
[  832.847607][T11153] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  833.041004][T11167] loop1: detected capacity change from 0 to 2048
[  833.098502][T11167] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.132054][T11171] loop3: detected capacity change from 0 to 2048
[  833.134839][T11173] loop0: detected capacity change from 0 to 2048
[  833.158203][T11172] loop5: detected capacity change from 0 to 2048
[  833.196084][T11175] loop2: detected capacity change from 0 to 2048
[  833.212194][T11172] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.234024][T11173] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.243898][T11171] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.261319][T11175] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  833.426305][T11189] loop1: detected capacity change from 0 to 2048
executing program
[  833.471633][T11189] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.481061][T11191] loop0: detected capacity change from 0 to 2048
[  833.508455][T11191] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  833.571076][T11188] loop3: detected capacity change from 0 to 2048
[  833.589259][T11188] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.609494][T11196] loop5: detected capacity change from 0 to 2048
[  833.628215][T11196] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.638983][T11202] loop1: detected capacity change from 0 to 2048
[  833.649365][T11202] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  833.674080][T11198] loop2: detected capacity change from 0 to 2048
[  833.683569][T11198] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  833.750714][T11208] loop0: detected capacity change from 0 to 2048
[  833.770109][T11208] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  833.835215][T11214] loop3: detected capacity change from 0 to 2048
[  833.844704][T11214] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  833.895985][T11218] loop5: detected capacity change from 0 to 2048
[  833.913529][T11218] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  833.955195][T11225] loop2: detected capacity change from 0 to 2048
[  833.981243][T11225] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  833.987088][T11226] loop0: detected capacity change from 0 to 2048
[  834.003628][T11226] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.006417][T11222] loop1: detected capacity change from 0 to 2048
[  834.025045][T11222] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  834.141309][T11229] loop3: detected capacity change from 0 to 2048
[  834.175836][T11229] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  834.212244][T11240] loop2: detected capacity change from 0 to 2048
[  834.224901][T11240] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.275167][T11237] loop5: detected capacity change from 0 to 2048
[  834.322163][T11243] loop0: detected capacity change from 0 to 2048
[  834.347503][T11243] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.361152][T11246] loop1: detected capacity change from 0 to 2048
executing program
[  834.372064][T11246] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.372761][T11237] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  834.492429][T11250] loop2: detected capacity change from 0 to 2048
[  834.519300][T11250] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.575479][T11257] loop3: detected capacity change from 0 to 2048
[  834.595499][T11262] loop0: detected capacity change from 0 to 2048
[  834.599195][T11257] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  834.622816][T11261] loop1: detected capacity change from 0 to 2048
[  834.629572][ T5156] buffer_io_error: 91 callbacks suppressed
[  834.629590][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  834.644006][T11262] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.708446][T11266] loop5: detected capacity change from 0 to 2048
[  834.717562][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  834.725874][T11261] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.727134][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  834.747100][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  834.755734][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  834.765369][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  834.787346][T11268] loop2: detected capacity change from 0 to 2048
[  834.787999][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  834.814704][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  834.823564][T11266] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.860814][T11268] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.931221][T11274] loop0: detected capacity change from 0 to 2048
[  834.931622][T11276] loop3: detected capacity change from 0 to 2048
executing program
[  834.984299][T11274] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  834.985817][T11276] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  835.031470][T11284] loop1: detected capacity change from 0 to 2048
[  835.039870][T11284] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  835.145848][T11294] loop5: detected capacity change from 0 to 2048
[  835.160816][T11294] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  835.198741][T11293] loop2: detected capacity change from 0 to 2048
[  835.210838][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  835.234624][T11297] loop1: detected capacity change from 0 to 2048
[  835.243040][T11293] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  835.288578][T11302] loop3: detected capacity change from 0 to 2048
[  835.289674][T11297] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  835.307108][T11302] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  835.309211][T11299] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  835.369111][T11304] loop5: detected capacity change from 0 to 2048
[  835.390371][T11299] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  835.395986][T11304] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  835.566075][T11322] loop0: detected capacity change from 0 to 2048
[  835.584913][T11322] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  835.591296][T11314] loop2: detected capacity change from 0 to 2048
[  835.604372][T11318] loop3: detected capacity change from 0 to 2048
[  835.621998][T11323] loop1: detected capacity change from 0 to 2048
[  835.628668][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  835.644272][T11314] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  835.651215][T11324] loop5: detected capacity change from 0 to 2048
[  835.674035][T11323] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  835.674183][T11318] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  835.700923][T11324] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  836.012050][T11340] loop5: detected capacity change from 0 to 2048
[  836.024233][T11348] loop0: detected capacity change from 0 to 2048
[  836.034834][T11348] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.039277][T11343] loop1: detected capacity change from 0 to 2048
[  836.049171][T11340] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.058222][T11344] loop3: detected capacity change from 0 to 2048
[  836.090480][T11346] loop2: detected capacity change from 0 to 2048
[  836.100747][T11343] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  836.117142][T11344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.137248][T11346] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  836.381624][T11364] loop1: detected capacity change from 0 to 2048
[  836.397371][T11364] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.414477][T11360] loop0: detected capacity change from 0 to 2048
[  836.433649][T11362] loop2: detected capacity change from 0 to 2048
[  836.444325][ T5156] blk_print_req_error: 127 callbacks suppressed
[  836.444343][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  836.468725][T11367] loop5: detected capacity change from 0 to 2048
[  836.480159][T11360] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.486691][T11362] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.497053][T11368] loop3: detected capacity change from 0 to 2048
[  836.519498][T11367] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.533318][T11368] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  836.728777][T11382] loop2: detected capacity change from 0 to 2048
executing program
[  836.768119][T11382] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.815208][T11389] loop3: detected capacity change from 0 to 2048
[  836.818113][T11381] loop1: detected capacity change from 0 to 2048
[  836.821796][T11387] loop5: detected capacity change from 0 to 2048
[  836.848886][T11390] loop0: detected capacity change from 0 to 2048
[  836.859804][T11389] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.874613][T11387] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.884630][T11390] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  836.888246][T11381] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  837.126335][T11410] loop3: detected capacity change from 0 to 2048
[  837.135542][T11410] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.162508][T11403] loop2: detected capacity change from 0 to 2048
[  837.185093][T11403] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.189047][T11406] loop0: detected capacity change from 0 to 2048
[  837.210860][T11411] loop5: detected capacity change from 0 to 2048
[  837.220043][T11411] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  837.228900][T11409] loop1: detected capacity change from 0 to 2048
executing program
[  837.267784][T11409] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.271351][T11406] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.323341][T11417] loop3: detected capacity change from 0 to 2048
executing program
[  837.366996][T11417] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.383500][T11421] loop2: detected capacity change from 0 to 2048
[  837.400518][T11421] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  837.476020][T11430] loop0: detected capacity change from 0 to 2048
[  837.492599][T11427] loop5: detected capacity change from 0 to 2048
[  837.493024][T11430] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.514419][T11427] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  837.522249][T11434] loop1: detected capacity change from 0 to 2048
[  837.552484][T11434] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  837.570658][T11437] loop3: detected capacity change from 0 to 2048
[  837.579750][T11437] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  837.646061][T11443] loop2: detected capacity change from 0 to 2048
[  837.656228][T11443] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.680516][T11448] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  837.720545][T11448] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  837.830275][T11453] loop1: detected capacity change from 0 to 2048
[  837.854892][T11453] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.864875][T11455] loop0: detected capacity change from 0 to 2048
[  837.882053][T11455] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.888399][T11460] loop3: detected capacity change from 0 to 2048
[  837.905311][T11461] loop2: detected capacity change from 0 to 2048
[  837.916535][T11461] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.928732][T11460] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  837.961394][T11463] loop5: detected capacity change from 0 to 2048
[  837.972593][T11463] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  838.121520][T11476] loop3: detected capacity change from 0 to 2048
[  838.136985][T11479] loop1: detected capacity change from 0 to 2048
[  838.151702][T11480] loop0: detected capacity change from 0 to 2048
[  838.158895][T11476] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.171195][T11480] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.178642][T11481] loop2: detected capacity change from 0 to 2048
[  838.189530][T11479] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.205768][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  838.210581][T11483] loop5: detected capacity change from 0 to 2048
[  838.220246][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  838.237830][T11481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.284707][T11483] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  838.400743][T11494] loop0: detected capacity change from 0 to 2048
[  838.423388][T11494] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  838.469497][T11500] loop1: detected capacity change from 0 to 2048
[  838.472413][T11496] loop3: detected capacity change from 0 to 2048
[  838.483190][T11500] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  838.553123][T11501] loop2: detected capacity change from 0 to 2048
[  838.576990][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  838.590422][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
executing program
[  838.598838][T11496] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.602290][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  838.620542][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  838.631542][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  838.646606][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  838.674203][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  838.688711][T11505] loop5: detected capacity change from 0 to 2048
[  838.705023][T11501] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.735041][T11511] loop1: detected capacity change from 0 to 2048
[  838.742779][T11510] loop0: detected capacity change from 0 to 2048
[  838.750061][T11505] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.772196][T11511] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  838.803601][T11510] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  839.032459][T11526] loop1: detected capacity change from 0 to 2048
[  839.070706][T11526] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  839.091145][T11527] loop3: detected capacity change from 0 to 2048
[  839.095694][T11530] loop0: detected capacity change from 0 to 2048
[  839.121369][T11530] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.135707][T11527] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.146220][T11533] loop5: detected capacity change from 0 to 2048
[  839.177244][T11533] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.197111][T11531] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  839.239939][T11531] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  839.348405][T11545] loop1: detected capacity change from 0 to 2048
[  839.366653][T11545] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  839.411379][T11543] loop0: detected capacity change from 0 to 2048
[  839.428890][T11550] loop3: detected capacity change from 0 to 2048
[  839.451669][T11550] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.467320][T11543] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.472485][T11553] loop2: detected capacity change from 0 to 2048
[  839.480948][T11551] loop5: detected capacity change from 0 to 2048
[  839.497285][T11553] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  839.583533][T11551] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  839.649848][T11561] loop1: detected capacity change from 0 to 2048
[  839.659886][T11561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  839.864225][T11575] loop5: detected capacity change from 0 to 2048
[  839.873096][T11566] loop0: detected capacity change from 0 to 2048
[  839.880257][T11575] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.906524][T11570] loop3: detected capacity change from 0 to 2048
[  839.912505][ T5156] buffer_io_error: 56 callbacks suppressed
[  839.912523][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  839.926691][T11570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.951265][T11571] loop2: detected capacity change from 0 to 2048
executing program
[  839.964442][T11566] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  839.991454][T11571] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  840.047467][T11583] loop1: detected capacity change from 0 to 2048
[  840.063558][T11583] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  840.117252][T11589] loop5: detected capacity change from 0 to 2048
[  840.135922][T11589] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  840.222134][T11596] loop0: detected capacity change from 0 to 2048
[  840.234402][T11596] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  840.310193][T11599] loop3: detected capacity change from 0 to 2048
[  840.322016][T11599] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  840.340173][T11603] loop1: detected capacity change from 0 to 2048
executing program
[  840.350383][T11603] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  840.438303][T11610] loop5: detected capacity change from 0 to 2048
[  840.447470][T11610] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  840.494462][T11605] loop2: detected capacity change from 0 to 2048
[  840.568633][T11605] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  840.593666][T11611] loop0: detected capacity change from 0 to 2048
[  840.610281][T11615] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  840.621053][T11611] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  840.633514][T11615] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  840.708734][T11620] loop1: detected capacity change from 0 to 2048
[  840.727734][T11620] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  840.733821][T11626] loop5: detected capacity change from 0 to 2048
executing program
[  840.750641][T11626] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  840.782715][T11631] loop0: detected capacity change from 0 to 2048
[  840.801052][T11631] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  840.892740][T11637] loop3: detected capacity change from 0 to 2048
[  840.905527][T11629] loop2: detected capacity change from 0 to 2048
[  840.914339][T11637] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  840.945954][T11629] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  840.986695][T11642] loop1: detected capacity change from 0 to 2048
[  840.996621][T11642] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.016136][T11640] loop5: detected capacity change from 0 to 2048
[  841.051994][T11640] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.079345][T11647] loop0: detected capacity change from 0 to 2048
executing program
[  841.124122][T11647] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  841.180020][T11656] loop3: detected capacity change from 0 to 2048
[  841.198767][T11656] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  841.288946][T11663] loop1: detected capacity change from 0 to 2048
[  841.302647][T11663] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.312369][T11659] loop2: detected capacity change from 0 to 2048
executing program
[  841.328253][T11659] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.359180][T11667] loop5: detected capacity change from 0 to 2048
[  841.369497][T11667] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.421595][T11669] loop3: detected capacity change from 0 to 2048
[  841.451710][T11665] loop0: detected capacity change from 0 to 2048
executing program
[  841.462295][T11669] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.476162][T11665] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  841.608771][T11685] loop2: detected capacity change from 0 to 2048
[  841.611018][ T5175] blk_print_req_error: 49 callbacks suppressed
[  841.611035][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  841.639162][T11685] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.646550][T11683] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  841.679793][T11678] loop1: detected capacity change from 0 to 2048
[  841.690356][T11683] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.708029][T11689] loop3: detected capacity change from 0 to 2048
[  841.717793][T11689] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.744877][T11678] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.750725][T11687] loop0: detected capacity change from 0 to 2048
executing program
[  841.796761][T11687] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  841.831821][T11699] loop5: detected capacity change from 0 to 2048
executing program
[  841.848266][T11699] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  841.910756][T11701] loop2: detected capacity change from 0 to 2048
[  841.934842][T11701] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  841.992315][T11707] loop3: detected capacity change from 0 to 2048
[  842.020039][T11707] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  842.079615][T11711] loop0: detected capacity change from 0 to 2048
[  842.094680][T11711] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.115209][T11714] loop1: detected capacity change from 0 to 2048
[  842.148952][T11715] loop5: detected capacity change from 0 to 2048
[  842.159527][T11714] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.164961][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  842.210771][T11719] loop2: detected capacity change from 0 to 2048
[  842.230484][T11719] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.232311][T11721] loop3: detected capacity change from 0 to 2048
[  842.242393][T11715] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  842.262814][T11721] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  842.503776][T11735] loop0: detected capacity change from 0 to 2048
[  842.514378][T11738] loop1: detected capacity change from 0 to 2048
[  842.526793][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  842.554490][T11742] loop3: detected capacity change from 0 to 2048
[  842.571274][T11738] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.577385][T11741] loop5: detected capacity change from 0 to 2048
[  842.590302][T11735] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.603966][T11742] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.609259][T11743] loop2: detected capacity change from 0 to 2048
[  842.623638][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  842.637038][T11743] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.664387][T11741] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  842.933333][T11763] loop3: detected capacity change from 0 to 2048
[  842.942603][T11758] loop1: detected capacity change from 0 to 2048
[  842.950312][T11763] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.959068][T11761] loop0: detected capacity change from 0 to 2048
[  842.964551][T11758] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  842.982150][T11764] loop5: detected capacity change from 0 to 2048
[  842.989578][T11765] loop2: detected capacity change from 0 to 2048
[  843.002149][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  843.026171][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  843.036578][T11764] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.050518][T11765] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.071016][ T5139] Buffer I/O error on dev loop0, logical block 0, async page read
[  843.119440][T11761] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  843.298929][T11780] loop5: detected capacity change from 0 to 2048
[  843.318794][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  843.353158][T11785] loop0: detected capacity change from 0 to 2048
[  843.362079][T11781] loop3: detected capacity change from 0 to 2048
[  843.368293][T11786] loop2: detected capacity change from 0 to 2048
[  843.376835][T11780] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.378362][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  843.391303][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  843.401618][T11783] loop1: detected capacity change from 0 to 2048
[  843.420091][T11786] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.433089][T11781] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.445099][T11783] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.456010][T11785] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  843.599209][T11797] loop5: detected capacity change from 0 to 2048
[  843.601702][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  843.650404][T11797] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.671926][T11803] loop1: detected capacity change from 0 to 2048
[  843.697268][T11803] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.703284][T11801] loop3: detected capacity change from 0 to 2048
[  843.719349][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  843.729817][T11804] loop2: detected capacity change from 0 to 2048
executing program
[  843.740651][T11801] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.751610][T11806] loop0: detected capacity change from 0 to 2048
[  843.752811][T11804] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  843.774185][T11806] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  843.844525][T11812] loop5: detected capacity change from 0 to 2048
[  843.854831][T11812] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  843.978080][T11821] loop1: detected capacity change from 0 to 2048
[  844.019641][T11821] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.021450][T11827] loop0: detected capacity change from 0 to 2048
[  844.052240][T11827] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.061561][T11826] loop2: detected capacity change from 0 to 2048
[  844.081979][T11828] loop3: detected capacity change from 0 to 2048
[  844.092878][T11830] loop5: detected capacity change from 0 to 2048
[  844.105376][T11828] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.117322][T11826] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.147419][T11830] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  844.310249][T11844] loop1: detected capacity change from 0 to 2048
[  844.365011][T11844] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.394121][T11843] loop0: detected capacity change from 0 to 2048
[  844.442137][T11843] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.465668][T11847] loop2: detected capacity change from 0 to 2048
[  844.479781][T11848] loop5: detected capacity change from 0 to 2048
[  844.483516][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  844.490160][T11848] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.497633][T11850] loop3: detected capacity change from 0 to 2048
[  844.521577][T11847] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.535620][T11850] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  844.686041][T11861] loop1: detected capacity change from 0 to 2048
[  844.705027][T11861] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  844.779606][T11867] loop2: detected capacity change from 0 to 2048
[  844.788455][T11867] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.807466][T11864] loop5: detected capacity change from 0 to 2048
[  844.822790][T11864] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.843349][T11871] loop0: detected capacity change from 0 to 2048
[  844.852525][T11872] loop3: detected capacity change from 0 to 2048
executing program
[  844.885813][T11871] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.898406][T11872] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  844.900271][T11876] loop1: detected capacity change from 0 to 2048
[  844.920888][T11876] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  845.024223][T11880] loop2: detected capacity change from 0 to 2048
[  845.044975][T11880] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  845.125710][T11888] loop5: detected capacity change from 0 to 2048
[  845.147290][T11888] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  845.265234][T11894] loop0: detected capacity change from 0 to 2048
[  845.287060][T11897] loop3: detected capacity change from 0 to 2048
[  845.298397][T11898] loop2: detected capacity change from 0 to 2048
[  845.306389][T11894] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  845.318783][T11897] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  845.331233][T11898] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  845.345440][T11895] loop1: detected capacity change from 0 to 2048
executing program
[  845.385994][T11895] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  845.469189][T11906] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  845.565132][T11906] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  845.703113][T11920] loop0: detected capacity change from 0 to 2048
[  845.719983][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  845.736982][T11920] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  845.739785][T11915] loop2: detected capacity change from 0 to 2048
[  845.765184][T11916] loop3: detected capacity change from 0 to 2048
[  845.785156][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  845.795925][T11921] loop1: detected capacity change from 0 to 2048
[  845.805225][T11916] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  845.817824][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  845.837349][T11921] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  845.846252][T11924] loop5: detected capacity change from 0 to 2048
[  845.858227][T11915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  845.872458][T11924] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  845.995467][T11937] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  846.047781][T11937] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  846.104977][T11941] loop1: detected capacity change from 0 to 2048
[  846.107422][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  846.137599][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  846.156701][T11941] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.174218][T11943] loop2: detected capacity change from 0 to 2048
[  846.187752][T11943] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  846.201939][T11947] loop5: detected capacity change from 0 to 2048
[  846.212403][T11947] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.221443][T11945] loop3: detected capacity change from 0 to 2048
executing program
[  846.270785][T11945] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.355880][T11951] loop0: detected capacity change from 0 to 2048
[  846.377265][T11951] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.396382][T11957] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  846.415709][T11957] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.452530][T11962] loop5: detected capacity change from 0 to 2048
[  846.479595][T11962] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.488621][T11969] loop3: detected capacity change from 0 to 2048
[  846.506416][T11969] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.515818][T11966] loop2: detected capacity change from 0 to 2048
executing program
[  846.530472][T11966] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  846.672634][T11972] loop0: detected capacity change from 0 to 2048
[  846.711625][T11983] loop1: detected capacity change from 0 to 2048
executing program
[  846.721420][T11983] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.734474][T11972] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.803729][T11980] loop5: detected capacity change from 0 to 2048
[  846.820531][T11984] loop3: detected capacity change from 0 to 2048
[  846.849207][T11980] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.851824][T11986] loop2: detected capacity change from 0 to 2048
[  846.879674][T11984] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  846.892231][T11986] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  846.966138][T11994] loop1: detected capacity change from 0 to 2048
[  846.974338][T11996] loop0: detected capacity change from 0 to 2048
[  846.984265][T11994] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  846.996692][T11996] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  847.162931][T12006] loop5: detected capacity change from 0 to 2048
[  847.187001][T12006] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.201992][T12014] loop0: detected capacity change from 0 to 2048
[  847.229871][T12014] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.234862][T12009] loop1: detected capacity change from 0 to 2048
[  847.259625][T12011] loop2: detected capacity change from 0 to 2048
[  847.268960][T12009] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.280120][T12013] loop3: detected capacity change from 0 to 2048
[  847.306736][T12011] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  847.339925][T12013] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  847.432653][T12023] loop0: detected capacity change from 0 to 2048
[  847.452004][T12023] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  847.510708][T12029] loop1: detected capacity change from 0 to 2048
[  847.535393][T12030] loop5: detected capacity change from 0 to 2048
[  847.558374][T12029] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.574509][T12030] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.587121][T12033] loop2: detected capacity change from 0 to 2048
executing program
[  847.614342][T12033] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.615160][T12035] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  847.659337][T12035] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.674537][T12040] loop0: detected capacity change from 0 to 2048
[  847.684705][T12040] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.759538][T12048] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  847.808599][T12048] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.845037][T12052] loop5: detected capacity change from 0 to 2048
[  847.845690][T12055] loop3: detected capacity change from 0 to 2048
executing program
[  847.862738][ T5156] blk_print_req_error: 12 callbacks suppressed
[  847.862757][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  847.882401][T12052] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.901585][T12055] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.915022][T12060] loop2: detected capacity change from 0 to 2048
[  847.936608][T12060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  847.963073][T12057] loop0: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  848.015004][T12057] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  848.081732][T12071] loop5: detected capacity change from 0 to 2048
[  848.105863][T12071] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  848.117691][T12067] loop1: detected capacity change from 0 to 2048
[  848.141371][T12072] loop3: detected capacity change from 0 to 2048
[  848.155852][T12067] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  848.175582][T12072] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  848.202018][T12076] loop2: detected capacity change from 0 to 2048
executing program
[  848.241511][T12076] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  848.342696][T12084] loop5: detected capacity change from 0 to 2048
[  848.362553][T12084] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  848.405510][T12088] loop1: detected capacity change from 0 to 2048
[  848.406829][T12082] loop0: detected capacity change from 0 to 2048
[  848.424283][T12082] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  848.432353][T12088] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  848.626913][T12098] loop3: detected capacity change from 0 to 2048
[  848.659009][T12102] loop5: detected capacity change from 0 to 2048
executing program
[  848.669825][T12102] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  848.690755][T12098] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  848.706240][T12096] loop2: detected capacity change from 0 to 2048
[  848.731450][T12096] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  848.828429][T12106] loop1: detected capacity change from 0 to 2048
[  848.834088][T12104] loop0: detected capacity change from 0 to 2048
[  848.860481][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  848.878907][T12104] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  848.911659][T12106] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  848.967950][T12114] loop5: detected capacity change from 0 to 2048
[  848.980003][T12116] loop3: detected capacity change from 0 to 2048
[  848.989094][T12114] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.006580][T12120] loop2: detected capacity change from 0 to 2048
[  849.016691][T12116] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.039834][T12120] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  849.181888][T12132] loop1: detected capacity change from 0 to 2048
[  849.208842][T12132] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  849.232987][T12131] loop0: detected capacity change from 0 to 2048
[  849.273130][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  849.320527][T12136] loop5: detected capacity change from 0 to 2048
[  849.335352][T12131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.336960][T12135] loop2: detected capacity change from 0 to 2048
[  849.369964][T12135] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.381974][T12136] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  849.443105][T12138] loop3: detected capacity change from 0 to 2048
[  849.453004][T12138] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  849.652139][T12146] loop1: detected capacity change from 0 to 2048
[  849.685769][T12153] loop0: detected capacity change from 0 to 2048
[  849.702891][T12156] loop5: detected capacity change from 0 to 2048
[  849.711084][T12146] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.723367][T12153] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.723469][T12155] loop2: detected capacity change from 0 to 2048
[  849.737148][T12156] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.752209][T12158] loop3: detected capacity change from 0 to 2048
[  849.767620][T12155] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.788244][T12158] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  849.805346][T12156] EXT4-fs mount: 784 callbacks suppressed
[  849.805366][T12156] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  849.808378][T12146] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  849.841221][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  849.855217][T12155] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  849.882386][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  849.896438][T12158] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  849.925102][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  849.947459][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
executing program
[  850.020988][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.083378][T12172] loop5: detected capacity change from 0 to 2048
[  850.108160][T12172] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  850.129328][T12176] loop2: detected capacity change from 0 to 2048
[  850.134701][T12171] loop0: detected capacity change from 0 to 2048
[  850.142812][T12176] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.156650][T12171] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.175935][T12172] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.176161][T12178] loop3: detected capacity change from 0 to 2048
[  850.192621][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  850.207370][T12176] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.212251][T12175] loop1: detected capacity change from 0 to 2048
[  850.240611][T12178] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.261768][T12175] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.273656][T12171] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.298805][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.300926][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  850.341026][T12178] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.376349][T12175] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.390273][T12190] loop2: detected capacity change from 0 to 2048
[  850.399828][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.414697][T12190] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  850.440852][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.476701][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  850.528410][T12190] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.550216][T12195] loop5: detected capacity change from 0 to 2048
[  850.565681][T12195] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.588330][T12196] loop0: detected capacity change from 0 to 2048
[  850.608863][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.618442][T12196] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.646130][T12195] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.653118][T12199] loop3: detected capacity change from 0 to 2048
[  850.668636][T12199] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.684002][T12200] loop1: detected capacity change from 0 to 2048
executing program
[  850.694825][T12200] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.696340][T12196] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.736804][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.757910][T12200] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.782534][T12199] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  850.818962][T12207] loop2: detected capacity change from 0 to 2048
[  850.827426][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  850.866826][T12207] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.881036][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.893411][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  850.893427][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  850.955893][T12214] loop1: detected capacity change from 0 to 2048
[  850.964981][T12214] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  850.966252][T12207] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  851.017785][T12214] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.019722][T12218] loop0: detected capacity change from 0 to 2048
[  851.039579][T12218] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.056358][T12212] loop5: detected capacity change from 0 to 2048
[  851.083680][T12212] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.093693][T12222] loop3: detected capacity change from 0 to 2048
[  851.103842][T12222] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.124196][T12218] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.137508][T12222] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.160619][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.173050][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.182925][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.185056][T12212] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
executing program
[  851.240410][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.267945][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  851.299946][T12235] loop2: detected capacity change from 0 to 2048
[  851.303574][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  851.326317][T12234] loop3: detected capacity change from 0 to 2048
[  851.335540][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  851.347680][T12235] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.367768][T12237] loop0: detected capacity change from 0 to 2048
[  851.377925][T12234] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  851.389613][T12237] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.397529][T12233] loop1: detected capacity change from 0 to 2048
[  851.428885][T12235] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.442942][T12233] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.475595][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.477988][T12240] loop5: detected capacity change from 0 to 2048
[  851.493675][T12234] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.508895][T12240] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.523624][T12237] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  851.566122][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.584778][T12233] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.595008][T12249] loop2: detected capacity change from 0 to 2048
[  851.608610][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.618415][T12249] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  851.656784][T12240] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.686733][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  851.709375][T12253] loop3: detected capacity change from 0 to 2048
[  851.719844][T12253] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.745186][T12256] loop0: detected capacity change from 0 to 2048
[  851.746647][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  851.780010][T12249] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.807783][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  851.819937][T12256] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.828242][T12260] loop1: detected capacity change from 0 to 2048
[  851.833671][T12253] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.850440][T12260] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  851.922388][T12256] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  851.948622][T12267] loop5: detected capacity change from 0 to 2048
[  851.951467][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  851.966402][T12267] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  851.980344][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  852.003608][T12260] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  852.021065][T12269] loop2: detected capacity change from 0 to 2048
[  852.030520][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  852.043066][T12269] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  852.096520][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  852.118305][T12267] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  852.140216][T12269] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  852.178065][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  852.178518][T12275] loop3: detected capacity change from 0 to 2048
executing program
[  852.196520][T12275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.212247][T12277] loop0: detected capacity change from 0 to 2048
[  852.223355][T12277] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  852.252524][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  852.265502][T12275] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  852.270908][T12279] loop1: detected capacity change from 0 to 2048
[  852.296078][T12277] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  852.321447][T12285] loop5: detected capacity change from 0 to 2048
[  852.330455][T12285] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  852.360016][T12279] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.373276][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  852.390478][T12288] loop2: detected capacity change from 0 to 2048
[  852.401807][T12288] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  852.485183][T12296] loop0: detected capacity change from 0 to 2048
[  852.498104][T12296] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.525018][T12298] loop3: detected capacity change from 0 to 2048
[  852.542337][T12298] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  852.648078][T12301] loop1: detected capacity change from 0 to 2048
[  852.672277][T12308] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  852.711897][T12309] loop5: detected capacity change from 0 to 2048
[  852.712259][T12308] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.731141][T12301] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.770472][T12309] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.807208][T12315] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  852.854361][T12312] loop3: detected capacity change from 0 to 2048
[  852.863666][T12312] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.886506][T12315] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  852.935517][T12323] loop2: detected capacity change from 0 to 2048
[  852.952846][T12323] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  852.988491][T12322] loop1: detected capacity change from 0 to 2048
[  852.998064][T12322] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  853.073417][T12333] loop0: detected capacity change from 0 to 2048
[  853.091909][T12332] loop5: detected capacity change from 0 to 2048
[  853.101786][T12332] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.118311][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  853.155690][T12333] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  853.311398][T12344] loop3: detected capacity change from 0 to 2048
[  853.334623][T12340] loop2: detected capacity change from 0 to 2048
[  853.356862][T12344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.381917][T12340] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.404945][T12347] loop1: detected capacity change from 0 to 2048
[  853.418066][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  853.435864][T12351] loop5: detected capacity change from 0 to 2048
[  853.436198][T12350] loop0: detected capacity change from 0 to 2048
[  853.443083][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  853.452751][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  853.459884][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  853.478004][T12351] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.506369][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  853.516318][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  853.519555][T12347] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.525264][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  853.578047][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  853.593456][T12350] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  853.722759][T12366] loop5: detected capacity change from 0 to 2048
[  853.736911][T12366] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.793466][T12372] loop1: detected capacity change from 0 to 2048
[  853.803485][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  853.806407][T12367] loop2: detected capacity change from 0 to 2048
[  853.819479][T12371] loop0: detected capacity change from 0 to 2048
[  853.825375][T12368] loop3: detected capacity change from 0 to 2048
[  853.841221][T12371] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.841700][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  853.857254][T12367] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  853.888727][T12372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  853.911391][T12368] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  854.044948][T12386] loop5: detected capacity change from 0 to 2048
[  854.056564][T12386] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  854.078280][T12389] loop0: detected capacity change from 0 to 2048
executing program
[  854.107961][T12392] loop2: detected capacity change from 0 to 2048
[  854.118065][T12392] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  854.132633][T12389] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  854.181204][T12390] loop1: detected capacity change from 0 to 2048
[  854.192982][T12396] loop3: detected capacity change from 0 to 2048
[  854.202025][T12390] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  854.214000][T12396] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  854.280789][T12402] loop5: detected capacity change from 0 to 2048
[  854.290880][T12402] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  854.362901][T12404] loop2: detected capacity change from 0 to 2048
[  854.381306][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  854.438676][T12404] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  854.447067][T12408] loop0: detected capacity change from 0 to 2048
[  854.489298][T12408] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  854.602461][T12419] loop3: detected capacity change from 0 to 2048
[  854.630962][T12419] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  854.638797][T12418] loop1: detected capacity change from 0 to 2048
executing program
[  854.660702][T12418] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  854.706055][T12420] loop5: detected capacity change from 0 to 2048
[  854.720794][T12424] loop2: detected capacity change from 0 to 2048
[  854.728361][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  854.747080][T12424] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  854.790660][T12426] loop0: detected capacity change from 0 to 2048
[  854.800669][T12420] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  854.807133][T12426] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  854.949094][T12434] loop3: detected capacity change from 0 to 2048
[  854.957213][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  854.975603][T12440] loop2: detected capacity change from 0 to 2048
[  854.976857][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  855.002702][T12442] loop1: detected capacity change from 0 to 2048
[  855.012687][T12440] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.023316][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  855.032972][T12434] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.049455][T12442] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.063882][T12444] loop0: detected capacity change from 0 to 2048
[  855.074730][T12444] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.081466][T12446] loop5: detected capacity change from 0 to 2048
[  855.111147][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
[  855.161460][T12446] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  855.258722][T12456] loop3: detected capacity change from 0 to 2048
[  855.276088][T12456] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  855.446563][T12467] loop0: detected capacity change from 0 to 2048
[  855.454972][T12467] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.490213][T12460] loop2: detected capacity change from 0 to 2048
[  855.518403][T12462] loop1: detected capacity change from 0 to 2048
[  855.519581][T12470] loop3: detected capacity change from 0 to 2048
[  855.527371][T12465] loop5: detected capacity change from 0 to 2048
executing program
[  855.545363][T12460] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.558500][T12462] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.558778][T12465] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.575955][T12470] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  855.648618][T12474] loop0: detected capacity change from 0 to 2048
[  855.659860][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  855.676111][T12474] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  855.749902][T12483] loop1: detected capacity change from 0 to 2048
[  855.781313][T12486] loop2: detected capacity change from 0 to 2048
[  855.787630][T12488] loop5: detected capacity change from 0 to 2048
executing program
[  855.795269][T12486] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.807588][T12483] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.823127][T12492] loop3: detected capacity change from 0 to 2048
executing program
[  855.844520][T12488] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  855.856204][T12492] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  856.022976][T12502] loop0: detected capacity change from 0 to 2048
[  856.052409][T12502] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.085532][T12506] loop2: detected capacity change from 0 to 2048
[  856.087784][T12507] loop1: detected capacity change from 0 to 2048
[  856.095799][T12509] loop3: detected capacity change from 0 to 2048
[  856.107651][T12506] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.122363][T12509] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.133631][T12510] loop5: detected capacity change from 0 to 2048
[  856.143084][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  856.162136][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  856.172388][T12507] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.203517][T12510] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  856.410554][T12523] loop2: detected capacity change from 0 to 2048
[  856.412260][T12526] loop1: detected capacity change from 0 to 2048
[  856.425632][T12526] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.458429][T12523] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.473453][T12528] loop3: detected capacity change from 0 to 2048
[  856.482849][T12525] loop0: detected capacity change from 0 to 2048
[  856.491409][T12528] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  856.528996][T12525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  856.575570][T12534] loop1: detected capacity change from 0 to 2048
[  856.587766][T12534] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.654189][T12545] loop3: detected capacity change from 0 to 2048
[  856.670969][T12545] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.680134][T12539] loop5: detected capacity change from 0 to 2048
[  856.719795][T12539] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  856.772862][T12544] loop2: detected capacity change from 0 to 2048
[  856.787858][T12544] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.812966][T12551] loop1: detected capacity change from 0 to 2048
executing program
[  856.822009][T12551] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  856.944462][T12555] loop0: detected capacity change from 0 to 2048
[  856.954777][T12562] loop5: detected capacity change from 0 to 2048
[  856.963332][T12562] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  856.979941][T12555] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  857.047271][T12561] loop3: detected capacity change from 0 to 2048
[  857.068096][T12561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  857.162386][T12570] loop5: detected capacity change from 0 to 2048
[  857.172309][T12570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  857.218323][T12576] loop0: detected capacity change from 0 to 2048
[  857.228558][T12576] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.232062][T12571] loop1: detected capacity change from 0 to 2048
executing program
[  857.312315][T12580] loop3: detected capacity change from 0 to 2048
[  857.332155][T12580] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.334356][T12572] loop2: detected capacity change from 0 to 2048
executing program
[  857.354843][T12572] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.375919][T12584] loop5: detected capacity change from 0 to 2048
[  857.378305][T12571] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.396158][T12584] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.440134][T12586] loop0: detected capacity change from 0 to 2048
[  857.466893][T12586] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  857.542883][T12598] loop2: detected capacity change from 0 to 2048
[  857.564024][T12598] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.579691][T12602] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  857.590388][T12602] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.655580][T12605] loop3: detected capacity change from 0 to 2048
[  857.704691][T12604] loop1: detected capacity change from 0 to 2048
[  857.729194][T12605] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  857.757188][T12609] loop0: detected capacity change from 0 to 2048
[  857.784691][T12609] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  857.804865][T12604] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  857.947211][T12617] loop2: detected capacity change from 0 to 2048
[  857.970174][T12617] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  857.991336][T12623] loop5: detected capacity change from 0 to 2048
[  858.041722][T12628] loop0: detected capacity change from 0 to 2048
[  858.051610][T12623] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.063970][T12631] loop3: detected capacity change from 0 to 2048
[  858.079370][T12628] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  858.099841][T12630] loop1: detected capacity change from 0 to 2048
[  858.125857][ T5156] blk_print_req_error: 81 callbacks suppressed
[  858.125876][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  858.145042][T12630] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.201328][T12631] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.208276][T12637] loop2: detected capacity change from 0 to 2048
executing program
[  858.261358][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  858.311027][T12637] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  858.366055][T12643] loop5: detected capacity change from 0 to 2048
[  858.400908][T12643] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  858.423085][T12646] loop1: detected capacity change from 0 to 2048
[  858.437843][T12646] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  858.533486][T12655] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  858.574487][T12655] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.575363][T12659] loop2: detected capacity change from 0 to 2048
[  858.597202][T12659] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.612830][T12651] loop0: detected capacity change from 0 to 2048
executing program
[  858.663008][T12662] loop5: detected capacity change from 0 to 2048
[  858.686594][T12651] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  858.711401][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  858.724214][T12669] loop2: detected capacity change from 0 to 2048
[  858.733226][T12669] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.747480][T12662] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.757506][T12666] loop1: detected capacity change from 0 to 2048
[  858.799042][T12671] loop3: detected capacity change from 0 to 2048
[  858.809109][T12671] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  858.822698][T12666] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  858.911122][T12683] loop5: detected capacity change from 0 to 2048
[  858.931441][T12683] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  859.066321][T12685] loop0: detected capacity change from 0 to 2048
[  859.093163][T12693] loop1: detected capacity change from 0 to 2048
[  859.103702][T12693] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  859.128651][T12685] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.146570][T12690] loop2: detected capacity change from 0 to 2048
[  859.160637][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  859.188296][T12689] loop3: detected capacity change from 0 to 2048
[  859.196141][T12690] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.217902][T12689] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.224952][T12695] loop5: detected capacity change from 0 to 2048
[  859.254709][T12695] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  859.432455][T12707] loop1: detected capacity change from 0 to 2048
[  859.466958][T12707] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.468024][T12712] loop0: detected capacity change from 0 to 2048
[  859.486471][T12714] loop5: detected capacity change from 0 to 2048
[  859.496184][T12714] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.510246][T12712] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.511366][T12713] loop3: detected capacity change from 0 to 2048
[  859.529989][T12715] loop2: detected capacity change from 0 to 2048
[  859.540498][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  859.553506][T12713] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.566686][T12715] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  859.726327][T12730] loop1: detected capacity change from 0 to 2048
[  859.754294][T12730] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  859.794312][T12735] loop2: detected capacity change from 0 to 2048
[  859.807210][T12735] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.847831][T12729] loop0: detected capacity change from 0 to 2048
executing program
[  859.898536][T12737] loop3: detected capacity change from 0 to 2048
[  859.909066][T12729] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.921602][T12737] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.925704][T12731] loop5: detected capacity change from 0 to 2048
[  859.937142][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  859.978412][T12731] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  859.999890][T12743] loop1: detected capacity change from 0 to 2048
[  860.010521][T12743] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  860.061122][T12750] loop2: detected capacity change from 0 to 2048
[  860.071732][T12750] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  860.142036][T12755] loop3: detected capacity change from 0 to 2048
[  860.182411][T12755] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  860.282240][T12759] loop0: detected capacity change from 0 to 2048
[  860.301937][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  860.345651][T12767] loop1: detected capacity change from 0 to 2048
[  860.356698][T12767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  860.387116][T12765] loop2: detected capacity change from 0 to 2048
[  860.391522][T12759] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  860.426099][T12765] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  860.442702][T12762] loop5: detected capacity change from 0 to 2048
[  860.459252][T12762] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  860.613150][T12771] loop3: detected capacity change from 0 to 2048
[  860.624888][T12784] loop2: detected capacity change from 0 to 2048
[  860.634779][T12784] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  860.650736][T12771] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  860.671195][T12780] loop0: detected capacity change from 0 to 2048
[  860.678766][T12781] loop1: detected capacity change from 0 to 2048
[  860.682255][T12785] loop5: detected capacity change from 0 to 2048
[  860.693493][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  860.694774][T12785] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  860.752652][T12780] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  860.774624][T12781] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  860.865208][T12797] loop3: detected capacity change from 0 to 2048
[  860.878961][T12797] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  861.004255][T12803] loop0: detected capacity change from 0 to 2048
[  861.021876][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  861.029295][T12799] loop5: detected capacity change from 0 to 2048
[  861.054020][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  861.082373][T12803] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.114103][T12808] loop3: detected capacity change from 0 to 2048
[  861.126650][T12799] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.146307][T12805] loop1: detected capacity change from 0 to 2048
[  861.147412][T12809] loop2: detected capacity change from 0 to 2048
[  861.159754][ T5175] buffer_io_error: 57 callbacks suppressed
[  861.159771][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  861.164769][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  861.185855][T12808] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.221486][T12809] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.245993][T12805] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  861.424622][T12818] loop5: detected capacity change from 0 to 2048
[  861.430517][T12819] loop0: detected capacity change from 0 to 2048
[  861.435001][T12818] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.455929][T12819] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  861.488603][T12825] loop3: detected capacity change from 0 to 2048
[  861.495170][T12827] loop1: detected capacity change from 0 to 2048
[  861.503798][T12827] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.527101][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  861.567985][T12825] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.577815][T12833] loop2: detected capacity change from 0 to 2048
[  861.597838][T12833] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  861.704881][T12841] loop0: detected capacity change from 0 to 2048
[  861.713132][T12841] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  861.780986][T12844] loop1: detected capacity change from 0 to 2048
[  861.799181][T12844] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  861.853221][T12849] loop5: detected capacity change from 0 to 2048
[  861.866171][T12846] loop2: detected capacity change from 0 to 2048
[  861.886793][T12846] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.908805][T12849] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.935564][T12851] loop3: detected capacity change from 0 to 2048
executing program
[  861.954924][T12851] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  861.991719][T12855] loop0: detected capacity change from 0 to 2048
[  862.026002][T12857] loop1: detected capacity change from 0 to 2048
[  862.033224][T12855] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.035056][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  862.052893][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  862.062512][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  862.070891][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  862.117545][T12857] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  862.182387][T12867] loop2: detected capacity change from 0 to 2048
[  862.202634][T12867] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.229916][T12870] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  862.272439][T12870] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.298355][T12873] loop3: detected capacity change from 0 to 2048
[  862.310841][T12873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  862.371857][T12877] loop0: detected capacity change from 0 to 2048
[  862.380605][T12877] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  862.485641][T12888] loop5: detected capacity change from 0 to 2048
[  862.519956][T12888] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  862.630189][T12891] loop1: detected capacity change from 0 to 2048
[  862.640829][T12891] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.668475][T12892] loop2: detected capacity change from 0 to 2048
executing program
[  862.678413][T12892] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.696522][T12893] loop3: detected capacity change from 0 to 2048
executing program
[  862.725699][T12893] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.741059][T12895] loop0: detected capacity change from 0 to 2048
[  862.767469][T12895] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.772403][T12901] loop5: detected capacity change from 0 to 2048
[  862.806650][T12906] loop1: detected capacity change from 0 to 2048
[  862.807999][T12901] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  862.827836][T12906] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  862.958261][T12915] loop3: detected capacity change from 0 to 2048
[  862.970348][T12920] loop1: detected capacity change from 0 to 2048
[  862.985941][T12920] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.003107][T12915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.010518][T12921] loop0: detected capacity change from 0 to 2048
[  863.027659][T12921] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.042928][T12918] loop2: detected capacity change from 0 to 2048
[  863.065220][T12918] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.066703][T12923] loop5: detected capacity change from 0 to 2048
[  863.104420][T12923] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  863.332397][T12936] loop3: detected capacity change from 0 to 2048
[  863.339402][T12940] loop1: detected capacity change from 0 to 2048
[  863.355092][ T5156] blk_print_req_error: 11 callbacks suppressed
[  863.355111][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  863.393149][T12936] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.396389][T12943] loop2: detected capacity change from 0 to 2048
[  863.410092][T12939] loop0: detected capacity change from 0 to 2048
[  863.421449][T12941] loop5: detected capacity change from 0 to 2048
[  863.431921][T12939] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.444483][T12943] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.457975][T12940] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.471156][T12941] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  863.721492][T12961] loop0: detected capacity change from 0 to 2048
[  863.732972][T12955] loop3: detected capacity change from 0 to 2048
[  863.734723][T12962] loop5: detected capacity change from 0 to 2048
[  863.744294][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  863.770677][T12962] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.783103][T12963] loop1: detected capacity change from 0 to 2048
[  863.790085][T12960] loop2: detected capacity change from 0 to 2048
[  863.790088][T12961] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.808533][T12963] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.808723][T12955] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  863.824335][T12960] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  863.931820][T12974] loop5: detected capacity change from 0 to 2048
[  863.941604][T12974] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  863.985121][T12978] loop0: detected capacity change from 0 to 2048
[  863.994684][T12978] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.051632][T12983] loop3: detected capacity change from 0 to 2048
[  864.075281][T12983] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  864.099458][T12986] loop2: detected capacity change from 0 to 2048
[  864.106266][T12979] loop1: detected capacity change from 0 to 2048
[  864.122587][T12986] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.122686][T12979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  864.184434][T12989] loop5: detected capacity change from 0 to 2048
[  864.193260][T12989] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  864.265598][T12999] loop2: detected capacity change from 0 to 2048
[  864.296132][T12999] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  864.317167][T12995] loop0: detected capacity change from 0 to 2048
[  864.336218][T12995] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.360054][T13003] loop3: detected capacity change from 0 to 2048
[  864.383427][T13006] loop5: detected capacity change from 0 to 2048
[  864.403172][T13003] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.424903][T13008] loop1: detected capacity change from 0 to 2048
[  864.434374][T13006] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.446407][T13008] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  864.557116][T13018] loop0: detected capacity change from 0 to 2048
[  864.568847][T13018] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  864.727149][T13013] loop2: detected capacity change from 0 to 2048
[  864.761292][T13028] loop5: detected capacity change from 0 to 2048
[  864.775304][T13013] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.818605][T13030] loop0: detected capacity change from 0 to 2048
[  864.828893][T13023] loop1: detected capacity change from 0 to 2048
[  864.832035][T13028] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.852407][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  864.868686][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  864.881544][T13031] loop3: detected capacity change from 0 to 2048
[  864.890920][T13030] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.906622][T13031] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  864.931880][T13023] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  865.162597][T13045] loop2: detected capacity change from 0 to 2048
[  865.174781][T13045] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.287367][T13048] loop5: detected capacity change from 0 to 2048
[  865.302972][T13049] loop1: detected capacity change from 0 to 2048
[  865.322309][T13053] loop0: detected capacity change from 0 to 2048
executing program
[  865.331140][T13053] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.354891][T13048] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.370985][T13049] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.387255][T13052] loop3: detected capacity change from 0 to 2048
[  865.407544][T13060] loop2: detected capacity change from 0 to 2048
[  865.416630][T13052] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  865.446967][T13060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.486853][T13066] loop0: detected capacity change from 0 to 2048
[  865.496598][T13066] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  865.631638][T13073] loop1: detected capacity change from 0 to 2048
[  865.661797][T13079] loop2: detected capacity change from 0 to 2048
executing program
[  865.670980][T13079] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.685110][T13073] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.716533][T13080] loop3: detected capacity change from 0 to 2048
[  865.730366][T13078] loop5: detected capacity change from 0 to 2048
[  865.732663][T13080] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.739720][T13078] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  865.785656][T13084] loop0: detected capacity change from 0 to 2048
[  865.835493][T13084] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.848062][T13090] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  865.895918][T13090] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  865.970484][T13094] loop5: detected capacity change from 0 to 2048
[  865.994910][T13096] loop1: detected capacity change from 0 to 2048
[  866.004447][T13096] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  866.020145][T13094] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  866.063530][T13103] loop3: detected capacity change from 0 to 2048
[  866.072530][T13103] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  866.218833][T13113] loop0: detected capacity change from 0 to 2048
[  866.237979][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  866.313662][T13113] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.361813][T13115] loop1: detected capacity change from 0 to 2048
[  866.376330][T13118] loop5: detected capacity change from 0 to 2048
[  866.377327][T13119] loop2: detected capacity change from 0 to 2048
[  866.390666][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  866.398307][T13118] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.406684][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  866.418377][T13115] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.421655][T13120] loop3: detected capacity change from 0 to 2048
[  866.445786][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  866.458588][T13119] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.494698][T13120] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  866.708078][T13134] loop2: detected capacity change from 0 to 2048
[  866.722494][T13137] loop0: detected capacity change from 0 to 2048
[  866.736247][T13134] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.746546][T13138] loop5: detected capacity change from 0 to 2048
[  866.750483][T13140] loop3: detected capacity change from 0 to 2048
[  866.770506][T13136] loop1: detected capacity change from 0 to 2048
[  866.777277][T13137] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.794914][T13140] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  866.825532][T13138] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.838635][T13136] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  866.913469][T13149] loop2: detected capacity change from 0 to 2048
[  866.928648][T13149] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  866.949657][T13154] loop0: detected capacity change from 0 to 2048
executing program
[  866.965416][T13154] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  867.081921][T13160] loop5: detected capacity change from 0 to 2048
[  867.106073][T13160] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.120686][T13162] loop1: detected capacity change from 0 to 2048
[  867.131639][T13162] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.155097][T13164] loop3: detected capacity change from 0 to 2048
[  867.168374][T13164] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  867.198051][T13168] loop2: detected capacity change from 0 to 2048
[  867.231412][T13174] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  867.240818][T13174] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.264279][T13168] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  867.433147][T13181] loop1: detected capacity change from 0 to 2048
[  867.441761][T13182] loop5: detected capacity change from 0 to 2048
[  867.449197][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  867.480064][T13181] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.499039][T13188] loop0: detected capacity change from 0 to 2048
[  867.507473][T13182] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.524708][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  867.549892][T13188] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.551650][T13187] loop3: detected capacity change from 0 to 2048
[  867.597604][T13190] loop2: detected capacity change from 0 to 2048
[  867.619903][T13190] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.632016][T13187] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  867.704594][T13199] loop5: detected capacity change from 0 to 2048
[  867.714564][T13199] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  867.749281][T13205] loop0: detected capacity change from 0 to 2048
[  867.759077][T13205] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  867.852475][T13211] loop2: detected capacity change from 0 to 2048
[  867.871300][T13211] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.886074][T13216] loop3: detected capacity change from 0 to 2048
executing program
[  867.909864][T13216] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  867.922765][T13217] loop1: detected capacity change from 0 to 2048
[  867.935998][T13217] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  867.957998][T13218] loop5: detected capacity change from 0 to 2048
[  867.966660][T13218] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.012669][T13220] loop0: detected capacity change from 0 to 2048
[  868.106026][T13220] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  868.204935][T13232] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  868.259917][T13232] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.263609][T13234] loop2: detected capacity change from 0 to 2048
[  868.281335][T13234] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  868.429144][T13237] loop3: detected capacity change from 0 to 2048
[  868.431630][T13238] loop0: detected capacity change from 0 to 2048
[  868.456754][T13240] loop1: detected capacity change from 0 to 2048
[  868.474405][T13237] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.486675][T13238] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.501923][T13240] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.532309][T13248] loop5: detected capacity change from 0 to 2048
[  868.541761][T13248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.544864][T13247] loop2: detected capacity change from 0 to 2048
[  868.562287][T13247] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  868.835276][T13265] loop1: detected capacity change from 0 to 2048
[  868.842543][T13267] loop0: detected capacity change from 0 to 2048
[  868.847737][T13266] loop2: detected capacity change from 0 to 2048
[  868.856395][T13268] loop5: detected capacity change from 0 to 2048
[  868.856676][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  868.864561][T13269] loop3: detected capacity change from 0 to 2048
[  868.883986][T13266] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.885574][T13267] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.895525][T13268] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.919474][T13265] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  868.935741][T13269] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  869.093695][T13284] loop5: detected capacity change from 0 to 2048
[  869.108890][T13284] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.124676][T13286] loop2: detected capacity change from 0 to 2048
[  869.136783][T13286] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.151973][T13281] loop1: detected capacity change from 0 to 2048
[  869.162453][T13281] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  869.190934][T13287] loop3: detected capacity change from 0 to 2048
[  869.202914][T13287] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.215276][T13289] loop0: detected capacity change from 0 to 2048
[  869.227363][T13289] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  869.302847][T13299] loop2: detected capacity change from 0 to 2048
[  869.331002][T13299] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.382520][T13309] loop3: detected capacity change from 0 to 2048
[  869.391782][T13309] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.404388][T13302] loop1: detected capacity change from 0 to 2048
[  869.424500][T13307] loop0: detected capacity change from 0 to 2048
[  869.435015][T13305] loop5: detected capacity change from 0 to 2048
[  869.446855][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  869.459767][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  869.477594][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  869.478096][T13302] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.498721][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  869.510108][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  869.519694][T13305] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.533954][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  869.546587][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  869.560396][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
executing program
[  869.576371][T13307] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  869.752876][T13326] loop2: detected capacity change from 0 to 2048
[  869.767829][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  869.778255][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  869.787696][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
executing program
[  869.804022][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  869.808927][T13322] loop3: detected capacity change from 0 to 2048
[  869.813168][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  869.813271][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  869.855691][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  869.860832][T13329] loop1: detected capacity change from 0 to 2048
[  869.890836][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  869.903485][T13322] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.912069][T13327] loop5: detected capacity change from 0 to 2048
[  869.920226][T13331] loop0: detected capacity change from 0 to 2048
[  869.929788][T13329] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.938162][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  869.943633][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  869.968085][T13326] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  869.996397][T13331] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.014561][T13327] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[  870.300745][T13345] loop3: detected capacity change from 0 to 2048
[  870.348759][T13354] loop5: detected capacity change from 0 to 2048
[  870.348859][T13345] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.367599][T13354] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.373177][T13351] loop1: detected capacity change from 0 to 2048
[  870.392734][T13353] loop2: detected capacity change from 0 to 2048
[  870.396631][T13355] loop0: detected capacity change from 0 to 2048
[  870.407073][T13353] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.418301][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  870.421028][T13351] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.445346][T13355] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  870.694703][T13372] loop1: detected capacity change from 0 to 2048
[  870.713301][T13368] loop2: detected capacity change from 0 to 2048
[  870.734868][T13372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.754589][T13375] loop0: detected capacity change from 0 to 2048
[  870.764805][T13368] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.770842][T13376] loop3: detected capacity change from 0 to 2048
[  870.789367][T13375] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.809778][T13376] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  870.846293][T13378] loop5: detected capacity change from 0 to 2048
[  870.876334][T13378] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  871.001805][T13392] loop2: detected capacity change from 0 to 2048
[  871.022220][T13392] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  871.049401][T13393] loop0: detected capacity change from 0 to 2048
[  871.074649][T13393] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.102468][T13395] loop1: detected capacity change from 0 to 2048
[  871.102590][T13397] loop5: detected capacity change from 0 to 2048
executing program
[  871.125508][T13395] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  871.193848][T13398] loop3: detected capacity change from 0 to 2048
[  871.225356][T13398] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.263121][T13397] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  871.350666][T13404] loop2: detected capacity change from 0 to 2048
executing program
[  871.407990][T13404] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.467057][T13416] loop0: detected capacity change from 0 to 2048
[  871.479335][T13416] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.515685][T13420] loop3: detected capacity change from 0 to 2048
[  871.520316][T13419] loop1: detected capacity change from 0 to 2048
[  871.536436][T13419] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.547792][T13422] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  871.585017][T13420] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.612816][T13422] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.613154][T13430] loop2: detected capacity change from 0 to 2048
[  871.633501][T13430] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.670744][T13432] loop0: detected capacity change from 0 to 2048
executing program
[  871.682678][T13432] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.743090][T13441] loop1: detected capacity change from 0 to 2048
[  871.752765][T13441] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  871.829898][T13448] loop3: detected capacity change from 0 to 2048
[  871.855480][T13449] loop2: detected capacity change from 0 to 2048
[  871.864243][T13448] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  871.878581][T13449] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.947585][T13455] loop0: detected capacity change from 0 to 2048
[  871.968212][T13452] loop5: detected capacity change from 0 to 2048
[  871.982865][T13455] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  871.998566][T13452] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  872.053358][T13454] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  872.102943][T13454] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  872.182260][T13470] loop0: detected capacity change from 0 to 2048
[  872.193584][T13470] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  872.245669][T13464] loop2: detected capacity change from 0 to 2048
[  872.266374][T13466] loop3: detected capacity change from 0 to 2048
[  872.281529][T13464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  872.301697][T13475] loop5: detected capacity change from 0 to 2048
[  872.310796][T13475] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  872.330041][T13466] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  872.399056][T13478] loop1: detected capacity change from 0 to 2048
[  872.416776][T13478] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  872.512716][T13483] loop0: detected capacity change from 0 to 2048
[  872.527868][T13491] loop5: detected capacity change from 0 to 2048
[  872.537012][T13491] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  872.561107][T13483] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  872.590789][T13492] loop2: detected capacity change from 0 to 2048
[  872.641988][T13492] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  872.661809][T13498] loop3: detected capacity change from 0 to 2048
[  872.679329][T13495] loop1: detected capacity change from 0 to 2048
executing program
[  872.717392][T13495] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  872.729395][T13498] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  872.778190][T13502] loop5: detected capacity change from 0 to 2048
[  872.790164][T13502] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  872.901906][T13510] loop0: detected capacity change from 0 to 2048
[  872.914432][T13510] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  872.976132][T13517] loop2: detected capacity change from 0 to 2048
[  872.987408][T13514] loop1: detected capacity change from 0 to 2048
[  873.018252][T13514] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.058094][T13519] loop3: detected capacity change from 0 to 2048
executing program
[  873.069666][T13520] loop5: detected capacity change from 0 to 2048
[  873.083143][T13517] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.119261][T13519] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.133136][T13520] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  873.165110][T13524] loop0: detected capacity change from 0 to 2048
[  873.181780][T13524] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  873.341463][T13538] loop1: detected capacity change from 0 to 2048
[  873.395923][T13538] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.409832][T13540] loop3: detected capacity change from 0 to 2048
[  873.422954][T13542] loop0: detected capacity change from 0 to 2048
[  873.452697][T13546] loop2: detected capacity change from 0 to 2048
[  873.458143][T13545] loop5: detected capacity change from 0 to 2048
[  873.464241][T13540] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.480476][T13542] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.527110][T13545] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.539824][T13546] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  873.687045][T13557] loop1: detected capacity change from 0 to 2048
[  873.701996][T13557] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.766660][T13561] loop0: detected capacity change from 0 to 2048
[  873.830623][T13562] loop5: detected capacity change from 0 to 2048
[  873.833962][T13561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.850161][T13562] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.863364][T13564] loop3: detected capacity change from 0 to 2048
[  873.865815][T13567] loop2: detected capacity change from 0 to 2048
executing program
[  873.903995][T13567] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.916551][T13564] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  873.928668][T13572] loop1: detected capacity change from 0 to 2048
[  873.951990][T13572] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  874.091632][T13582] loop5: detected capacity change from 0 to 2048
[  874.106159][T13582] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.180094][T13584] loop0: detected capacity change from 0 to 2048
[  874.183970][T13588] loop1: detected capacity change from 0 to 2048
[  874.197361][T13587] loop2: detected capacity change from 0 to 2048
[  874.213039][ T5156] blk_print_req_error: 121 callbacks suppressed
[  874.213057][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  874.232166][T13588] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.256662][T13590] loop3: detected capacity change from 0 to 2048
executing program
[  874.276621][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  874.284069][T13587] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.309529][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  874.320950][T13584] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.368890][T13590] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.395992][T13596] loop5: detected capacity change from 0 to 2048
executing program
[  874.417498][T13596] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.469305][T13604] loop1: detected capacity change from 0 to 2048
[  874.480806][T13604] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  874.600501][T13613] loop3: detected capacity change from 0 to 2048
[  874.610506][T13613] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  874.642810][T13610] loop2: detected capacity change from 0 to 2048
[  874.645979][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  874.684671][T13610] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.715180][T13619] loop5: detected capacity change from 0 to 2048
executing program
[  874.729200][T13619] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.741753][T13615] loop0: detected capacity change from 0 to 2048
[  874.748812][T13617] loop1: detected capacity change from 0 to 2048
executing program
[  874.776712][T13624] loop3: detected capacity change from 0 to 2048
[  874.777700][T13617] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.799343][T13615] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.811725][T13624] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  874.916896][T13636] loop5: detected capacity change from 0 to 2048
[  874.927892][T13636] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  874.957007][T13628] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  874.966965][T13628] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.003479][T13639] loop0: detected capacity change from 0 to 2048
executing program
[  875.040497][T13639] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.053191][T13644] loop1: detected capacity change from 0 to 2048
executing program
[  875.106509][T13647] loop3: detected capacity change from 0 to 2048
[  875.113449][T13644] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.134186][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  875.175140][T13647] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.239325][T13652] loop2: detected capacity change from 0 to 2048
[  875.239463][T13649] loop5: detected capacity change from 0 to 2048
[  875.252430][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  875.262450][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  875.271874][ T5205] buffer_io_error: 92 callbacks suppressed
[  875.271890][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  875.286425][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  875.289562][T13652] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.296252][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  875.319889][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  875.329742][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  875.345389][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  875.358231][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  875.371589][T13649] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  875.393009][T13660] loop1: detected capacity change from 0 to 2048
[  875.416390][T13660] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.437716][T13662] loop0: detected capacity change from 0 to 2048
[  875.460214][T13662] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  875.701922][T13674] loop1: detected capacity change from 0 to 2048
[  875.760156][T13678] loop3: detected capacity change from 0 to 2048
[  875.769203][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  875.775589][T13677] loop2: detected capacity change from 0 to 2048
[  875.784055][T13674] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.790895][ T5139] Buffer I/O error on dev loop2, logical block 0, async page read
[  875.810540][T13680] loop5: detected capacity change from 0 to 2048
[  875.821600][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  875.834263][T13681] loop0: detected capacity change from 0 to 2048
[  875.837356][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  875.843143][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  875.849606][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  875.861932][T13677] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.904892][T13678] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.918623][T13681] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  875.941117][T13680] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  876.076483][T13694] loop1: detected capacity change from 0 to 2048
[  876.092569][T13694] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.204450][T13702] loop2: detected capacity change from 0 to 2048
[  876.214852][T13702] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.233208][T13704] loop3: detected capacity change from 0 to 2048
executing program
[  876.255572][T13700] loop5: detected capacity change from 0 to 2048
[  876.262190][T13704] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.277880][T13697] loop0: detected capacity change from 0 to 2048
[  876.290532][T13700] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.316919][T13697] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  876.456227][T13706] loop1: detected capacity change from 0 to 2048
[  876.554739][T13706] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  876.600545][T13719] loop2: detected capacity change from 0 to 2048
[  876.629425][T13716] loop5: detected capacity change from 0 to 2048
[  876.644852][T13720] loop0: detected capacity change from 0 to 2048
[  876.653292][T13719] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.672102][T13716] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.687418][T13720] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.711536][T13722] loop3: detected capacity change from 0 to 2048
[  876.727557][T13722] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  876.925425][T13736] loop2: detected capacity change from 0 to 2048
[  876.947861][T13735] loop1: detected capacity change from 0 to 2048
[  876.962279][T13736] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.977958][T13735] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  876.988267][T13738] loop0: detected capacity change from 0 to 2048
[  877.006245][T13742] loop3: detected capacity change from 0 to 2048
[  877.011460][T13741] loop5: detected capacity change from 0 to 2048
[  877.024739][T13738] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.025029][T13742] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  877.131129][T13741] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  877.219663][T13753] loop1: detected capacity change from 0 to 2048
executing program
[  877.277378][T13753] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  877.342432][T13760] loop0: detected capacity change from 0 to 2048
[  877.368222][T13760] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.411722][T13758] loop3: detected capacity change from 0 to 2048
[  877.412820][T13757] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  877.466569][T13758] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.476300][T13764] loop5: detected capacity change from 0 to 2048
[  877.498525][T13764] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.513528][T13757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.576738][T13769] loop1: detected capacity change from 0 to 2048
[  877.593848][T13769] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  877.695544][T13770] loop0: detected capacity change from 0 to 2048
[  877.707960][T13779] loop3: detected capacity change from 0 to 2048
[  877.719177][T13770] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.720363][T13779] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  877.778938][T13783] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  877.821102][T13783] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  877.862389][T13789] loop5: detected capacity change from 0 to 2048
[  877.911595][T13793] loop1: detected capacity change from 0 to 2048
[  877.913420][T13792] loop0: detected capacity change from 0 to 2048
[  877.926116][T13789] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.944915][T13793] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  877.956590][T13792] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  877.982854][T13797] loop3: detected capacity change from 0 to 2048
[  877.993357][T13797] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.018958][T13801] loop2: detected capacity change from 0 to 2048
[  878.028178][T13801] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  878.131440][T13810] loop0: detected capacity change from 0 to 2048
[  878.148684][T13810] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.159290][T13813] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  878.179048][T13813] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  878.320178][T13821] loop2: detected capacity change from 0 to 2048
[  878.339579][T13820] loop3: detected capacity change from 0 to 2048
executing program
[  878.382715][T13817] loop1: detected capacity change from 0 to 2048
[  878.389964][T13820] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.414800][T13821] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.452967][T13817] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.471277][T13825] loop0: detected capacity change from 0 to 2048
executing program
[  878.505503][T13825] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.535650][T13827] loop5: detected capacity change from 0 to 2048
executing program
[  878.572342][T13827] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  878.694490][T13844] loop1: detected capacity change from 0 to 2048
[  878.706430][T13844] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.724609][T13846] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  878.734041][T13846] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.786240][T13847] loop3: detected capacity change from 0 to 2048
[  878.805095][T13847] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.828865][T13849] loop0: detected capacity change from 0 to 2048
[  878.834394][T13853] loop5: detected capacity change from 0 to 2048
[  878.848053][T13853] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  878.862408][T13849] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  879.013326][T13859] loop2: detected capacity change from 0 to 2048
[  879.022178][T13859] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.038986][T13866] loop3: detected capacity change from 0 to 2048
[  879.047984][T13866] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.128911][T13869] loop0: detected capacity change from 0 to 2048
[  879.154703][T13869] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.156988][T13873] loop5: detected capacity change from 0 to 2048
executing program
[  879.177139][T13873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.181024][T13867] loop1: detected capacity change from 0 to 2048
[  879.198952][T13867] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.295189][T13882] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  879.347900][T13882] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  879.434825][T13885] loop0: detected capacity change from 0 to 2048
[  879.472043][T13889] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  879.484449][T13885] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.489593][T13890] loop2: detected capacity change from 0 to 2048
[  879.506165][T13890] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.526298][T13889] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.568410][T13895] loop3: detected capacity change from 0 to 2048
[  879.585214][T13895] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.612086][T13894] loop1: detected capacity change from 0 to 2048
executing program
[  879.627699][T13894] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  879.703659][T13904] loop0: detected capacity change from 0 to 2048
[  879.732757][T13904] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  879.786813][T13912] loop1: detected capacity change from 0 to 2048
[  879.800370][T13909] loop2: detected capacity change from 0 to 2048
[  879.808011][T13912] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.831895][T13909] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.842396][T13913] loop5: detected capacity change from 0 to 2048
[  879.856539][ T5205] blk_print_req_error: 134 callbacks suppressed
[  879.856558][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  879.887522][T13904] EXT4-fs mount: 787 callbacks suppressed
[  879.887542][T13904] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  879.911627][T13915] loop3: detected capacity change from 0 to 2048
[  879.930269][T13912] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  879.945665][T13915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.961760][T13913] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  879.998313][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.015000][T13913] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.030314][T13909] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.054026][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.069539][T13915] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[  880.100783][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.111652][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.129204][T13927] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  880.162481][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.172500][T13927] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  880.221318][T13929] loop1: detected capacity change from 0 to 2048
[  880.252241][T13927] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.274730][T13929] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  880.276774][T13932] loop2: detected capacity change from 0 to 2048
[  880.291029][T13933] loop5: detected capacity change from 0 to 2048
[  880.299290][T13932] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  880.315541][T13933] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  880.318645][T13937] loop3: detected capacity change from 0 to 2048
[  880.338951][T13932] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.351503][T13937] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  880.384283][T13929] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.413478][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.416044][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  880.438707][T13933] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.454511][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  880.504927][T13946] loop2: detected capacity change from 0 to 2048
[  880.518697][T13946] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  880.561108][T13937] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.597805][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  880.643870][T13956] loop0: detected capacity change from 0 to 2048
[  880.653254][T13956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  880.674715][T13946] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.687836][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.709989][T13959] loop1: detected capacity change from 0 to 2048
executing program
[  880.734560][T13959] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  880.762803][T13956] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.780801][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  880.805861][T13962] loop5: detected capacity change from 0 to 2048
[  880.815213][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.825600][T13962] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  880.841894][T13959] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  880.879377][T13965] loop3: detected capacity change from 0 to 2048
[  880.888521][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  880.899457][T13965] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  880.922521][T13962] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.933578][T13969] loop0: detected capacity change from 0 to 2048
[  880.948865][T13969] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  880.972652][T13965] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  880.992924][T13976] loop2: detected capacity change from 0 to 2048
[  880.997851][T13969] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.012633][T13976] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.022890][T13979] loop1: detected capacity change from 0 to 2048
[  881.032409][T13979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.059831][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.089727][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.097437][T13979] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.114628][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  881.134032][T13976] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.176882][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  881.176967][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.222410][T13986] loop5: detected capacity change from 0 to 2048
[  881.223586][T13988] loop3: detected capacity change from 0 to 2048
executing program
[  881.236200][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  881.252014][T13988] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.268014][T13986] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.302343][T13991] loop1: detected capacity change from 0 to 2048
[  881.311446][T13988] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.318160][T13989] loop0: detected capacity change from 0 to 2048
[  881.330656][T13991] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  881.344065][T13989] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.357542][T13986] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.398912][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.421822][T13989] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.434243][T13998] loop2: detected capacity change from 0 to 2048
[  881.436798][T13991] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.453680][T13998] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.475965][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  881.505633][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.530403][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.541826][T13998] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  881.569473][T14005] loop3: detected capacity change from 0 to 2048
[  881.579989][T14005] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.607085][T14007] loop5: detected capacity change from 0 to 2048
[  881.618463][T14007] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  881.668883][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.737068][T14005] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.762207][T14009] loop1: detected capacity change from 0 to 2048
[  881.774105][T14007] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  881.790137][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  881.827396][T14009] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.830526][T14011] loop0: detected capacity change from 0 to 2048
[  881.850081][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.868599][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  881.873874][T14017] loop2: detected capacity change from 0 to 2048
[  881.892027][T14011] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  881.910000][T14017] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  881.940926][T14009] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  881.966997][T14011] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  882.003253][T14017] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  882.028558][T14026] loop5: detected capacity change from 0 to 2048
[  882.038021][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  882.048300][T14026] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.090742][T14027] loop3: detected capacity change from 0 to 2048
[  882.099695][T14027] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.112376][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  882.130759][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  882.142546][T14026] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  882.199712][T14027] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  882.207556][T14034] loop1: detected capacity change from 0 to 2048
[  882.226869][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  882.228150][T14032] loop2: detected capacity change from 0 to 2048
executing program
[  882.246737][T14032] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.258621][T14034] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.273643][T14037] loop0: detected capacity change from 0 to 2048
executing program
[  882.320760][T14037] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.333573][T14032] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  882.348112][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  882.373253][T14034] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  882.396251][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  882.410231][T14037] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
executing program
executing program
[  882.529053][T14047] loop5: detected capacity change from 0 to 2048
[  882.555174][T14047] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.620881][T14049] loop3: detected capacity change from 0 to 2048
[  882.645999][T14053] loop1: detected capacity change from 0 to 2048
[  882.658985][T14049] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  882.707054][T14053] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.735530][T14057] loop2: detected capacity change from 0 to 2048
[  882.751978][T14059] loop0: detected capacity change from 0 to 2048
[  882.752936][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  882.777960][T14059] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  882.816171][T14057] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  882.833264][T14061] loop5: detected capacity change from 0 to 2048
[  882.850069][T14061] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  882.903271][T14069] loop1: detected capacity change from 0 to 2048
[  882.912450][T14069] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  882.983242][T14076] loop3: detected capacity change from 0 to 2048
[  882.991710][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
executing program
[  883.073767][T14076] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.104807][T14083] loop2: detected capacity change from 0 to 2048
[  883.122714][T14083] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.122761][T14079] loop5: detected capacity change from 0 to 2048
[  883.159545][T14085] loop0: detected capacity change from 0 to 2048
[  883.170408][T14085] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.183022][T14084] loop1: detected capacity change from 0 to 2048
[  883.185340][T14079] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.194787][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  883.216468][T14084] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  883.320282][T14095] loop2: detected capacity change from 0 to 2048
[  883.349743][T14095] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  883.451897][T14099] loop3: detected capacity change from 0 to 2048
[  883.477019][T14105] loop5: detected capacity change from 0 to 2048
[  883.488763][T14099] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  883.509942][T14105] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.515490][T14104] loop0: detected capacity change from 0 to 2048
[  883.544489][T14104] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.582311][T14108] loop1: detected capacity change from 0 to 2048
[  883.652720][T14108] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  883.721026][T14113] loop2: detected capacity change from 0 to 2048
[  883.775906][T14113] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  883.820437][T14120] loop3: detected capacity change from 0 to 2048
[  883.837639][T14120] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.872263][T14125] loop1: detected capacity change from 0 to 2048
[  883.896187][T14125] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  883.916904][T14123] loop0: detected capacity change from 0 to 2048
[  883.926816][T14123] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  883.932599][T14121] loop5: detected capacity change from 0 to 2048
[  883.948533][T14121] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.019420][T14135] loop2: detected capacity change from 0 to 2048
[  884.030888][T14135] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  884.215985][T14140] loop3: detected capacity change from 0 to 2048
[  884.233600][T14141] loop1: detected capacity change from 0 to 2048
[  884.243141][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  884.256101][T14146] loop0: detected capacity change from 0 to 2048
[  884.266074][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  884.269696][T14140] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.287728][T14149] loop2: detected capacity change from 0 to 2048
[  884.300654][T14141] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.314506][T14147] loop5: detected capacity change from 0 to 2048
[  884.314976][T14146] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.333217][T14147] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.346217][T14149] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  884.571510][T14161] loop1: detected capacity change from 0 to 2048
[  884.585343][T14161] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  884.670552][T14164] loop5: detected capacity change from 0 to 2048
[  884.682584][T14165] loop3: detected capacity change from 0 to 2048
[  884.698943][T14164] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.702938][T14167] loop0: detected capacity change from 0 to 2048
executing program
[  884.723096][T14165] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.735158][T14167] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.750223][T14170] loop2: detected capacity change from 0 to 2048
executing program
[  884.770798][T14173] loop1: detected capacity change from 0 to 2048
[  884.781818][T14173] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.797222][T14170] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  884.867869][T14184] loop5: detected capacity change from 0 to 2048
executing program
[  884.912986][T14187] loop3: detected capacity change from 0 to 2048
[  884.934906][T14187] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.952519][T14189] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  884.961450][T14189] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  884.961449][T14184] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.019209][T14192] loop0: detected capacity change from 0 to 2048
[  885.040574][T14195] loop1: detected capacity change from 0 to 2048
[  885.041969][T14192] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  885.049152][T14195] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  885.190696][T14207] loop2: detected capacity change from 0 to 2048
[  885.229537][T14211] loop0: detected capacity change from 0 to 2048
executing program
[  885.236389][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  885.254395][T14207] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.254969][T14209] loop3: detected capacity change from 0 to 2048
[  885.286372][T14203] loop5: detected capacity change from 0 to 2048
[  885.292122][T14213] loop1: detected capacity change from 0 to 2048
[  885.301173][T14211] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.314836][T14209] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.326492][T14213] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.339696][T14203] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  885.581789][T14232] loop3: detected capacity change from 0 to 2048
[  885.597596][T14232] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.607352][T14225] loop2: detected capacity change from 0 to 2048
[  885.631981][T14231] loop0: detected capacity change from 0 to 2048
[  885.650553][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  885.650604][T14233] loop1: detected capacity change from 0 to 2048
[  885.669384][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  885.691639][T14231] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.703627][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  885.707275][T14225] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.714655][ T5146] buffer_io_error: 103 callbacks suppressed
[  885.714671][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  885.732010][T14235] loop5: detected capacity change from 0 to 2048
[  885.738625][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  885.757466][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  885.768149][T14235] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  885.785191][T14233] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  885.837711][T14245] loop3: detected capacity change from 0 to 2048
[  885.860786][T14245] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  886.014855][T14254] loop5: detected capacity change from 0 to 2048
[  886.036251][T14254] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.065725][T14255] loop1: detected capacity change from 0 to 2048
[  886.088111][T14255] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.115950][T14250] loop0: detected capacity change from 0 to 2048
[  886.126229][T14250] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.134864][T14256] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  886.160569][T14256] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.251417][T14262] loop3: detected capacity change from 0 to 2048
[  886.264222][T14262] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  886.312302][T14265] loop5: detected capacity change from 0 to 2048
[  886.325753][T14265] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  886.464732][T14271] loop1: detected capacity change from 0 to 2048
[  886.469630][T14275] loop2: detected capacity change from 0 to 2048
[  886.478526][T14271] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.483513][T14278] loop0: detected capacity change from 0 to 2048
[  886.498321][T14278] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.541128][T14275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  886.587410][T14284] loop3: detected capacity change from 0 to 2048
[  886.616701][T14284] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.623469][T14283] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  886.655368][T14283] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.698207][T14291] loop1: detected capacity change from 0 to 2048
[  886.737029][T14298] loop2: detected capacity change from 0 to 2048
executing program
[  886.737188][T14291] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.763333][T14298] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.776962][T14297] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  886.838748][T14302] loop3: detected capacity change from 0 to 2048
[  886.844280][T14297] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  886.861975][T14302] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  886.961181][T14311] loop2: detected capacity change from 0 to 2048
[  886.991939][T14314] loop1: detected capacity change from 0 to 2048
executing program
[  887.000599][T14311] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  887.010951][T14312] loop5: detected capacity change from 0 to 2048
[  887.026938][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  887.053887][T14312] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  887.068293][T14314] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  887.099807][T14320] loop3: detected capacity change from 0 to 2048
[  887.131135][T14318] loop0: detected capacity change from 0 to 2048
[  887.132377][T14320] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  887.153514][T14318] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  887.252044][T14330] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  887.308414][T14330] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  887.385129][T14338] loop5: detected capacity change from 0 to 2048
[  887.386324][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  887.471348][T14337] loop0: detected capacity change from 0 to 2048
[  887.483705][T14337] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  887.492591][T14338] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  887.524485][T14333] loop1: detected capacity change from 0 to 2048
[  887.527523][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  887.547943][T14342] loop3: detected capacity change from 0 to 2048
[  887.558755][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  887.589332][T14342] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  887.602791][T14333] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  887.607894][T14345] loop2: detected capacity change from 0 to 2048
[  887.628784][T14345] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  887.745449][T14353] loop0: detected capacity change from 0 to 2048
[  887.782172][T14353] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  887.835155][T14360] loop5: detected capacity change from 0 to 2048
[  887.868443][T14360] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  887.997777][T14362] loop3: detected capacity change from 0 to 2048
[  888.012081][T14364] loop2: detected capacity change from 0 to 2048
executing program
[  888.048352][T14362] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.049618][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  888.070130][T14366] loop1: detected capacity change from 0 to 2048
[  888.092663][T14366] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.102574][T14372] loop5: detected capacity change from 0 to 2048
[  888.107128][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  888.120448][T14364] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.129193][T14374] loop0: detected capacity change from 0 to 2048
[  888.138930][T14372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.161978][T14374] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  888.404389][T14390] loop3: detected capacity change from 0 to 2048
[  888.416771][T14393] loop5: detected capacity change from 0 to 2048
[  888.422425][T14391] loop0: detected capacity change from 0 to 2048
[  888.430452][T14395] loop1: detected capacity change from 0 to 2048
[  888.439338][T14393] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.453370][T14391] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.455355][T14396] loop2: detected capacity change from 0 to 2048
[  888.466950][T14395] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.492140][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  888.501987][T14390] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.503961][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  888.523444][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  888.542515][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  888.580378][T14396] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  888.731147][T14411] loop5: detected capacity change from 0 to 2048
[  888.755939][T14411] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.819163][T14409] loop1: detected capacity change from 0 to 2048
[  888.862297][T14409] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.863541][T14415] loop2: detected capacity change from 0 to 2048
[  888.877280][T14416] loop3: detected capacity change from 0 to 2048
[  888.890732][T14417] loop0: detected capacity change from 0 to 2048
executing program
[  888.909040][T14415] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.923271][T14416] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  888.935549][T14417] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  888.982096][T14426] loop5: detected capacity change from 0 to 2048
[  888.998354][T14426] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  889.068645][T14431] loop1: detected capacity change from 0 to 2048
[  889.077328][T14431] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  889.181305][T14438] loop0: detected capacity change from 0 to 2048
[  889.192111][T14438] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  889.208061][T14440] loop3: detected capacity change from 0 to 2048
[  889.218386][T14440] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  889.276258][T14437] loop2: detected capacity change from 0 to 2048
[  889.289417][T14444] loop1: detected capacity change from 0 to 2048
[  889.309302][T14444] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  889.326695][T14437] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  889.402955][T14447] loop5: detected capacity change from 0 to 2048
[  889.412195][T14447] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  889.484256][T14452] loop3: detected capacity change from 0 to 2048
[  889.494626][T14452] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  889.615046][T14460] loop0: detected capacity change from 0 to 2048
[  889.622949][T14464] loop2: detected capacity change from 0 to 2048
[  889.652451][T14460] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  889.653368][T14464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  889.719727][T14467] loop1: detected capacity change from 0 to 2048
[  889.721441][T14468] loop5: detected capacity change from 0 to 2048
[  889.730416][T14469] loop3: detected capacity change from 0 to 2048
[  889.752654][T14467] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  889.755740][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  889.781724][T14468] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  889.802718][T14469] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  889.985336][T14481] loop0: detected capacity change from 0 to 2048
[  890.008902][T14481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.050375][T14486] loop3: detected capacity change from 0 to 2048
[  890.060840][T14487] loop5: detected capacity change from 0 to 2048
[  890.069615][T14483] loop2: detected capacity change from 0 to 2048
[  890.076782][T14486] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.096091][T14487] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.118256][T14489] loop1: detected capacity change from 0 to 2048
[  890.119085][T14483] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  890.156313][T14489] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  890.341596][T14497] loop0: detected capacity change from 0 to 2048
[  890.347818][T14505] loop2: detected capacity change from 0 to 2048
[  890.351599][T14497] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.366313][T14505] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.368607][T14502] loop3: detected capacity change from 0 to 2048
[  890.400579][ T5156] blk_print_req_error: 9 callbacks suppressed
[  890.400596][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  890.401931][T14508] loop1: detected capacity change from 0 to 2048
[  890.410989][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  890.421917][T14502] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.445829][T14508] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.454423][T14509] loop5: detected capacity change from 0 to 2048
[  890.479540][T14509] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  890.598183][T14521] loop0: detected capacity change from 0 to 2048
[  890.625222][T14521] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  890.671549][T14523] loop2: detected capacity change from 0 to 2048
[  890.716005][T14523] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.717618][T14529] loop3: detected capacity change from 0 to 2048
[  890.755974][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  890.757514][T14527] loop5: detected capacity change from 0 to 2048
[  890.766293][T14525] loop1: detected capacity change from 0 to 2048
[  890.778728][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  890.785585][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  890.790854][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  890.815439][T14527] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.831511][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  890.865327][T14533] loop0: detected capacity change from 0 to 2048
[  890.867793][T14525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.885184][T14533] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  890.898788][T14529] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  891.111940][T14547] loop0: detected capacity change from 0 to 2048
[  891.126406][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  891.156851][T14549] loop1: detected capacity change from 0 to 2048
[  891.180710][T14547] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.186896][T14545] loop2: detected capacity change from 0 to 2048
[  891.199454][T14549] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.212979][T14545] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.238288][T14552] loop5: detected capacity change from 0 to 2048
[  891.246409][T14553] loop3: detected capacity change from 0 to 2048
[  891.268205][T14553] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.287763][T14552] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  891.426743][T14567] loop1: detected capacity change from 0 to 2048
[  891.446876][T14567] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.471475][T14568] loop0: detected capacity change from 0 to 2048
[  891.492773][T14568] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.514818][T14569] loop2: detected capacity change from 0 to 2048
executing program
[  891.535458][T14572] loop3: detected capacity change from 0 to 2048
[  891.546058][T14572] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.552659][T14573] loop5: detected capacity change from 0 to 2048
[  891.565577][T14569] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.600287][T14573] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.637124][T14581] loop1: detected capacity change from 0 to 2048
[  891.655605][T14581] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  891.794752][T14595] loop2: detected capacity change from 0 to 2048
[  891.811674][T14595] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  891.848032][T14596] loop1: detected capacity change from 0 to 2048
[  891.858774][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  891.889375][T14590] loop0: detected capacity change from 0 to 2048
[  891.898317][T14590] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.911606][T14596] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.915772][T14593] loop3: detected capacity change from 0 to 2048
executing program
[  891.933646][T14598] loop5: detected capacity change from 0 to 2048
[  891.954879][T14593] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  891.993788][T14604] loop2: detected capacity change from 0 to 2048
[  891.995030][T14598] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.013611][T14604] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  892.114785][T14614] loop1: detected capacity change from 0 to 2048
[  892.125021][T14614] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  892.183134][T14616] loop0: detected capacity change from 0 to 2048
[  892.205042][T14616] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  892.258234][T14618] loop5: detected capacity change from 0 to 2048
[  892.287440][T14618] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.317142][T14622] loop2: detected capacity change from 0 to 2048
[  892.339083][T14627] loop1: detected capacity change from 0 to 2048
[  892.347814][T14627] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.352314][T14624] loop3: detected capacity change from 0 to 2048
executing program
[  892.365161][T14622] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.427996][T14624] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.451670][T14635] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  892.514416][T14635] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.549223][T14639] loop5: detected capacity change from 0 to 2048
[  892.564652][T14639] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.579930][T14642] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  892.606085][T14642] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  892.713343][T14647] loop2: detected capacity change from 0 to 2048
[  892.723288][T14647] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  892.795934][T14655] loop3: detected capacity change from 0 to 2048
[  892.808770][T14655] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  892.847599][T14658] loop0: detected capacity change from 0 to 2048
[  892.850733][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  892.882527][T14658] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  892.917059][T14661] loop1: detected capacity change from 0 to 2048
[  892.931820][T14661] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  893.029733][T14662] loop5: detected capacity change from 0 to 2048
[  893.083048][T14662] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.116362][T14674] loop2: detected capacity change from 0 to 2048
executing program
[  893.125811][T14674] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.151388][T14676] loop1: detected capacity change from 0 to 2048
[  893.174148][T14676] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.174446][T14671] loop3: detected capacity change from 0 to 2048
[  893.202772][T14673] loop0: detected capacity change from 0 to 2048
[  893.218355][T14671] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  893.245589][T14673] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  893.333034][T14689] loop5: detected capacity change from 0 to 2048
[  893.348713][T14689] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  893.385539][T14692] loop1: detected capacity change from 0 to 2048
[  893.393888][T14687] loop2: detected capacity change from 0 to 2048
[  893.422597][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  893.434400][T14687] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  893.483112][T14692] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.494978][T14696] loop3: detected capacity change from 0 to 2048
executing program
[  893.534407][T14696] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.549988][T14700] loop0: detected capacity change from 0 to 2048
[  893.568383][T14700] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  893.656611][T14704] loop2: detected capacity change from 0 to 2048
[  893.666493][T14704] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  893.729966][T14711] loop1: detected capacity change from 0 to 2048
[  893.738920][T14711] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.794640][T14712] loop5: detected capacity change from 0 to 2048
[  893.826059][T14716] loop3: detected capacity change from 0 to 2048
executing program
[  893.848709][T14717] loop0: detected capacity change from 0 to 2048
[  893.862248][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  893.871024][T14712] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.895853][T14716] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.905457][T14722] loop1: detected capacity change from 0 to 2048
[  893.918283][T14722] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  893.930453][T14717] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  894.012784][T14730] loop2: detected capacity change from 0 to 2048
[  894.033373][T14730] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  894.081107][T14734] loop5: detected capacity change from 0 to 2048
[  894.111929][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  894.163649][T14734] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  894.254853][T14739] loop1: detected capacity change from 0 to 2048
[  894.261182][T14742] loop3: detected capacity change from 0 to 2048
[  894.262724][T14740] loop0: detected capacity change from 0 to 2048
[  894.298237][T14742] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  894.304488][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  894.326411][T14740] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  894.346142][T14739] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  894.401133][T14745] loop2: detected capacity change from 0 to 2048
[  894.424958][T14745] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  894.425005][T14748] loop5: detected capacity change from 0 to 2048
[  894.442131][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  894.451644][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  894.459914][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  894.468171][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  894.479133][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  894.487259][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  894.510100][T14748] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  894.580568][T14761] loop2: detected capacity change from 0 to 2048
[  894.609571][T14761] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  894.673570][T14765] loop3: detected capacity change from 0 to 2048
[  894.680387][T14767] loop0: detected capacity change from 0 to 2048
[  894.689845][T14766] loop1: detected capacity change from 0 to 2048
[  894.701934][T14771] loop5: detected capacity change from 0 to 2048
[  894.708987][T14767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  894.722125][T14765] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  894.736035][T14766] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  894.755466][T14771] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  894.781684][T14773] loop2: detected capacity change from 0 to 2048
[  894.810406][T14773] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  894.846166][T14781] loop0: detected capacity change from 0 to 2048
[  894.875731][T14781] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  895.039203][T14795] loop2: detected capacity change from 0 to 2048
[  895.049423][T14787] loop3: detected capacity change from 0 to 2048
[  895.057481][T14795] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.066178][T14794] loop1: detected capacity change from 0 to 2048
[  895.103651][T14787] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.119149][T14793] loop5: detected capacity change from 0 to 2048
[  895.139770][T14794] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.159295][T14793] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.177553][T14797] loop0: detected capacity change from 0 to 2048
[  895.202370][T14797] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  895.425883][T14809] loop2: detected capacity change from 0 to 2048
[  895.441405][T14814] loop3: detected capacity change from 0 to 2048
[  895.449555][T14813] loop5: detected capacity change from 0 to 2048
[  895.454930][T14815] loop0: detected capacity change from 0 to 2048
[  895.469318][T14809] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.476115][ T5175] blk_print_req_error: 42 callbacks suppressed
[  895.476131][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  895.485194][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  895.489754][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  895.517319][T14817] loop1: detected capacity change from 0 to 2048
[  895.524366][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  895.536251][T14817] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.549008][T14813] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.549709][T14814] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.561146][T14815] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  895.695327][T14829] loop2: detected capacity change from 0 to 2048
executing program
[  895.735325][T14829] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  895.814240][T14831] loop3: detected capacity change from 0 to 2048
[  895.834350][T14831] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.847969][T14835] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  895.857181][T14835] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  895.907519][T14837] loop1: detected capacity change from 0 to 2048
[  895.919012][T14837] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  895.966939][T14839] loop0: detected capacity change from 0 to 2048
[  895.983511][T14839] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  896.019906][T14845] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  896.081727][T14845] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  896.164612][T14849] loop3: detected capacity change from 0 to 2048
[  896.189581][T14849] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  896.214991][T14860] loop0: detected capacity change from 0 to 2048
[  896.226052][T14852] loop5: detected capacity change from 0 to 2048
[  896.226424][T14860] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  896.252196][T14852] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  896.265377][T14853] loop1: detected capacity change from 0 to 2048
[  896.292382][T14853] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  896.318217][T14862] loop2: detected capacity change from 0 to 2048
[  896.345686][T14862] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  896.502092][T14873] loop0: detected capacity change from 0 to 2048
[  896.523687][T14873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  896.573640][T14880] loop3: detected capacity change from 0 to 2048
[  896.630291][T14880] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  896.653664][T14878] loop5: detected capacity change from 0 to 2048
[  896.664941][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  896.684692][T14884] loop2: detected capacity change from 0 to 2048
[  896.693874][T14882] loop1: detected capacity change from 0 to 2048
[  896.695135][T14884] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  896.716394][T14882] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  896.728365][T14878] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  896.817074][T14896] loop0: detected capacity change from 0 to 2048
[  896.838437][T14896] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  896.937302][T14905] loop5: detected capacity change from 0 to 2048
[  896.951062][T14905] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  896.959812][T14899] loop3: detected capacity change from 0 to 2048
[  896.969781][T14904] loop2: detected capacity change from 0 to 2048
[  896.980606][T14902] loop1: detected capacity change from 0 to 2048
[  896.990573][T14899] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.005421][T14902] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.023957][T14904] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.047982][T14908] loop0: detected capacity change from 0 to 2048
[  897.068592][T14908] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  897.339776][T14928] loop2: detected capacity change from 0 to 2048
[  897.365080][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  897.372425][T14930] loop3: detected capacity change from 0 to 2048
[  897.393043][T14925] loop0: detected capacity change from 0 to 2048
[  897.400516][T14930] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.405971][T14927] loop1: detected capacity change from 0 to 2048
[  897.418538][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  897.423872][T14929] loop5: detected capacity change from 0 to 2048
[  897.435369][T14928] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.447809][T14925] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.460182][T14929] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.461690][T14927] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  897.643231][T14944] loop0: detected capacity change from 0 to 2048
[  897.673668][T14942] loop3: detected capacity change from 0 to 2048
[  897.674393][T14944] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.710188][T14948] loop2: detected capacity change from 0 to 2048
[  897.712798][T14947] loop5: detected capacity change from 0 to 2048
[  897.723939][T14942] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.736692][T14947] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.741417][T14950] loop1: detected capacity change from 0 to 2048
[  897.755796][T14948] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  897.822676][T14950] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  897.941718][T14962] loop0: detected capacity change from 0 to 2048
[  897.966495][T14962] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  898.018442][T14965] loop2: detected capacity change from 0 to 2048
[  898.028128][T14965] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.087851][T14970] loop3: detected capacity change from 0 to 2048
[  898.110222][T14970] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  898.168559][T14966] loop5: detected capacity change from 0 to 2048
[  898.192864][T14966] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.239474][T14972] loop1: detected capacity change from 0 to 2048
[  898.259052][T14972] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  898.316367][T14980] loop2: detected capacity change from 0 to 2048
[  898.339483][T14980] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.343297][T14981] loop3: detected capacity change from 0 to 2048
[  898.365146][T14981] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.390294][T14982] loop0: detected capacity change from 0 to 2048
[  898.405157][T14988] loop5: detected capacity change from 0 to 2048
executing program
[  898.414682][T14988] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.441266][T14982] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.469790][T14990] loop1: detected capacity change from 0 to 2048
[  898.489081][T14990] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  898.659304][T15005] loop5: detected capacity change from 0 to 2048
[  898.675179][T15006] loop2: detected capacity change from 0 to 2048
[  898.712312][T15005] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.720919][T15010] loop1: detected capacity change from 0 to 2048
[  898.732293][T15006] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.739721][T15003] loop3: detected capacity change from 0 to 2048
[  898.750721][T15010] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.764522][T15009] loop0: detected capacity change from 0 to 2048
[  898.771407][T15003] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  898.784301][T15009] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  898.974398][T15025] loop2: detected capacity change from 0 to 2048
[  898.993243][T15025] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.014972][T15022] loop5: detected capacity change from 0 to 2048
[  899.045974][T15022] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  899.099931][T15027] loop3: detected capacity change from 0 to 2048
[  899.119424][T15030] loop1: detected capacity change from 0 to 2048
[  899.127747][T15029] loop0: detected capacity change from 0 to 2048
[  899.141072][T15030] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.154817][T15029] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.176367][T15034] loop2: detected capacity change from 0 to 2048
[  899.180773][T15027] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.199286][T15034] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  899.309297][T15046] loop5: detected capacity change from 0 to 2048
[  899.318183][T15046] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.359186][T15048] loop0: detected capacity change from 0 to 2048
[  899.391096][T15048] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  899.495748][T15053] loop2: detected capacity change from 0 to 2048
[  899.507587][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  899.546550][T15062] loop0: detected capacity change from 0 to 2048
[  899.555201][T15053] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.570893][T15062] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.591352][T15059] loop5: detected capacity change from 0 to 2048
[  899.602463][T15059] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.604479][T15060] loop3: detected capacity change from 0 to 2048
[  899.620798][T15058] loop1: detected capacity change from 0 to 2048
[  899.632651][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  899.636609][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  899.652461][ T5139] buffer_io_error: 23 callbacks suppressed
[  899.652800][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  899.667559][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  899.675668][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  899.686743][T15058] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.688204][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  899.706693][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  899.714914][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  899.723073][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  899.731350][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
executing program
[  899.744251][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  899.752570][ T5175] Buffer I/O error on dev loop3, logical block 3, async page read
[  899.781263][T15060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  899.802333][T15071] loop2: detected capacity change from 0 to 2048
[  899.824485][T15071] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  899.846032][T15075] loop0: detected capacity change from 0 to 2048
[  899.860631][T15077] loop5: detected capacity change from 0 to 2048
[  899.877383][T15077] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  899.913079][T15075] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  899.993038][T15087] loop1: detected capacity change from 0 to 2048
[  900.013421][T15087] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.024964][T15089] loop3: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  900.055899][T15089] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.109632][T15092] loop0: detected capacity change from 0 to 2048
[  900.120173][T15092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  900.208302][T15094] loop2: detected capacity change from 0 to 2048
[  900.212965][T15097] loop5: detected capacity change from 0 to 2048
[  900.224463][T15097] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  900.259723][T15094] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.309316][T15101] loop1: detected capacity change from 0 to 2048
executing program
[  900.355668][T15105] loop3: detected capacity change from 0 to 2048
[  900.364899][T15109] loop0: detected capacity change from 0 to 2048
[  900.367848][T15101] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.387160][T15109] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.406159][T15105] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  900.461310][T15113] loop5: detected capacity change from 0 to 2048
[  900.515504][T15113] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  900.592648][T15118] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  900.640787][T15118] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.650730][T15121] loop0: detected capacity change from 0 to 2048
[  900.690609][T15121] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.697041][T15127] loop1: detected capacity change from 0 to 2048
[  900.735887][T15130] loop3: detected capacity change from 0 to 2048
[  900.747755][ T5205] blk_print_req_error: 11 callbacks suppressed
[  900.747773][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  900.751465][T15131] loop5: detected capacity change from 0 to 2048
[  900.769909][T15130] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  900.788852][T15127] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.803110][T15131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  900.826239][T15136] loop2: detected capacity change from 0 to 2048
executing program
[  900.858610][T15136] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  900.940028][T15147] loop0: detected capacity change from 0 to 2048
[  900.960942][T15147] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  901.064585][T15152] loop5: detected capacity change from 0 to 2048
[  901.078981][T15156] loop3: detected capacity change from 0 to 2048
[  901.091151][T15152] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  901.104958][T15156] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.114654][T15157] loop1: detected capacity change from 0 to 2048
[  901.122971][T15159] loop2: detected capacity change from 0 to 2048
[  901.130931][T15157] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.147603][T15159] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.157259][T15161] loop0: detected capacity change from 0 to 2048
[  901.197111][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  901.275824][T15161] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  901.389492][T15174] loop2: detected capacity change from 0 to 2048
[  901.416043][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  901.471991][T15176] loop5: detected capacity change from 0 to 2048
[  901.484632][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  901.497690][T15174] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.539576][T15179] loop1: detected capacity change from 0 to 2048
[  901.540831][T15182] loop3: detected capacity change from 0 to 2048
[  901.549987][T15183] loop0: detected capacity change from 0 to 2048
[  901.565831][T15176] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.579887][T15179] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.593993][T15182] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.593992][T15183] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  901.778038][T15197] loop2: detected capacity change from 0 to 2048
[  901.808165][T15199] loop5: detected capacity change from 0 to 2048
executing program
[  901.827166][T15199] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.838600][T15197] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.846961][T15195] loop3: detected capacity change from 0 to 2048
executing program
[  901.899254][T15195] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  901.914506][T15203] loop0: detected capacity change from 0 to 2048
[  901.925727][T15203] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  902.056839][T15213] loop2: detected capacity change from 0 to 2048
[  902.067738][T15213] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.076095][T15210] loop1: detected capacity change from 0 to 2048
[  902.091462][T15210] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  902.109812][T15215] loop5: detected capacity change from 0 to 2048
[  902.125261][T15215] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  902.160560][T15217] loop3: detected capacity change from 0 to 2048
[  902.200281][T15217] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.219206][T15223] loop0: detected capacity change from 0 to 2048
[  902.223337][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  902.279337][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  902.288992][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  902.298866][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  902.308753][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  902.329426][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
executing program
[  902.370679][T15223] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.410377][T15229] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  902.431869][T15229] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  902.515762][T15238] loop1: detected capacity change from 0 to 2048
[  902.546158][T15232] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  902.559575][T15238] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.571970][T15232] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.635768][T15239] loop2: detected capacity change from 0 to 2048
[  902.672616][T15245] loop0: detected capacity change from 0 to 2048
executing program
[  902.684899][T15245] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.698278][T15239] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  902.737590][T15253] loop1: detected capacity change from 0 to 2048
[  902.746260][T15253] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.757144][T15248] loop5: detected capacity change from 0 to 2048
executing program
[  902.794542][T15248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.817141][T15260] loop3: detected capacity change from 0 to 2048
[  902.827930][T15260] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  902.915544][T15264] loop2: detected capacity change from 0 to 2048
[  902.964692][T15264] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  902.985248][T15272] loop5: detected capacity change from 0 to 2048
[  903.023999][T15274] loop1: detected capacity change from 0 to 2048
[  903.032105][T15272] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.044053][T15274] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.067886][T15275] loop3: detected capacity change from 0 to 2048
executing program
[  903.083405][T15275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.089553][T15273] loop0: detected capacity change from 0 to 2048
executing program
[  903.125975][T15273] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.154388][T15283] loop2: detected capacity change from 0 to 2048
[  903.164604][T15283] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  903.272367][T15288] loop1: detected capacity change from 0 to 2048
[  903.292845][T15288] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.298692][T15292] loop5: detected capacity change from 0 to 2048
executing program
[  903.313286][T15292] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.335485][T15295] loop3: detected capacity change from 0 to 2048
[  903.346316][T15297] loop0: detected capacity change from 0 to 2048
[  903.357950][T15295] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.377243][T15301] loop2: detected capacity change from 0 to 2048
[  903.392592][T15297] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.411868][T15301] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  903.608270][T15316] loop3: detected capacity change from 0 to 2048
[  903.619595][T15316] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.624991][T15309] loop1: detected capacity change from 0 to 2048
[  903.667878][T15309] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.706187][T15314] loop5: detected capacity change from 0 to 2048
executing program
[  903.733230][T15321] loop2: detected capacity change from 0 to 2048
[  903.762725][T15321] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.781775][T15314] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.796716][T15317] loop0: detected capacity change from 0 to 2048
[  903.826153][T15317] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  903.850955][T15325] loop3: detected capacity change from 0 to 2048
executing program
[  903.885170][T15325] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  904.048411][T15333] loop1: detected capacity change from 0 to 2048
[  904.078639][T15337] loop0: detected capacity change from 0 to 2048
[  904.121921][T15340] loop5: detected capacity change from 0 to 2048
[  904.132796][T15333] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.148362][T15338] loop2: detected capacity change from 0 to 2048
[  904.180293][T15340] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.180887][T15337] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.207825][T15338] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.267896][T15343] loop3: detected capacity change from 0 to 2048
[  904.313640][T15343] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  904.532304][T15358] loop2: detected capacity change from 0 to 2048
[  904.535865][T15360] loop1: detected capacity change from 0 to 2048
[  904.546359][T15358] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.564981][T15357] loop5: detected capacity change from 0 to 2048
[  904.602562][T15363] loop3: detected capacity change from 0 to 2048
[  904.610004][T15360] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.615410][T15365] loop0: detected capacity change from 0 to 2048
[  904.631260][T15357] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.653874][T15363] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.666818][T15365] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  904.864065][T15380] loop2: detected capacity change from 0 to 2048
[  904.884065][T15385] loop0: detected capacity change from 0 to 2048
[  904.895668][T15386] loop3: detected capacity change from 0 to 2048
[  904.904654][T15385] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.904775][T15380] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.932389][T15386] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.949289][T15384] loop1: detected capacity change from 0 to 2048
[  904.953680][T15387] loop5: detected capacity change from 0 to 2048
[  904.967824][T15384] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  904.992643][T15387] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  905.123447][T15401] loop3: detected capacity change from 0 to 2048
executing program
[  905.167890][T15401] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  905.178970][T15400] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  905.208158][T15400] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  905.222575][T15405] loop1: detected capacity change from 0 to 2048
[  905.242019][T15405] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  905.308911][T15413] loop5: detected capacity change from 0 to 2048
[  905.330685][T15413] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  905.418340][T15412] loop2: detected capacity change from 0 to 2048
[  905.437861][T15418] loop3: detected capacity change from 0 to 2048
[  905.455854][T15412] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  905.477826][T15420] loop0: detected capacity change from 0 to 2048
[  905.485678][T15418] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  905.502710][T15420] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  905.593977][T15423] loop1: detected capacity change from 0 to 2048
[  905.611360][T15423] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  905.680186][T15425] loop5: detected capacity change from 0 to 2048
[  905.680643][T15433] loop3: detected capacity change from 0 to 2048
[  905.713085][T15433] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  905.731029][T15425] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  905.798486][T15436] loop2: detected capacity change from 0 to 2048
[  905.819057][T15437] loop0: detected capacity change from 0 to 2048
[  905.849139][T15437] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  905.861219][T15436] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  906.040086][T15450] loop3: detected capacity change from 0 to 2048
[  906.052704][T15450] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.068948][T15453] loop5: detected capacity change from 0 to 2048
[  906.078837][T15453] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  906.141536][T15447] loop1: detected capacity change from 0 to 2048
[  906.169079][ T5156] blk_print_req_error: 91 callbacks suppressed
[  906.169097][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  906.180305][T15459] loop2: detected capacity change from 0 to 2048
[  906.209781][T15455] loop0: detected capacity change from 0 to 2048
[  906.229110][T15459] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.241272][T15455] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.267188][T15447] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.273547][T15462] loop3: detected capacity change from 0 to 2048
executing program
[  906.308299][T15462] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.335356][T15466] loop5: detected capacity change from 0 to 2048
[  906.344848][T15466] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  906.543677][T15481] loop2: detected capacity change from 0 to 2048
[  906.566551][T15481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.603087][T15479] loop1: detected capacity change from 0 to 2048
[  906.607119][T15484] loop3: detected capacity change from 0 to 2048
[  906.616618][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  906.634419][T15484] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.657804][T15478] loop0: detected capacity change from 0 to 2048
[  906.673553][T15479] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.677981][T15487] loop5: detected capacity change from 0 to 2048
[  906.697235][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  906.713620][T15478] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.729824][T15487] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  906.841311][T15491] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  906.895231][T15499] loop1: detected capacity change from 0 to 2048
[  906.905274][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  906.922531][T15491] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.940425][T15499] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  906.979456][T15501] loop3: detected capacity change from 0 to 2048
[  907.005716][T15501] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.037084][T15504] loop5: detected capacity change from 0 to 2048
executing program
[  907.049804][T15505] loop0: detected capacity change from 0 to 2048
[  907.065148][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  907.080683][T15505] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.113606][T15504] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.115708][T15511] loop2: detected capacity change from 0 to 2048
[  907.135285][T15511] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  907.325328][T15520] loop3: detected capacity change from 0 to 2048
[  907.346612][T15520] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.382362][T15523] loop1: detected capacity change from 0 to 2048
[  907.404639][T15528] loop0: detected capacity change from 0 to 2048
[  907.419784][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  907.426041][T15529] loop5: detected capacity change from 0 to 2048
[  907.431254][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  907.445711][ T5156] buffer_io_error: 77 callbacks suppressed
[  907.445726][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  907.456272][T15523] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  907.472067][T15529] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.486374][T15528] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.488833][T15527] loop2: detected capacity change from 0 to 2048
[  907.550392][T15539] loop3: detected capacity change from 0 to 2048
[  907.560043][T15527] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.588111][T15539] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  907.675656][T15547] loop0: detected capacity change from 0 to 2048
[  907.688530][T15547] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  907.796806][T15548] loop1: detected capacity change from 0 to 2048
[  907.815437][T15549] loop5: detected capacity change from 0 to 2048
[  907.827711][T15548] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.848704][T15549] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.871056][T15555] loop3: detected capacity change from 0 to 2048
[  907.887370][T15555] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.887910][T15554] loop2: detected capacity change from 0 to 2048
[  907.952004][T15554] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  907.987016][T15557] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  908.013348][T15557] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  908.147415][T15570] loop1: detected capacity change from 0 to 2048
[  908.159126][T15568] loop3: detected capacity change from 0 to 2048
[  908.167919][T15570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  908.184428][T15568] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  908.214012][T15574] loop2: detected capacity change from 0 to 2048
[  908.225483][T15577] loop0: detected capacity change from 0 to 2048
[  908.244738][T15575] loop5: detected capacity change from 0 to 2048
[  908.247575][T15577] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  908.267968][T15574] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  908.286994][T15575] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  908.352958][T15589] loop1: detected capacity change from 0 to 2048
[  908.385397][T15589] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  908.424413][T15593] loop5: detected capacity change from 0 to 2048
[  908.433326][T15593] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  908.480254][T15592] loop3: detected capacity change from 0 to 2048
[  908.516085][T15592] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  908.556779][T15595] loop2: detected capacity change from 0 to 2048
[  908.580520][T15603] loop0: detected capacity change from 0 to 2048
[  908.599176][T15603] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  908.623902][T15595] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  908.646024][T15602] loop1: detected capacity change from 0 to 2048
[  908.661501][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  908.700036][T15606] loop5: detected capacity change from 0 to 2048
[  908.712299][T15606] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  908.712426][T15602] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  908.770562][T15613] loop3: detected capacity change from 0 to 2048
[  908.782117][T15613] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  908.916462][T15619] loop0: detected capacity change from 0 to 2048
[  908.948605][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  908.991318][T15625] loop2: detected capacity change from 0 to 2048
[  909.000810][T15624] loop5: detected capacity change from 0 to 2048
[  909.011663][T15619] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.029702][T15628] loop1: detected capacity change from 0 to 2048
[  909.036791][T15624] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.049075][T15625] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.062033][T15628] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.074645][T15629] loop3: detected capacity change from 0 to 2048
executing program
[  909.102359][T15629] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  909.257253][T15643] loop0: detected capacity change from 0 to 2048
[  909.269864][T15643] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  909.414885][T15645] loop5: detected capacity change from 0 to 2048
[  909.416050][T15649] loop2: detected capacity change from 0 to 2048
[  909.432886][T15649] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.447957][T15648] loop3: detected capacity change from 0 to 2048
[  909.461444][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  909.467840][T15655] loop0: detected capacity change from 0 to 2048
[  909.477688][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  909.480616][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  909.494455][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  909.497427][T15653] loop1: detected capacity change from 0 to 2048
[  909.508967][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  909.513071][T15645] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.536523][T15648] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.550467][T15653] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  909.589505][T15655] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.665247][T15667] loop2: detected capacity change from 0 to 2048
[  909.675209][T15667] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  909.843892][T15673] loop5: detected capacity change from 0 to 2048
[  909.852383][T15675] loop3: detected capacity change from 0 to 2048
[  909.867453][T15674] loop1: detected capacity change from 0 to 2048
[  909.882709][T15673] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  909.898481][ T5205] Buffer I/O error on dev loop1, logical block 0, async page read
[  909.908249][T15675] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.922611][T15674] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.934756][T15677] loop0: detected capacity change from 0 to 2048
[  909.938078][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  909.955116][T15677] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  909.966944][T15679] loop2: detected capacity change from 0 to 2048
[  909.980845][T15674] EXT4-fs mount: 796 callbacks suppressed
[  909.980864][T15674] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  909.981869][T15675] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  909.999268][T15679] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.038552][T15673] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.060620][T15677] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.077599][T15679] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.082118][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  910.111711][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.147563][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.197740][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.210018][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.213533][T15692] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  910.271940][T15692] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  910.345654][T15692] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.371563][T15696] loop5: detected capacity change from 0 to 2048
[  910.385034][T15695] loop3: detected capacity change from 0 to 2048
[  910.401431][T15699] loop0: detected capacity change from 0 to 2048
[  910.411718][T15696] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.422158][T15702] loop2: detected capacity change from 0 to 2048
[  910.430134][T15699] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.442333][T15695] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.444884][T15702] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.469101][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.469835][T15696] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  910.501952][T15699] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.529532][T15695] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.553236][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.572091][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.573680][T15712] loop1: detected capacity change from 0 to 2048
[  910.589462][T15702] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.610367][T15712] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  910.656665][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  910.713083][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.729538][T15712] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[  910.794686][T15718] loop0: detected capacity change from 0 to 2048
[  910.823274][T15718] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.841548][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  910.852351][T15721] loop5: detected capacity change from 0 to 2048
[  910.871050][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  910.883491][T15723] loop3: detected capacity change from 0 to 2048
executing program
[  910.902017][T15718] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  910.915938][T15723] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.924313][T15724] loop2: detected capacity change from 0 to 2048
[  910.945276][T15721] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.959341][T15728] loop1: detected capacity change from 0 to 2048
[  910.966495][T15724] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  910.980146][T15728] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.011089][T15723] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.025515][T15721] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.042722][T15724] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.056514][T15728] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.073172][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  911.115371][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  911.130764][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  911.142275][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
[  911.192145][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  911.194500][T15738] loop0: detected capacity change from 0 to 2048
[  911.213435][T15738] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  911.272370][T15741] loop1: detected capacity change from 0 to 2048
[  911.291376][T15738] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.309238][T15741] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.315952][T15743] loop5: detected capacity change from 0 to 2048
[  911.330024][T15744] loop3: detected capacity change from 0 to 2048
[  911.332581][ T5156] blk_print_req_error: 12 callbacks suppressed
[  911.332596][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  911.350835][T15748] loop2: detected capacity change from 0 to 2048
[  911.361862][T15748] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.374521][T15744] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.387059][T15743] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.404144][T15741] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.407266][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  911.441930][T15748] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.473017][T15744] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.484821][T15743] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  911.523456][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  911.550943][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  911.572387][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  911.588739][T15758] loop0: detected capacity change from 0 to 2048
[  911.601667][T15758] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  911.629400][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  911.658293][T15758] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[  911.720495][T15760] loop5: detected capacity change from 0 to 2048
[  911.730304][T15760] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.756669][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  911.801818][T15770] loop2: detected capacity change from 0 to 2048
[  911.810972][T15770] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.834013][T15767] loop1: detected capacity change from 0 to 2048
executing program
[  911.850213][T15770] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.861977][T15772] loop3: detected capacity change from 0 to 2048
[  911.863260][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  911.876834][T15772] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.918709][T15760] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  911.929735][T15776] loop0: detected capacity change from 0 to 2048
[  911.940217][T15767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.947820][T15776] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  911.975473][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  912.002785][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  912.021995][T15772] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.048313][T15767] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.051121][T15785] loop5: detected capacity change from 0 to 2048
executing program
[  912.070614][T15785] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.113855][T15776] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  912.137641][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  912.138796][T15785] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.175992][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  912.189327][T15788] loop2: detected capacity change from 0 to 2048
[  912.218112][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  912.218468][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  912.239600][T15788] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  912.324982][T15794] loop1: detected capacity change from 0 to 2048
[  912.329189][T15788] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.344608][T15794] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.383571][T15801] loop5: detected capacity change from 0 to 2048
[  912.388311][T15796] loop3: detected capacity change from 0 to 2048
[  912.403126][T15799] loop0: detected capacity change from 0 to 2048
[  912.403144][T15796] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.422541][T15801] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.442436][T15794] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.446693][T15799] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.488083][T15801] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.506066][T15796] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.538126][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  912.551185][T15799] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  912.564403][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  912.606189][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  912.634888][T15812] loop2: detected capacity change from 0 to 2048
executing program
[  912.678594][T15812] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  912.722910][T15814] loop5: detected capacity change from 0 to 2048
[  912.734185][T15814] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.770423][T15818] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  912.823884][T15818] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.826265][T15821] loop0: detected capacity change from 0 to 2048
[  912.836748][T15822] loop1: detected capacity change from 0 to 2048
[  912.848763][T15821] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.883336][T15822] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.899744][T15827] loop2: detected capacity change from 0 to 2048
[  912.910790][T15827] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  912.931514][T15828] loop5: detected capacity change from 0 to 2048
[  912.956852][T15828] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  913.045442][T15838] loop0: detected capacity change from 0 to 2048
[  913.077893][T15838] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  913.082982][T15840] loop3: detected capacity change from 0 to 2048
[  913.101390][ T5139] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  913.168403][T15840] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.179490][T15844] loop1: detected capacity change from 0 to 2048
[  913.184426][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  913.205801][T15845] loop2: detected capacity change from 0 to 2048
[  913.206230][T15844] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.225906][T15845] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  913.501023][T15860] loop5: detected capacity change from 0 to 2048
[  913.515509][T15861] loop1: detected capacity change from 0 to 2048
[  913.519293][T15862] loop0: detected capacity change from 0 to 2048
[  913.538164][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  913.540283][T15860] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.547922][T15865] loop2: detected capacity change from 0 to 2048
[  913.569211][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  913.570641][T15866] loop3: detected capacity change from 0 to 2048
[  913.580721][T15861] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.599610][T15866] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.612760][T15862] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.624629][T15865] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  913.787100][T15882] loop2: detected capacity change from 0 to 2048
[  913.808467][T15882] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.815253][T15878] loop5: detected capacity change from 0 to 2048
[  913.825171][T15883] loop3: detected capacity change from 0 to 2048
[  913.838655][T15883] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.847056][T15884] loop1: detected capacity change from 0 to 2048
[  913.866194][T15878] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.868448][T15886] loop0: detected capacity change from 0 to 2048
[  913.888922][T15884] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  913.901794][T15886] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  914.066723][T15898] loop2: detected capacity change from 0 to 2048
[  914.098635][T15898] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.101560][T15901] loop3: detected capacity change from 0 to 2048
[  914.129077][T15902] loop0: detected capacity change from 0 to 2048
[  914.149850][T15902] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.165836][T15901] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.170098][T15906] loop5: detected capacity change from 0 to 2048
[  914.178979][T15905] loop1: detected capacity change from 0 to 2048
[  914.190434][T15906] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.203585][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  914.223654][T15905] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  914.391341][T15920] loop2: detected capacity change from 0 to 2048
[  914.402765][T15920] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  914.497634][T15918] loop0: detected capacity change from 0 to 2048
[  914.508366][T15918] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.528754][T15926] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  914.537623][T15926] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.637082][T15924] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  914.683296][T15930] loop5: detected capacity change from 0 to 2048
[  914.695745][T15930] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.699754][T15929] loop2: detected capacity change from 0 to 2048
[  914.716162][T15924] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.761023][T15929] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.805216][T15937] loop0: detected capacity change from 0 to 2048
[  914.822956][T15937] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  914.863147][T15938] loop3: detected capacity change from 0 to 2048
[  914.871983][T15938] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  914.944691][T15948] loop5: detected capacity change from 0 to 2048
[  914.953071][T15948] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  914.982614][T15947] loop1: detected capacity change from 0 to 2048
executing program
[  914.990614][ T5139] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  915.051044][T15947] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  915.116591][T15956] loop2: detected capacity change from 0 to 2048
[  915.121961][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  915.161466][T15956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  915.244228][T15960] loop3: detected capacity change from 0 to 2048
[  915.262451][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  915.292361][T15964] loop0: detected capacity change from 0 to 2048
[  915.305724][T15960] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  915.339588][T15970] loop1: detected capacity change from 0 to 2048
[  915.341272][T15966] loop5: detected capacity change from 0 to 2048
[  915.359382][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  915.359947][T15970] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  915.389251][T15966] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  915.405973][T15964] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  915.422182][T15972] loop2: detected capacity change from 0 to 2048
[  915.431301][T15972] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  915.520100][T15984] loop3: detected capacity change from 0 to 2048
[  915.558534][T15984] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  915.621570][T15989] loop2: detected capacity change from 0 to 2048
[  915.630873][T15989] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  915.696284][T15987] loop5: detected capacity change from 0 to 2048
[  915.700829][T15993] loop0: detected capacity change from 0 to 2048
[  915.708011][T15994] loop1: detected capacity change from 0 to 2048
[  915.716250][T15987] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  915.728574][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  915.740118][T15994] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  915.749770][T15998] loop3: detected capacity change from 0 to 2048
[  915.763095][T15998] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  915.775520][T15993] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  915.958756][T16006] loop2: detected capacity change from 0 to 2048
[  915.978644][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  915.988442][T16010] loop5: detected capacity change from 0 to 2048
[  916.000540][T16012] loop1: detected capacity change from 0 to 2048
[  916.005355][T16010] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.019942][T16006] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.053174][T16012] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.064740][T16016] loop0: detected capacity change from 0 to 2048
[  916.072075][T16016] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  916.117230][T16015] loop3: detected capacity change from 0 to 2048
[  916.138839][T16015] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  916.342982][T16033] loop5: detected capacity change from 0 to 2048
[  916.359747][T16033] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.438996][T16036] loop3: detected capacity change from 0 to 2048
[  916.448344][T16035] loop0: detected capacity change from 0 to 2048
[  916.450551][ T5146] blk_print_req_error: 6 callbacks suppressed
[  916.450569][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  916.475686][T16031] loop2: detected capacity change from 0 to 2048
[  916.484871][T16031] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.499351][T16038] loop1: detected capacity change from 0 to 2048
[  916.511871][T16036] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  916.546874][T16038] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.583452][T16035] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  916.717705][T16046] loop5: detected capacity change from 0 to 2048
[  916.739945][T16046] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.752820][T16056] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  916.773167][T16056] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.801861][T16054] loop2: detected capacity change from 0 to 2048
[  916.840668][T16059] loop3: detected capacity change from 0 to 2048
[  916.850216][T16054] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  916.862491][T16059] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  916.927905][T16060] loop0: detected capacity change from 0 to 2048
executing program
[  916.990052][T16060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.025721][T16074] loop2: detected capacity change from 0 to 2048
executing program
[  917.035592][T16074] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.097360][T16070] loop1: detected capacity change from 0 to 2048
[  917.104610][T16071] loop5: detected capacity change from 0 to 2048
[  917.123179][T16070] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.141233][T16078] loop3: detected capacity change from 0 to 2048
executing program
[  917.150682][T16078] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.185460][T16071] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  917.275504][T16084] loop0: detected capacity change from 0 to 2048
[  917.312302][T16093] loop2: detected capacity change from 0 to 2048
executing program
[  917.321365][T16093] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.357509][T16084] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.369238][T16092] loop1: detected capacity change from 0 to 2048
[  917.382654][T16092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.405287][T16096] loop5: detected capacity change from 0 to 2048
[  917.435950][T16094] loop3: detected capacity change from 0 to 2048
[  917.457234][T16096] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  917.500170][T16094] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  917.583093][T16104] loop2: detected capacity change from 0 to 2048
[  917.606949][T16106] loop0: detected capacity change from 0 to 2048
executing program
[  917.626760][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  917.637623][T16104] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  917.694938][T16106] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  917.745246][T16111] loop1: detected capacity change from 0 to 2048
[  917.773568][T16111] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  917.794527][T16116] loop3: detected capacity change from 0 to 2048
[  917.806088][T16116] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  917.885549][T16126] loop5: detected capacity change from 0 to 2048
[  917.895948][T16126] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  917.938801][T16123] loop2: detected capacity change from 0 to 2048
[  917.957065][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  917.970219][T16128] loop0: detected capacity change from 0 to 2048
[  917.978073][T16131] loop3: detected capacity change from 0 to 2048
[  917.997621][T16123] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.021637][T16134] loop1: detected capacity change from 0 to 2048
[  918.026345][T16128] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  918.042157][T16134] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.058425][T16131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  918.156789][T16138] loop5: detected capacity change from 0 to 2048
[  918.187520][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  918.248312][T16138] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.290435][T16149] loop1: detected capacity change from 0 to 2048
[  918.293391][T16150] loop0: detected capacity change from 0 to 2048
[  918.309020][T16153] loop2: detected capacity change from 0 to 2048
[  918.327487][T16149] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.331430][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  918.345147][T16152] loop3: detected capacity change from 0 to 2048
[  918.359204][T16153] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.369078][ T5139] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  918.382784][T16150] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  918.413865][T16152] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  918.486488][T16161] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  918.553044][T16161] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  918.669636][T16170] loop2: detected capacity change from 0 to 2048
[  918.684290][T16170] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.766142][T16176] loop1: detected capacity change from 0 to 2048
[  918.796202][T16177] loop0: detected capacity change from 0 to 2048
[  918.807325][T16181] loop5: detected capacity change from 0 to 2048
[  918.819175][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  918.835786][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  918.837547][T16177] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.861273][T16176] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.862112][T16180] loop3: detected capacity change from 0 to 2048
[  918.885120][T16181] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  918.912477][ T5139] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  918.958674][T16180] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  918.990360][T16189] loop2: detected capacity change from 0 to 2048
[  918.999954][T16189] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  919.140559][T16200] loop5: detected capacity change from 0 to 2048
[  919.160948][T16200] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  919.221507][T16197] loop1: detected capacity change from 0 to 2048
[  919.272245][T16197] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.275106][T16203] loop3: detected capacity change from 0 to 2048
[  919.290639][T16201] loop0: detected capacity change from 0 to 2048
executing program
[  919.314568][T16205] loop2: detected capacity change from 0 to 2048
[  919.321425][T16201] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.343179][T16205] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  919.360434][T16203] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.385567][T16212] loop5: detected capacity change from 0 to 2048
[  919.396363][T16212] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.436563][T16216] loop1: detected capacity change from 0 to 2048
[  919.451519][T16216] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  919.560830][T16226] loop0: detected capacity change from 0 to 2048
[  919.570392][T16226] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  919.699728][T16229] loop2: detected capacity change from 0 to 2048
[  919.709879][T16229] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  919.741521][T16234] loop5: detected capacity change from 0 to 2048
[  919.751730][T16234] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.766392][T16232] loop3: detected capacity change from 0 to 2048
executing program
[  919.804321][T16232] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.814987][T16236] loop1: detected capacity change from 0 to 2048
executing program
[  919.852921][T16236] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.878175][T16242] loop0: detected capacity change from 0 to 2048
[  919.920171][T16248] loop5: detected capacity change from 0 to 2048
[  919.930331][T16248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  919.945254][T16242] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  919.969987][T16244] loop2: detected capacity change from 0 to 2048
[  920.004762][T16244] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.007780][T16252] loop1: detected capacity change from 0 to 2048
[  920.025758][T16252] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  920.145824][T16254] loop3: detected capacity change from 0 to 2048
[  920.149527][T16265] loop5: detected capacity change from 0 to 2048
[  920.162447][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  920.179893][T16254] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.200875][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  920.244735][T16265] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.260232][T16266] loop0: detected capacity change from 0 to 2048
[  920.278138][T16270] loop2: detected capacity change from 0 to 2048
[  920.278574][T16268] loop1: detected capacity change from 0 to 2048
[  920.293583][T16270] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.309584][T16266] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  920.352661][T16268] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  920.398683][T16279] loop3: detected capacity change from 0 to 2048
[  920.408018][T16279] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  920.491401][T16285] loop2: detected capacity change from 0 to 2048
[  920.510298][T16288] loop0: detected capacity change from 0 to 2048
[  920.520426][T16288] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  920.552033][T16285] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.562369][T16291] loop5: detected capacity change from 0 to 2048
[  920.582500][T16291] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.606982][T16292] loop3: detected capacity change from 0 to 2048
[  920.616879][T16292] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  920.683608][T16296] loop1: detected capacity change from 0 to 2048
[  920.708160][T16296] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  920.752279][T16303] loop0: detected capacity change from 0 to 2048
[  920.761822][T16303] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  920.806379][T16308] loop2: detected capacity change from 0 to 2048
[  920.816774][T16308] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.832192][T16311] loop5: detected capacity change from 0 to 2048
[  920.843105][T16311] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.864477][T16316] loop1: detected capacity change from 0 to 2048
[  920.873162][T16316] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  920.900624][T16314] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  920.921981][T16314] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  921.011605][T16327] loop0: detected capacity change from 0 to 2048
[  921.033334][T16328] loop2: detected capacity change from 0 to 2048
[  921.045439][T16328] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  921.057760][T16327] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.097100][T16330] loop5: detected capacity change from 0 to 2048
[  921.115811][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  921.135503][T16334] loop3: detected capacity change from 0 to 2048
[  921.154180][T16330] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  921.167227][T16333] loop1: detected capacity change from 0 to 2048
[  921.181459][T16333] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.193279][T16334] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  921.292329][T16341] loop2: detected capacity change from 0 to 2048
executing program
[  921.350788][T16344] loop0: detected capacity change from 0 to 2048
[  921.353886][T16350] loop1: detected capacity change from 0 to 2048
[  921.372068][T16350] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.381472][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  921.392042][T16341] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.417091][T16344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.424157][T16353] loop5: detected capacity change from 0 to 2048
[  921.449603][T16354] loop3: detected capacity change from 0 to 2048
[  921.485161][ T5175] blk_print_req_error: 5 callbacks suppressed
[  921.485181][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  921.503627][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  921.517241][T16353] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  921.540934][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  921.591540][T16354] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  921.680130][T16364] loop1: detected capacity change from 0 to 2048
[  921.712322][T16365] loop2: detected capacity change from 0 to 2048
executing program
[  921.739073][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  921.740768][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  921.794629][T16372] loop5: detected capacity change from 0 to 2048
[  921.798087][T16364] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.814369][T16372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.827710][T16365] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.833571][T16371] loop0: detected capacity change from 0 to 2048
[  921.845559][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  921.884427][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  921.902569][T16374] loop3: detected capacity change from 0 to 2048
[  921.914356][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  921.926613][T16371] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  921.935744][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  921.947716][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  921.956927][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  921.964956][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  921.974442][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  921.982466][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  921.995512][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
[  922.017697][T16374] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  922.160779][T16385] loop5: detected capacity change from 0 to 2048
[  922.209405][T16390] loop1: detected capacity change from 0 to 2048
[  922.224274][ T5205] Buffer I/O error on dev loop1, logical block 0, async page read
[  922.249871][T16389] loop2: detected capacity change from 0 to 2048
[  922.253079][T16393] loop3: detected capacity change from 0 to 2048
[  922.264464][T16390] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.266884][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  922.280130][T16385] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.308764][T16394] loop0: detected capacity change from 0 to 2048
[  922.311533][T16393] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.328239][T16394] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.340314][T16389] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  922.644504][T16412] loop5: detected capacity change from 0 to 2048
[  922.651000][T16411] loop2: detected capacity change from 0 to 2048
[  922.661621][T16413] loop3: detected capacity change from 0 to 2048
[  922.670009][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  922.682875][T16414] loop1: detected capacity change from 0 to 2048
[  922.699340][T16416] loop0: detected capacity change from 0 to 2048
[  922.706481][T16411] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.721544][T16413] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.735498][T16412] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.752305][T16414] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  922.768022][T16416] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  922.962970][T16430] loop1: detected capacity change from 0 to 2048
[  922.975303][T16430] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  923.034548][T16432] loop3: detected capacity change from 0 to 2048
[  923.061292][T16432] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.118906][T16436] loop2: detected capacity change from 0 to 2048
[  923.143282][T16440] loop0: detected capacity change from 0 to 2048
[  923.157077][T16441] loop1: detected capacity change from 0 to 2048
executing program
[  923.172392][T16440] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.190033][T16436] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.193095][T16439] loop5: detected capacity change from 0 to 2048
[  923.213424][T16441] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.226296][T16439] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.258572][T16445] loop3: detected capacity change from 0 to 2048
[  923.272237][T16445] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  923.525033][T16464] loop2: detected capacity change from 0 to 2048
[  923.561193][T16461] loop1: detected capacity change from 0 to 2048
executing program
[  923.570748][T16461] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.597407][T16464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.618580][T16465] loop0: detected capacity change from 0 to 2048
[  923.673409][T16467] loop3: detected capacity change from 0 to 2048
[  923.698973][T16465] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.699191][T16472] loop5: detected capacity change from 0 to 2048
executing program
[  923.719164][T16467] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  923.736684][T16472] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  923.768746][T16476] loop1: detected capacity change from 0 to 2048
[  923.793128][T16476] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  923.874622][T16484] loop2: detected capacity change from 0 to 2048
executing program
[  923.926440][T16488] loop0: detected capacity change from 0 to 2048
[  923.962701][T16484] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  923.998899][T16489] loop3: detected capacity change from 0 to 2048
[  924.008744][T16489] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.034254][T16488] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  924.100642][T16497] loop5: detected capacity change from 0 to 2048
[  924.121565][T16497] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  924.192301][T16493] loop1: detected capacity change from 0 to 2048
[  924.214856][T16493] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.254762][T16503] loop3: detected capacity change from 0 to 2048
[  924.277568][T16502] loop2: detected capacity change from 0 to 2048
[  924.278626][T16505] loop0: detected capacity change from 0 to 2048
executing program
[  924.301169][T16503] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.313386][T16505] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.355529][T16511] loop5: detected capacity change from 0 to 2048
[  924.367568][T16502] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  924.399902][T16511] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  924.520106][T16525] loop3: detected capacity change from 0 to 2048
[  924.536445][T16520] loop1: detected capacity change from 0 to 2048
[  924.545525][T16525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.548551][T16524] loop0: detected capacity change from 0 to 2048
[  924.562788][T16520] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.590467][T16524] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.619313][T16528] loop5: detected capacity change from 0 to 2048
[  924.621581][T16529] loop2: detected capacity change from 0 to 2048
[  924.656465][T16528] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  924.660409][T16529] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  924.750996][T16539] loop3: detected capacity change from 0 to 2048
[  924.766629][T16539] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  924.876657][T16543] loop1: detected capacity change from 0 to 2048
[  924.906240][T16543] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  924.999360][T16548] loop0: detected capacity change from 0 to 2048
[  925.018117][T16550] loop5: detected capacity change from 0 to 2048
executing program
[  925.059599][T16548] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.065160][T16551] loop2: detected capacity change from 0 to 2048
[  925.080553][T16550] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.130538][T16554] loop3: detected capacity change from 0 to 2048
[  925.149558][T16551] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.172449][T16554] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  925.219066][T16557] loop1: detected capacity change from 0 to 2048
[  925.238813][T16557] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  925.297156][T16566] loop5: detected capacity change from 0 to 2048
[  925.315502][T16566] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  925.378084][T16570] loop0: detected capacity change from 0 to 2048
[  925.404432][T16570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.418317][T16575] loop2: detected capacity change from 0 to 2048
executing program
[  925.431102][T16575] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  925.480606][T16579] loop1: detected capacity change from 0 to 2048
[  925.493343][T16579] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  925.582446][T16585] loop0: detected capacity change from 0 to 2048
[  925.597321][T16585] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.614165][T16583] loop3: detected capacity change from 0 to 2048
[  925.624560][T16584] loop5: detected capacity change from 0 to 2048
executing program
[  925.634933][T16584] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.696824][T16583] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  925.772992][T16593] loop1: detected capacity change from 0 to 2048
[  925.810582][T16594] loop2: detected capacity change from 0 to 2048
executing program
[  925.830358][T16593] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.857139][T16594] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.862951][T16599] loop0: detected capacity change from 0 to 2048
executing program
[  925.878407][T16599] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.891771][T16603] loop5: detected capacity change from 0 to 2048
[  925.906391][T16603] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  925.966788][T16607] loop3: detected capacity change from 0 to 2048
[  925.989145][T16607] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  926.106390][T16619] loop0: detected capacity change from 0 to 2048
[  926.118405][T16619] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.150824][T16623] loop5: detected capacity change from 0 to 2048
[  926.170080][ T5205] buffer_io_error: 112 callbacks suppressed
[  926.170097][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  926.183402][T16626] loop3: detected capacity change from 0 to 2048
[  926.187816][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  926.218577][T16621] loop2: detected capacity change from 0 to 2048
[  926.223689][ T5139] Buffer I/O error on dev loop2, logical block 0, async page read
[  926.236552][T16620] loop1: detected capacity change from 0 to 2048
[  926.245553][T16621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.249118][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  926.265178][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  926.273355][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  926.277143][T16626] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.282496][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  926.318296][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  926.338196][T16623] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.351637][T16620] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  926.402617][T16629] loop0: detected capacity change from 0 to 2048
[  926.411512][T16629] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.469451][T16637] loop2: detected capacity change from 0 to 2048
[  926.478598][T16637] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  926.634693][T16644] loop3: detected capacity change from 0 to 2048
[  926.649199][ T5175] blk_print_req_error: 158 callbacks suppressed
[  926.649218][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  926.668578][T16649] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  926.686738][T16649] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.726673][T16652] loop2: detected capacity change from 0 to 2048
[  926.729397][T16648] loop1: detected capacity change from 0 to 2048
[  926.741734][T16652] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.755254][T16653] loop0: detected capacity change from 0 to 2048
[  926.755539][T16644] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.777532][T16653] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  926.793329][T16648] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  926.979320][T16668] loop3: detected capacity change from 0 to 2048
[  926.988222][T16668] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.066619][T16671] loop2: detected capacity change from 0 to 2048
[  927.069138][T16670] loop0: detected capacity change from 0 to 2048
[  927.083648][T16673] loop1: detected capacity change from 0 to 2048
[  927.090699][T16671] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  927.106265][T16673] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.106712][T16665] loop5: detected capacity change from 0 to 2048
[  927.126720][T16670] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.166123][T16665] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.196757][T16677] loop3: detected capacity change from 0 to 2048
[  927.223373][T16677] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  927.450230][T16692] loop3: detected capacity change from 0 to 2048
[  927.462126][T16694] loop2: detected capacity change from 0 to 2048
[  927.478279][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  927.485704][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  927.497114][T16697] loop1: detected capacity change from 0 to 2048
[  927.497858][T16693] loop0: detected capacity change from 0 to 2048
[  927.508739][T16692] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.518299][T16696] loop5: detected capacity change from 0 to 2048
[  927.529935][T16697] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.533336][T16693] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.541609][T16694] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.566064][T16696] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  927.739139][T16709] loop3: detected capacity change from 0 to 2048
[  927.760685][T16709] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.781058][T16714] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  927.791178][T16714] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  927.860274][T16716] loop2: detected capacity change from 0 to 2048
[  927.906885][T16717] loop5: detected capacity change from 0 to 2048
[  927.920977][T16716] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.933361][T16717] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.946877][T16712] loop1: detected capacity change from 0 to 2048
executing program
[  927.960383][T16712] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  927.996029][T16723] loop0: detected capacity change from 0 to 2048
[  928.026180][T16723] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.041175][T16731] loop3: detected capacity change from 0 to 2048
[  928.067637][T16731] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  928.152742][T16737] loop5: detected capacity change from 0 to 2048
[  928.164185][T16737] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  928.258411][T16742] loop2: detected capacity change from 0 to 2048
[  928.269562][T16742] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.287445][T16747] loop0: detected capacity change from 0 to 2048
[  928.296441][T16747] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  928.306522][T16740] loop1: detected capacity change from 0 to 2048
[  928.312478][T16743] loop3: detected capacity change from 0 to 2048
[  928.324171][T16743] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.345016][T16740] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  928.380491][T16751] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  928.438047][T16751] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  928.526154][T16759] loop2: detected capacity change from 0 to 2048
[  928.532440][T16767] loop1: detected capacity change from 0 to 2048
[  928.548755][T16761] loop0: detected capacity change from 0 to 2048
[  928.560297][T16759] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.580409][T16769] loop5: detected capacity change from 0 to 2048
[  928.590017][T16767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.590537][T16769] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.603373][T16764] loop3: detected capacity change from 0 to 2048
[  928.620688][T16761] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  928.668125][T16764] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  928.783236][T16779] loop2: detected capacity change from 0 to 2048
[  928.810670][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  928.845730][T16784] loop5: detected capacity change from 0 to 2048
[  928.850566][T16785] loop1: detected capacity change from 0 to 2048
[  928.858884][T16779] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.871399][T16785] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.878272][T16787] loop0: detected capacity change from 0 to 2048
executing program
[  928.903820][T16787] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.906403][T16784] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  928.974335][T16789] loop3: detected capacity change from 0 to 2048
[  929.019844][T16789] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  929.287546][T16802] loop2: detected capacity change from 0 to 2048
[  929.292545][T16808] loop0: detected capacity change from 0 to 2048
[  929.299266][T16807] loop3: detected capacity change from 0 to 2048
[  929.310619][T16805] loop5: detected capacity change from 0 to 2048
[  929.311742][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  929.332610][T16809] loop1: detected capacity change from 0 to 2048
[  929.332728][T16808] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.366925][T16805] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.371533][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  929.386662][T16802] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.401557][T16807] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.418357][T16809] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  929.528008][T16822] loop3: detected capacity change from 0 to 2048
[  929.539502][T16822] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  929.627612][T16827] loop2: detected capacity change from 0 to 2048
[  929.657403][T16827] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.683666][T16824] loop5: detected capacity change from 0 to 2048
[  929.697330][T16831] loop0: detected capacity change from 0 to 2048
[  929.704336][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  929.707956][T16833] loop1: detected capacity change from 0 to 2048
[  929.734196][T16831] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.763292][T16834] loop3: detected capacity change from 0 to 2048
[  929.766500][T16833] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.788361][T16834] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  929.820185][T16824] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  929.973177][T16845] loop2: detected capacity change from 0 to 2048
[  929.994998][T16845] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.004064][T16848] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  930.024443][T16848] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.047561][T16850] loop0: detected capacity change from 0 to 2048
[  930.062461][T16850] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  930.104233][T16853] loop3: detected capacity change from 0 to 2048
[  930.122951][T16853] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  930.210039][T16859] loop5: detected capacity change from 0 to 2048
[  930.227375][T16859] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.297991][T16865] loop1: detected capacity change from 0 to 2048
[  930.325455][T16865] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  930.349862][T16867] loop2: detected capacity change from 0 to 2048
[  930.361252][T16867] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.413102][T16873] loop0: detected capacity change from 0 to 2048
[  930.431473][T16873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.444879][T16871] loop3: detected capacity change from 0 to 2048
executing program
[  930.457921][T16871] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  930.584808][T16885] loop1: detected capacity change from 0 to 2048
[  930.606132][T16885] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.641005][T16881] loop5: detected capacity change from 0 to 2048
[  930.665591][T16888] loop3: detected capacity change from 0 to 2048
[  930.673391][T16881] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.674217][T16889] loop0: detected capacity change from 0 to 2048
[  930.702735][T16888] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.706790][T16891] loop2: detected capacity change from 0 to 2048
[  930.725427][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  930.752658][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  930.753292][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  930.774255][T16889] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.822839][T16896] loop1: detected capacity change from 0 to 2048
[  930.830989][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  930.862647][T16891] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  930.881990][T16896] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  931.081500][T16911] loop5: detected capacity change from 0 to 2048
[  931.097427][T16911] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.120653][T16908] loop3: detected capacity change from 0 to 2048
[  931.172307][T16913] loop2: detected capacity change from 0 to 2048
[  931.180060][T16908] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.183655][T16916] loop1: detected capacity change from 0 to 2048
[  931.195735][T16915] loop0: detected capacity change from 0 to 2048
[  931.206105][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
[  931.214836][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  931.229319][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  931.241652][T16916] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.263341][T16915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.276146][T16913] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  931.348847][T16920] loop5: detected capacity change from 0 to 2048
[  931.373906][T16920] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  931.436487][T16932] loop3: detected capacity change from 0 to 2048
[  931.446972][T16932] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.454791][T16930] loop1: detected capacity change from 0 to 2048
[  931.477426][T16930] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.505881][T16934] loop2: detected capacity change from 0 to 2048
[  931.515276][T16934] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  931.531614][T16937] loop0: detected capacity change from 0 to 2048
[  931.543246][T16937] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  931.620909][T16946] loop5: detected capacity change from 0 to 2048
[  931.627519][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  931.627610][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
[  931.687239][T16946] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  931.798675][T16953] loop3: detected capacity change from 0 to 2048
[  931.825389][T16953] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  931.852420][T16956] loop0: detected capacity change from 0 to 2048
[  931.863149][T16956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.912415][T16958] loop1: detected capacity change from 0 to 2048
[  931.945742][T16958] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  931.968316][T16960] loop2: detected capacity change from 0 to 2048
[  931.990305][ T5175] blk_print_req_error: 8 callbacks suppressed
[  931.990323][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  932.001492][T16962] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  932.015740][T16962] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.039029][T16960] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  932.179555][T16975] loop3: detected capacity change from 0 to 2048
[  932.191894][T16968] loop0: detected capacity change from 0 to 2048
[  932.216348][T16968] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.240904][T16975] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.280039][T16982] loop1: detected capacity change from 0 to 2048
[  932.321878][T16979] loop5: detected capacity change from 0 to 2048
[  932.338985][T16981] loop2: detected capacity change from 0 to 2048
[  932.354686][T16982] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  932.369735][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  932.381765][T16981] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.397459][T16979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  932.479171][T16995] loop3: detected capacity change from 0 to 2048
[  932.496583][T16995] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.508428][T16988] loop0: detected capacity change from 0 to 2048
executing program
[  932.547765][T16988] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.571326][T16998] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  932.592065][T16998] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  932.697003][T17002] loop5: detected capacity change from 0 to 2048
[  932.727829][T17002] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  932.743539][T17007] loop3: detected capacity change from 0 to 2048
[  932.755319][T17008] loop2: detected capacity change from 0 to 2048
[  932.771089][T17014] loop1: detected capacity change from 0 to 2048
[  932.785225][T17008] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.796871][T17007] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.810365][T17012] loop0: detected capacity change from 0 to 2048
[  932.811657][T17014] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  932.833682][T17012] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  933.079363][T17033] loop0: detected capacity change from 0 to 2048
[  933.096396][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  933.125316][T17025] loop5: detected capacity change from 0 to 2048
[  933.127109][T17034] loop3: detected capacity change from 0 to 2048
[  933.135016][T17029] loop2: detected capacity change from 0 to 2048
[  933.135427][T17030] loop1: detected capacity change from 0 to 2048
[  933.143912][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  933.150951][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  933.171976][T17033] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.184522][T17025] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.185367][ T5205] Buffer I/O error on dev loop1, logical block 0, async page read
[  933.204932][T17034] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.216740][T17029] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.229745][T17030] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  933.434088][T17046] loop3: detected capacity change from 0 to 2048
[  933.453274][T17046] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.467743][T17054] loop5: detected capacity change from 0 to 2048
[  933.469042][T17050] loop0: detected capacity change from 0 to 2048
[  933.476325][T17054] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.481189][T17052] loop2: detected capacity change from 0 to 2048
[  933.505811][T17053] loop1: detected capacity change from 0 to 2048
[  933.514007][T17050] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.528808][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  933.534419][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  933.539744][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  933.562529][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  933.572603][T17052] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.609853][T17053] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  933.750620][T17066] loop3: detected capacity change from 0 to 2048
[  933.787731][T17066] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  933.898593][T17071] loop5: detected capacity change from 0 to 2048
[  933.921900][T17073] loop1: detected capacity change from 0 to 2048
[  933.928962][T17072] loop0: detected capacity change from 0 to 2048
executing program
[  933.942109][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  933.943433][T17071] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.965209][T17072] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  933.978707][T17074] loop2: detected capacity change from 0 to 2048
[  933.985944][T17073] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.000619][T17074] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.027554][T17078] loop3: detected capacity change from 0 to 2048
executing program
[  934.070530][T17078] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  934.137663][T17088] loop0: detected capacity change from 0 to 2048
[  934.170627][T17088] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  934.195423][T17092] loop5: detected capacity change from 0 to 2048
[  934.232649][T17092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  934.321999][T17098] loop2: detected capacity change from 0 to 2048
[  934.326649][T17100] loop1: detected capacity change from 0 to 2048
[  934.334502][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  934.340057][T17100] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.363344][T17099] loop3: detected capacity change from 0 to 2048
[  934.366138][T17098] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.397866][T17099] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.425873][T17104] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  934.481435][T17104] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  934.545339][T17114] loop5: detected capacity change from 0 to 2048
[  934.556857][T17114] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  934.586977][T17116] loop3: detected capacity change from 0 to 2048
[  934.596990][T17116] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.602902][T17110] loop1: detected capacity change from 0 to 2048
[  934.619375][T17110] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  934.715765][T17127] loop0: detected capacity change from 0 to 2048
[  934.742864][T17127] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  934.782946][T17130] loop1: detected capacity change from 0 to 2048
[  934.810211][T17130] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  934.874256][T17123] loop2: detected capacity change from 0 to 2048
[  934.883594][T17123] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.905949][T17135] loop3: detected capacity change from 0 to 2048
[  934.907377][T17137] loop5: detected capacity change from 0 to 2048
[  934.933570][T17137] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.949447][T17135] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  934.959063][T17138] loop0: detected capacity change from 0 to 2048
executing program
[  934.978177][T17138] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  935.133623][T17148] loop1: detected capacity change from 0 to 2048
[  935.136911][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  935.204957][T17148] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.235334][T17154] loop5: detected capacity change from 0 to 2048
[  935.279426][T17156] loop2: detected capacity change from 0 to 2048
[  935.290674][T17154] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.294914][ T5139] Buffer I/O error on dev loop2, logical block 0, async page read
[  935.310044][T17157] loop3: detected capacity change from 0 to 2048
[  935.331096][T17157] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.355608][T17159] loop0: detected capacity change from 0 to 2048
[  935.368152][T17159] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.383025][T17156] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  935.595809][T17170] loop1: detected capacity change from 0 to 2048
[  935.615010][T17175] loop0: detected capacity change from 0 to 2048
[  935.620008][T17174] loop3: detected capacity change from 0 to 2048
[  935.628277][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  935.644527][T17170] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.657809][T17177] loop5: detected capacity change from 0 to 2048
[  935.668729][T17174] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.682147][T17177] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.695549][T17175] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.696046][T17179] loop2: detected capacity change from 0 to 2048
[  935.723381][T17179] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  935.889544][T17193] loop5: detected capacity change from 0 to 2048
[  935.900620][T17193] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  935.918819][T17195] loop3: detected capacity change from 0 to 2048
[  935.927300][T17195] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  936.005375][T17192] loop1: detected capacity change from 0 to 2048
[  936.011591][T17197] loop0: detected capacity change from 0 to 2048
[  936.022962][T17192] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.045170][T17203] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  936.053799][T17203] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.084984][T17197] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  936.142360][T17206] loop5: detected capacity change from 0 to 2048
[  936.151665][T17206] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  936.198613][T17215] loop1: detected capacity change from 0 to 2048
[  936.209664][T17215] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.231316][T17219] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  936.239882][T17219] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.247055][T17207] loop3: detected capacity change from 0 to 2048
executing program
[  936.302957][T17207] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  936.362484][T17227] loop5: detected capacity change from 0 to 2048
[  936.369221][T17226] loop0: detected capacity change from 0 to 2048
[  936.392736][T17226] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  936.421500][T17230] loop1: detected capacity change from 0 to 2048
[  936.428432][T17227] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.479628][T17230] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.487422][T17238] loop3: detected capacity change from 0 to 2048
[  936.500305][T17238] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.557502][T17233] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  936.607493][T17233] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  936.656155][T17246] loop5: detected capacity change from 0 to 2048
[  936.665451][T17246] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.684821][T17249] loop1: detected capacity change from 0 to 2048
[  936.693356][T17249] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  936.751844][T17248] loop0: detected capacity change from 0 to 2048
[  936.764922][T17251] loop3: detected capacity change from 0 to 2048
[  936.774809][T17248] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  936.800977][T17251] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  937.042718][T17260] loop2: detected capacity change from 0 to 2048
[  937.101067][T17265] loop5: detected capacity change from 0 to 2048
[  937.117211][T17267] loop1: detected capacity change from 0 to 2048
[  937.120452][ T5175] blk_print_req_error: 24 callbacks suppressed
[  937.120470][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  937.157382][T17267] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.168932][T17265] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.183375][T17270] loop0: detected capacity change from 0 to 2048
[  937.211885][T17271] loop3: detected capacity change from 0 to 2048
[  937.219130][T17270] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.224272][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  937.257478][T17260] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.297745][T17271] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  937.423840][T17284] loop5: detected capacity change from 0 to 2048
[  937.429572][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  937.464943][T17284] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  937.526549][T17286] loop1: detected capacity change from 0 to 2048
executing program
[  937.576023][T17286] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.663429][T17290] loop0: detected capacity change from 0 to 2048
[  937.674302][T17289] loop3: detected capacity change from 0 to 2048
[  937.683359][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  937.694851][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  937.709265][T17289] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.722229][T17294] loop2: detected capacity change from 0 to 2048
[  937.742290][T17290] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.764332][T17294] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  937.780902][T17298] loop5: detected capacity change from 0 to 2048
[  937.790824][T17298] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  937.956396][T17307] loop1: detected capacity change from 0 to 2048
[  937.975073][T17307] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  938.130773][T17312] loop2: detected capacity change from 0 to 2048
[  938.149141][T17312] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.189971][T17314] loop0: detected capacity change from 0 to 2048
[  938.217963][T17317] loop5: detected capacity change from 0 to 2048
[  938.232921][T17316] loop3: detected capacity change from 0 to 2048
executing program
[  938.243875][T17314] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.264255][T17317] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.269078][T17320] loop1: detected capacity change from 0 to 2048
[  938.277164][T17316] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.307717][T17320] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.328839][T17326] loop2: detected capacity change from 0 to 2048
[  938.337637][T17326] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  938.567203][T17336] loop3: detected capacity change from 0 to 2048
[  938.569759][T17341] loop5: detected capacity change from 0 to 2048
[  938.580810][T17336] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.594375][T17338] loop0: detected capacity change from 0 to 2048
[  938.612070][T17342] loop2: detected capacity change from 0 to 2048
[  938.613341][T17338] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.639605][T17344] loop1: detected capacity change from 0 to 2048
[  938.647788][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  938.658589][T17341] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.679702][T17342] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.718592][T17344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  938.892261][T17358] loop3: detected capacity change from 0 to 2048
[  938.904086][T17359] loop5: detected capacity change from 0 to 2048
[  938.929133][T17360] loop0: detected capacity change from 0 to 2048
[  938.943515][T17358] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.956140][T17359] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.977290][T17362] loop1: detected capacity change from 0 to 2048
[  938.985121][T17360] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  938.989117][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  939.005254][T17364] loop2: detected capacity change from 0 to 2048
[  939.015673][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  939.038027][T17364] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  939.057351][T17362] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  939.224825][T17377] loop0: detected capacity change from 0 to 2048
[  939.239228][T17377] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  939.273821][T17380] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  939.311294][T17380] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  939.322283][T17384] loop5: detected capacity change from 0 to 2048
[  939.333174][T17384] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  939.405060][T17379] loop2: detected capacity change from 0 to 2048
[  939.433683][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  939.455464][T17388] loop0: detected capacity change from 0 to 2048
[  939.480378][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  939.503584][T17388] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  939.509668][T17386] loop1: detected capacity change from 0 to 2048
[  939.529595][T17379] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  939.537102][ T5205] buffer_io_error: 14 callbacks suppressed
[  939.537119][ T5205] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  939.557426][T17386] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  939.635110][T17399] loop5: detected capacity change from 0 to 2048
[  939.663338][T17399] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  939.668887][T17401] loop3: detected capacity change from 0 to 2048
executing program
[  939.688088][T17401] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  939.784302][T17404] loop2: detected capacity change from 0 to 2048
executing program
[  939.833310][T17404] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  939.848644][T17412] loop1: detected capacity change from 0 to 2048
[  939.860155][T17412] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  939.930737][T17409] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  939.987924][T17409] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.031647][T17415] loop3: detected capacity change from 0 to 2048
[  940.063194][T17415] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.071687][T17420] loop5: detected capacity change from 0 to 2048
[  940.093148][T17409] EXT4-fs mount: 790 callbacks suppressed
[  940.093167][T17409] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.108020][T17424] loop1: detected capacity change from 0 to 2048
[  940.121711][T17420] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.136050][T17424] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.155468][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.164258][T17423] loop2: detected capacity change from 0 to 2048
[  940.177130][T17415] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.191907][T17423] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.219442][T17420] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  940.245511][T17423] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.264710][T17424] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.285461][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  940.312546][T17436] loop0: detected capacity change from 0 to 2048
[  940.316509][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.328286][T17436] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  940.404213][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.427435][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.450074][T17436] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.483792][T17438] loop3: detected capacity change from 0 to 2048
executing program
[  940.497080][T17438] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  940.524875][T17444] loop1: detected capacity change from 0 to 2048
[  940.535791][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.548307][T17444] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.558272][T17446] loop2: detected capacity change from 0 to 2048
executing program
[  940.582690][T17446] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.610731][T17438] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.625290][T17448] loop5: detected capacity change from 0 to 2048
executing program
[  940.635565][T17448] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  940.648034][T17444] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.673200][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.689551][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.693192][T17454] loop0: detected capacity change from 0 to 2048
[  940.710437][T17448] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.723808][T17446] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  940.765476][T17454] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  940.808321][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.834245][T17454] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  940.854827][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  940.902825][T17466] loop5: detected capacity change from 0 to 2048
[  940.908002][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  940.919715][T17466] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  940.949705][T17468] loop2: detected capacity change from 0 to 2048
[  940.956107][T17464] loop1: detected capacity change from 0 to 2048
[  940.963158][T17464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  941.002130][T17466] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.015051][T17468] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.037199][T17464] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.041786][T17473] loop3: detected capacity change from 0 to 2048
[  941.065201][T17473] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.109091][T17476] loop0: detected capacity change from 0 to 2048
[  941.112451][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.125668][T17476] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.165517][T17473] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.185502][T17468] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  941.242015][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.259304][T17476] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.286985][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.304293][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.319192][T17484] loop5: detected capacity change from 0 to 2048
[  941.339608][T17484] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.355003][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
executing program
[  941.387820][T17484] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  941.430355][T17489] loop2: detected capacity change from 0 to 2048
[  941.448242][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  941.463037][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  941.488373][T17491] loop1: detected capacity change from 0 to 2048
[  941.501684][T17489] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.514668][T17491] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.515495][T17494] loop0: detected capacity change from 0 to 2048
[  941.529016][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.541711][T17492] loop3: detected capacity change from 0 to 2048
[  941.551487][T17492] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.557379][T17494] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  941.601474][T17489] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.602426][T17491] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.615473][T17492] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.667418][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.695153][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.706493][T17503] loop5: detected capacity change from 0 to 2048
[  941.717803][T17503] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.730772][T17494] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.747233][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  941.779460][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  941.810481][T17503] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
executing program
[  941.838431][T17509] loop1: detected capacity change from 0 to 2048
[  941.848124][T17509] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.892375][T17509] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  941.926660][T17513] loop3: detected capacity change from 0 to 2048
[  941.943523][T17513] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.950770][T17512] loop0: detected capacity change from 0 to 2048
[  941.968240][T17512] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  941.976008][T17517] loop2: detected capacity change from 0 to 2048
[  941.990227][T17517] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.004929][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  942.021225][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  942.046287][T17517] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.052590][T17512] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.079354][T17513] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.127325][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  942.127363][T17525] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  942.167485][T17525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.184685][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  942.194357][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  942.225512][T17527] loop1: detected capacity change from 0 to 2048
[  942.241086][T17525] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.258051][T17527] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  942.341495][T17534] loop0: detected capacity change from 0 to 2048
[  942.362563][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  942.373003][T17534] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  942.397333][T17527] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.447209][T17543] loop5: detected capacity change from 0 to 2048
[  942.463417][T17534] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.466706][T17542] loop3: detected capacity change from 0 to 2048
[  942.487590][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  942.492166][T17545] loop2: detected capacity change from 0 to 2048
[  942.505342][T17542] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.520020][ T5205] blk_print_req_error: 5 callbacks suppressed
[  942.520035][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  942.542886][T17543] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.595321][T17542] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.608748][T17545] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.629385][T17543] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.639142][T17548] loop1: detected capacity change from 0 to 2048
[  942.650747][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  942.660436][T17548] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.691704][T17545] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.714565][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  942.738278][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  942.759591][T17548] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  942.765572][T17555] loop0: detected capacity change from 0 to 2048
[  942.783281][T17555] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.812788][T17559] loop5: detected capacity change from 0 to 2048
[  942.822675][T17559] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  942.923077][T17569] loop1: detected capacity change from 0 to 2048
[  942.935190][T17569] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.939895][T17565] loop3: detected capacity change from 0 to 2048
executing program
[  942.975312][T17565] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  942.976290][T17567] loop2: detected capacity change from 0 to 2048
executing program
[  943.020215][T17571] loop0: detected capacity change from 0 to 2048
[  943.027194][T17567] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  943.047277][T17571] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  943.082259][T17575] loop5: detected capacity change from 0 to 2048
[  943.094747][T17575] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  943.277869][T17587] loop1: detected capacity change from 0 to 2048
[  943.286566][T17589] loop0: detected capacity change from 0 to 2048
[  943.300581][T17589] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  943.329473][T17587] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  943.429252][T17596] loop3: detected capacity change from 0 to 2048
[  943.463381][T17600] loop5: detected capacity change from 0 to 2048
[  943.472924][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  943.490861][T17600] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  943.538450][T17596] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  943.571289][T17597] loop2: detected capacity change from 0 to 2048
[  943.585102][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  943.597706][T17597] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  943.623998][T17603] loop0: detected capacity change from 0 to 2048
executing program
[  943.635832][T17603] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  943.658889][T17605] loop1: detected capacity change from 0 to 2048
[  943.676047][T17605] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  943.854732][T17621] loop2: detected capacity change from 0 to 2048
[  943.874816][T17621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  943.901183][T17619] loop5: detected capacity change from 0 to 2048
[  943.925528][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  943.959885][T17623] loop3: detected capacity change from 0 to 2048
[  943.967104][T17625] loop1: detected capacity change from 0 to 2048
[  943.975700][T17619] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  943.996640][T17623] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.011722][T17627] loop0: detected capacity change from 0 to 2048
executing program
[  944.020577][T17625] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.042469][T17627] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  944.123153][T17635] loop2: detected capacity change from 0 to 2048
executing program
[  944.182348][T17635] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.196643][T17641] loop5: detected capacity change from 0 to 2048
[  944.214592][T17641] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  944.317834][T17649] loop0: detected capacity change from 0 to 2048
[  944.338080][T17649] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  944.365504][T17646] loop1: detected capacity change from 0 to 2048
executing program
[  944.396286][T17646] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.421828][T17648] loop3: detected capacity change from 0 to 2048
[  944.444325][T17648] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.472853][T17657] loop5: detected capacity change from 0 to 2048
[  944.490267][T17653] loop2: detected capacity change from 0 to 2048
executing program
[  944.491282][T17657] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.509772][T17653] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  944.568857][T17662] loop0: detected capacity change from 0 to 2048
[  944.586881][T17662] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  944.677759][T17668] loop1: detected capacity change from 0 to 2048
[  944.698090][T17668] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.716697][T17670] loop3: detected capacity change from 0 to 2048
executing program
[  944.727162][T17670] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.756301][T17675] loop2: detected capacity change from 0 to 2048
[  944.766740][T17675] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.787993][T17677] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  944.828322][T17677] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  944.890092][T17683] loop0: detected capacity change from 0 to 2048
[  944.917993][T17686] loop3: detected capacity change from 0 to 2048
[  944.928053][T17683] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  944.941792][T17690] loop1: detected capacity change from 0 to 2048
[  944.986448][T17690] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  944.999695][T17695] loop5: detected capacity change from 0 to 2048
[  945.004078][T17686] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.021424][T17695] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.033682][T17693] loop2: detected capacity change from 0 to 2048
[  945.052994][T17693] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  945.178481][T17709] loop0: detected capacity change from 0 to 2048
[  945.197521][T17709] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.279196][T17710] loop1: detected capacity change from 0 to 2048
[  945.301477][T17714] loop3: detected capacity change from 0 to 2048
executing program
[  945.326515][T17714] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.339450][T17710] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.345430][T17711] loop5: detected capacity change from 0 to 2048
[  945.359374][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  945.390265][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  945.405876][T17715] loop2: detected capacity change from 0 to 2048
[  945.424205][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  945.432360][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  945.440382][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  945.462392][T17719] loop0: detected capacity change from 0 to 2048
[  945.471936][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  945.482452][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  945.487836][T17719] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.492997][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  945.511920][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  945.529542][T17711] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  945.549739][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  945.569242][T17715] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  945.703660][T17737] loop1: detected capacity change from 0 to 2048
[  945.716385][T17737] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  945.884981][T17739] loop0: detected capacity change from 0 to 2048
[  945.889147][T17743] loop2: detected capacity change from 0 to 2048
[  945.895416][T17740] loop3: detected capacity change from 0 to 2048
[  945.907758][T17741] loop5: detected capacity change from 0 to 2048
[  945.921055][ T5139] Buffer I/O error on dev loop0, logical block 0, async page read
[  945.925125][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
[  945.938675][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  945.951335][T17739] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.953957][T17741] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.977392][T17743] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  945.991819][T17740] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  946.026510][T17748] loop1: detected capacity change from 0 to 2048
[  946.057479][T17748] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  946.184354][T17758] loop0: detected capacity change from 0 to 2048
[  946.214397][T17762] loop3: detected capacity change from 0 to 2048
executing program
[  946.230123][T17762] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  946.244396][T17758] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  946.278685][T17764] loop5: detected capacity change from 0 to 2048
[  946.290510][T17764] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  946.415268][T17767] loop2: detected capacity change from 0 to 2048
[  946.435545][T17771] loop1: detected capacity change from 0 to 2048
[  946.439261][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  946.451035][T17771] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  946.483487][T17767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  946.545488][T17779] loop5: detected capacity change from 0 to 2048
[  946.558505][T17779] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  946.563780][T17776] loop0: detected capacity change from 0 to 2048
[  946.620543][T17788] loop1: detected capacity change from 0 to 2048
[  946.628880][T17780] loop3: detected capacity change from 0 to 2048
[  946.639420][T17788] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  946.664150][T17776] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  946.706089][T17780] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  946.796547][T17798] loop5: detected capacity change from 0 to 2048
[  946.807048][T17798] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  946.827800][T17800] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  946.858649][T17793] loop2: detected capacity change from 0 to 2048
[  946.873242][T17800] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  946.890845][T17793] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  946.955360][T17803] loop3: detected capacity change from 0 to 2048
[  946.968431][T17803] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.053646][T17804] loop1: detected capacity change from 0 to 2048
[  947.070744][T17812] loop5: detected capacity change from 0 to 2048
[  947.080065][T17812] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  947.100211][T17804] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  947.242576][T17817] loop2: detected capacity change from 0 to 2048
[  947.258948][T17817] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.266564][T17818] loop0: detected capacity change from 0 to 2048
executing program
[  947.322761][T17826] loop1: detected capacity change from 0 to 2048
[  947.332758][ T5139] Buffer I/O error on dev loop0, logical block 0, async page read
executing program
[  947.370063][T17826] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.371503][T17818] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.383529][T17825] loop3: detected capacity change from 0 to 2048
[  947.476574][T17832] loop2: detected capacity change from 0 to 2048
[  947.492895][T17830] loop5: detected capacity change from 0 to 2048
[  947.504129][T17830] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.515530][T17825] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.531579][T17832] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  947.624586][T17843] loop0: detected capacity change from 0 to 2048
[  947.629866][ T5175] blk_print_req_error: 10 callbacks suppressed
[  947.629885][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  947.671916][T17843] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.695360][T17846] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  947.726929][T17846] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  947.809369][T17855] loop5: detected capacity change from 0 to 2048
[  947.830564][T17855] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  947.888387][T17856] loop3: detected capacity change from 0 to 2048
[  947.894893][T17852] loop2: detected capacity change from 0 to 2048
[  947.902220][T17852] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  947.946726][T17858] loop0: detected capacity change from 0 to 2048
[  947.953263][T17856] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.986037][T17858] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  947.995677][T17862] loop1: detected capacity change from 0 to 2048
executing program
[  948.061153][T17865] loop5: detected capacity change from 0 to 2048
[  948.067855][T17862] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.109700][T17865] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.117472][T17872] loop2: detected capacity change from 0 to 2048
[  948.129672][T17872] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  948.288385][T17881] loop3: detected capacity change from 0 to 2048
[  948.315979][ T5139] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  948.361165][T17881] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.388695][T17883] loop0: detected capacity change from 0 to 2048
[  948.400313][T17886] loop5: detected capacity change from 0 to 2048
[  948.407240][T17888] loop2: detected capacity change from 0 to 2048
[  948.408978][T17887] loop1: detected capacity change from 0 to 2048
[  948.421162][T17883] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.429153][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  948.442657][T17888] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.443586][T17886] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.466334][T17887] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  948.600665][T17902] loop3: detected capacity change from 0 to 2048
[  948.610798][T17902] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.683031][T17909] loop5: detected capacity change from 0 to 2048
[  948.694444][T17909] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.698117][T17903] loop0: detected capacity change from 0 to 2048
[  948.711304][T17905] loop1: detected capacity change from 0 to 2048
[  948.715771][T17907] loop2: detected capacity change from 0 to 2048
executing program
[  948.728482][T17903] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.741507][T17905] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  948.755442][T17907] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  948.840278][T17912] loop3: detected capacity change from 0 to 2048
[  948.873346][T17912] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  948.968048][T17923] loop5: detected capacity change from 0 to 2048
[  948.986019][T17927] loop2: detected capacity change from 0 to 2048
[  949.004154][T17923] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.004762][T17929] loop0: detected capacity change from 0 to 2048
[  949.023333][T17927] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.034591][T17930] loop1: detected capacity change from 0 to 2048
[  949.037879][T17929] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.056830][T17930] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.071264][T17932] loop3: detected capacity change from 0 to 2048
executing program
[  949.116353][T17932] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  949.283543][T17943] loop2: detected capacity change from 0 to 2048
[  949.319064][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  949.330841][T17948] loop0: detected capacity change from 0 to 2048
[  949.333789][T17946] loop5: detected capacity change from 0 to 2048
[  949.347072][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  949.363362][T17946] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.371991][T17950] loop1: detected capacity change from 0 to 2048
[  949.382541][T17943] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.398260][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  949.412311][T17952] loop3: detected capacity change from 0 to 2048
[  949.421567][T17948] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.426762][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  949.464801][T17950] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.477890][T17952] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  949.585394][T17964] loop2: detected capacity change from 0 to 2048
[  949.620747][T17964] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  949.774706][T17968] loop0: detected capacity change from 0 to 2048
[  949.805960][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  949.829682][T17971] loop5: detected capacity change from 0 to 2048
[  949.838128][T17975] loop3: detected capacity change from 0 to 2048
[  949.845991][T17968] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.858566][T17971] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.859892][T17976] loop1: detected capacity change from 0 to 2048
[  949.874748][T17975] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  949.944508][T17978] loop2: detected capacity change from 0 to 2048
[  949.949527][T17976] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  949.963110][T17978] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  950.182988][T17993] loop5: detected capacity change from 0 to 2048
[  950.189751][T17996] loop1: detected capacity change from 0 to 2048
[  950.189817][T18000] loop2: detected capacity change from 0 to 2048
[  950.208682][T17997] loop0: detected capacity change from 0 to 2048
[  950.217792][T18000] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.230355][T17993] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.244774][T17997] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.245348][T17996] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.268974][T17999] loop3: detected capacity change from 0 to 2048
[  950.270875][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  950.292419][T17999] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  950.556574][T18012] loop2: detected capacity change from 0 to 2048
[  950.563091][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  950.613457][T18014] loop0: detected capacity change from 0 to 2048
[  950.624964][T18012] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.636432][T18019] loop5: detected capacity change from 0 to 2048
[  950.653130][T18016] loop1: detected capacity change from 0 to 2048
[  950.661222][T18020] loop3: detected capacity change from 0 to 2048
[  950.663603][T18014] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.682303][T18020] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.694205][T18019] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  950.697596][T18016] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  950.893252][T18033] loop5: detected capacity change from 0 to 2048
[  950.912350][T18033] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  950.985847][T18037] loop2: detected capacity change from 0 to 2048
[  951.000331][T18037] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.027255][T18035] loop0: detected capacity change from 0 to 2048
[  951.057774][T18041] loop1: detected capacity change from 0 to 2048
[  951.065132][ T5205] Buffer I/O error on dev loop1, logical block 0, async page read
[  951.081322][T18035] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.099648][T18045] loop5: detected capacity change from 0 to 2048
[  951.112397][T18044] loop3: detected capacity change from 0 to 2048
[  951.113541][T18041] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.131317][T18045] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.147268][T18044] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  951.233665][T18057] loop2: detected capacity change from 0 to 2048
executing program
[  951.276040][T18057] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  951.332167][T18060] loop0: detected capacity change from 0 to 2048
[  951.340758][T18060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  951.388497][T18065] loop3: detected capacity change from 0 to 2048
[  951.400190][T18061] loop5: detected capacity change from 0 to 2048
[  951.418172][T18061] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.431410][T18067] loop1: detected capacity change from 0 to 2048
[  951.449037][T18065] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.467269][T18071] loop2: detected capacity change from 0 to 2048
[  951.477467][T18071] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  951.491520][T18067] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.546285][T18075] loop0: detected capacity change from 0 to 2048
[  951.558042][T18075] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  951.704749][T18085] loop2: detected capacity change from 0 to 2048
[  951.711863][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  951.743123][T18086] loop5: detected capacity change from 0 to 2048
[  951.748247][T18094] loop0: detected capacity change from 0 to 2048
[  951.757462][T18085] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.787434][T18086] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.821785][T18094] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.836773][T18092] loop1: detected capacity change from 0 to 2048
[  951.847184][T18091] loop3: detected capacity change from 0 to 2048
[  951.865820][T18092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  951.879225][T18091] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  952.049188][T18108] loop5: detected capacity change from 0 to 2048
[  952.081475][T18108] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.145103][T18110] loop0: detected capacity change from 0 to 2048
[  952.154773][T18111] loop3: detected capacity change from 0 to 2048
[  952.155673][T18112] loop2: detected capacity change from 0 to 2048
[  952.166217][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  952.179303][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  952.196592][T18114] loop1: detected capacity change from 0 to 2048
[  952.205506][T18112] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.215123][T18111] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.232096][T18114] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.243577][T18110] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  952.354610][T18126] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  952.396191][T18128] loop3: detected capacity change from 0 to 2048
[  952.407347][T18126] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.412100][T18128] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.512298][T18132] loop1: detected capacity change from 0 to 2048
[  952.531528][T18131] loop0: detected capacity change from 0 to 2048
[  952.554439][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  952.558925][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  952.573330][T18134] loop2: detected capacity change from 0 to 2048
[  952.580753][T18132] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.602366][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  952.631013][T18131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.644866][T18134] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  952.732863][T18140] loop5: detected capacity change from 0 to 2048
[  952.747839][ T5175] blk_print_req_error: 14 callbacks suppressed
[  952.747859][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  952.783432][T18145] loop1: detected capacity change from 0 to 2048
[  952.790644][T18140] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.802643][T18145] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  952.832819][T18148] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  952.871220][T18148] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  952.939321][T18158] loop0: detected capacity change from 0 to 2048
[  952.954717][T18158] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  952.999247][T18162] loop1: detected capacity change from 0 to 2048
[  953.009802][T18162] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.013425][T18156] loop2: detected capacity change from 0 to 2048
executing program
[  953.044435][T18156] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.069020][T18165] loop5: detected capacity change from 0 to 2048
[  953.092763][T18165] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  953.132120][T18170] loop3: detected capacity change from 0 to 2048
[  953.141023][T18170] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  953.319738][T18180] loop5: detected capacity change from 0 to 2048
[  953.338338][T18177] loop0: detected capacity change from 0 to 2048
[  953.343285][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  953.360519][T18177] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.370007][T18181] loop1: detected capacity change from 0 to 2048
[  953.384237][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  953.397368][T18186] loop3: detected capacity change from 0 to 2048
[  953.405375][T18180] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.421647][T18181] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.421962][T18186] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.434578][T18185] loop2: detected capacity change from 0 to 2048
[  953.465606][T18185] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  953.595453][T18198] loop0: detected capacity change from 0 to 2048
[  953.617450][T18198] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.671346][T18201] loop5: detected capacity change from 0 to 2048
[  953.677943][T18202] loop1: detected capacity change from 0 to 2048
[  953.690123][T18201] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.709034][T18202] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.709072][T18206] loop3: detected capacity change from 0 to 2048
[  953.723326][T18205] loop2: detected capacity change from 0 to 2048
[  953.735074][T18206] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  953.750445][T18205] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  953.923211][T18219] loop0: detected capacity change from 0 to 2048
[  953.937977][T18219] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.020183][T18225] loop5: detected capacity change from 0 to 2048
[  954.030353][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  954.061062][T18224] loop2: detected capacity change from 0 to 2048
[  954.068288][T18222] loop1: detected capacity change from 0 to 2048
[  954.081398][T18226] loop3: detected capacity change from 0 to 2048
[  954.093094][T18225] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.118977][T18226] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.134346][T18224] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.145494][T18222] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  954.309992][T18241] loop3: detected capacity change from 0 to 2048
[  954.348546][T18241] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  954.368233][T18238] loop0: detected capacity change from 0 to 2048
[  954.375418][T18242] loop5: detected capacity change from 0 to 2048
[  954.384785][T18242] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.417558][T18238] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.457385][T18246] loop2: detected capacity change from 0 to 2048
executing program
[  954.460112][T18245] loop1: detected capacity change from 0 to 2048
[  954.471093][T18246] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.487858][T18245] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  954.607681][T18260] loop5: detected capacity change from 0 to 2048
[  954.612829][T18255] loop3: detected capacity change from 0 to 2048
[  954.621437][T18260] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.642151][T18262] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  954.649643][T18255] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.667475][T18262] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  954.708076][T18268] loop1: detected capacity change from 0 to 2048
[  954.718738][T18268] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  954.781665][T18265] loop0: detected capacity change from 0 to 2048
[  954.799737][T18265] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.844752][T18275] loop5: detected capacity change from 0 to 2048
[  954.859216][T18278] loop2: detected capacity change from 0 to 2048
[  954.872391][T18275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.884119][T18279] loop3: detected capacity change from 0 to 2048
executing program
[  954.891018][T18278] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  954.906339][T18279] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  954.979391][T18284] loop1: detected capacity change from 0 to 2048
[  955.008049][T18284] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  955.069846][T18296] loop2: detected capacity change from 0 to 2048
[  955.081398][T18296] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.082530][T18293] loop0: detected capacity change from 0 to 2048
[  955.118372][T18293] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.122193][T18294] loop5: detected capacity change from 0 to 2048
[  955.150044][T18298] loop3: detected capacity change from 0 to 2048
[  955.152990][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  955.163489][T18298] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.190325][T18294] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  955.225990][T18304] loop1: detected capacity change from 0 to 2048
[  955.256831][T18304] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  955.360596][T18310] loop2: detected capacity change from 0 to 2048
[  955.385985][T18310] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.390724][T18318] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  955.405974][T18318] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.445284][T18320] loop5: detected capacity change from 0 to 2048
[  955.456800][T18317] loop0: detected capacity change from 0 to 2048
[  955.489154][T18317] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.508754][T18320] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.520854][T18322] loop1: detected capacity change from 0 to 2048
executing program
[  955.538805][T18322] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  955.610242][T18332] loop3: detected capacity change from 0 to 2048
[  955.620053][T18332] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  955.697407][T18340] loop5: detected capacity change from 0 to 2048
[  955.706357][T18340] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  955.739853][T18344] loop1: detected capacity change from 0 to 2048
[  955.749705][T18344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.782963][T18342] loop0: detected capacity change from 0 to 2048
[  955.785880][T18338] loop2: detected capacity change from 0 to 2048
[  955.809867][T18342] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  955.831378][T18338] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.832857][T18348] loop3: detected capacity change from 0 to 2048
[  955.859277][T18348] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  955.888934][T18352] loop5: detected capacity change from 0 to 2048
[  955.899730][T18352] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  955.919997][T18358] loop1: detected capacity change from 0 to 2048
[  955.931963][T18358] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  956.015198][T18366] loop2: detected capacity change from 0 to 2048
[  956.025786][T18366] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  956.095702][T18368] loop0: detected capacity change from 0 to 2048
[  956.110006][T18374] loop1: detected capacity change from 0 to 2048
[  956.118800][T18368] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  956.132294][T18374] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  956.157226][T18372] loop3: detected capacity change from 0 to 2048
[  956.166538][T18372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  956.174107][T18375] loop5: detected capacity change from 0 to 2048
[  956.192949][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  956.215146][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  956.259200][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  956.281848][T18375] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  956.329247][T18384] loop2: detected capacity change from 0 to 2048
[  956.348872][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  956.418489][T18384] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  956.420611][T18386] loop1: detected capacity change from 0 to 2048
[  956.442364][T18386] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  956.480784][T18390] loop0: detected capacity change from 0 to 2048
[  956.487357][T18389] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  956.521543][T18390] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  956.547901][T18389] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  956.651209][T18398] loop5: detected capacity change from 0 to 2048
[  956.672943][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  956.698212][T18398] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  956.709431][T18407] loop1: detected capacity change from 0 to 2048
[  956.718685][T18407] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  956.746086][T18406] loop2: detected capacity change from 0 to 2048
[  956.791540][T18406] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  956.950995][T18423] loop5: detected capacity change from 0 to 2048
[  956.958452][T18424] loop1: detected capacity change from 0 to 2048
[  956.979845][T18423] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.002253][T18424] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.040434][T18426] loop2: detected capacity change from 0 to 2048
[  957.045344][T18418] loop0: detected capacity change from 0 to 2048
[  957.055326][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  957.065648][T18422] loop3: detected capacity change from 0 to 2048
[  957.078580][T18426] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.103486][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  957.125954][T18418] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  957.164861][T18422] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  957.328434][T18436] loop5: detected capacity change from 0 to 2048
[  957.377185][T18436] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.378704][T18443] loop1: detected capacity change from 0 to 2048
[  957.418126][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
[  957.422320][T18447] loop0: detected capacity change from 0 to 2048
[  957.435548][T18447] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.456503][T18443] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.465392][T18445] loop3: detected capacity change from 0 to 2048
[  957.480274][T18445] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  957.569473][T18448] loop2: detected capacity change from 0 to 2048
[  957.595386][T18454] loop5: detected capacity change from 0 to 2048
executing program
[  957.614914][T18448] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.627137][T18454] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  957.754569][T18463] loop0: detected capacity change from 0 to 2048
[  957.803048][T18463] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.827710][T18472] loop3: detected capacity change from 0 to 2048
[  957.834456][T18470] loop1: detected capacity change from 0 to 2048
[  957.836667][T18472] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  957.871811][ T5146] blk_print_req_error: 4 callbacks suppressed
[  957.871830][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  957.916869][T18477] loop2: detected capacity change from 0 to 2048
[  957.926429][T18470] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  957.945709][T18477] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  958.055366][T18479] loop0: detected capacity change from 0 to 2048
[  958.071814][T18479] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  958.100757][T18473] loop5: detected capacity change from 0 to 2048
[  958.108251][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  958.136679][T18489] loop1: detected capacity change from 0 to 2048
[  958.159580][T18489] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.175187][T18473] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.185915][T18487] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  958.201746][T18487] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.268972][T18495] loop0: detected capacity change from 0 to 2048
[  958.277630][T18495] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.313319][T18494] loop2: detected capacity change from 0 to 2048
[  958.322217][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  958.332849][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  958.342812][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
executing program
[  958.365940][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  958.377775][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  958.385901][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  958.395634][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  958.403753][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
executing program
[  958.417352][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
executing program
[  958.462829][T18494] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.493371][T18509] loop1: detected capacity change from 0 to 2048
executing program
[  958.511246][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  958.562691][T18506] loop5: detected capacity change from 0 to 2048
[  958.570297][T18511] loop0: detected capacity change from 0 to 2048
[  958.578004][T18509] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.613348][T18506] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  958.667171][T18511] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.672812][T18513] loop3: detected capacity change from 0 to 2048
[  958.724336][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  958.765084][T18522] loop2: detected capacity change from 0 to 2048
[  958.774960][T18522] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  958.795042][T18513] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  958.894792][T18530] loop5: detected capacity change from 0 to 2048
[  958.905745][T18530] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  958.984050][T18525] loop1: detected capacity change from 0 to 2048
[  959.002364][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  959.037680][T18531] loop0: detected capacity change from 0 to 2048
[  959.051702][T18539] loop2: detected capacity change from 0 to 2048
[  959.061242][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  959.061289][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
executing program
[  959.081949][T18525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.097932][T18535] loop3: detected capacity change from 0 to 2048
[  959.111049][T18531] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.127222][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  959.156939][T18539] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.169438][T18535] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  959.200327][T18541] loop5: detected capacity change from 0 to 2048
[  959.232643][T18541] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  959.337604][T18558] loop2: detected capacity change from 0 to 2048
[  959.363315][T18558] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  959.462474][T18554] loop0: detected capacity change from 0 to 2048
executing program
[  959.521268][T18560] loop1: detected capacity change from 0 to 2048
[  959.527051][T18561] loop5: detected capacity change from 0 to 2048
[  959.531329][T18554] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.542795][T18564] loop3: detected capacity change from 0 to 2048
[  959.573481][T18561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.586526][T18564] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.633116][T18560] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  959.694172][T18567] loop2: detected capacity change from 0 to 2048
[  959.708883][T18567] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  959.880264][T18582] loop5: detected capacity change from 0 to 2048
[  959.895555][T18580] loop3: detected capacity change from 0 to 2048
[  959.933340][T18580] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.958514][T18582] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  959.979403][T18585] loop0: detected capacity change from 0 to 2048
[  960.005529][T18588] loop1: detected capacity change from 0 to 2048
[  960.034158][T18585] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  960.068219][T18588] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.105568][T18589] loop2: detected capacity change from 0 to 2048
executing program
[  960.151479][T18600] loop3: detected capacity change from 0 to 2048
[  960.171964][T18589] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  960.212088][T18603] loop5: detected capacity change from 0 to 2048
[  960.215420][T18600] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.231627][T18603] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  960.357795][T18607] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  960.399193][T18616] loop5: detected capacity change from 0 to 2048
[  960.427603][T18616] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.447055][T18607] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.473535][T18617] loop2: detected capacity change from 0 to 2048
[  960.525908][T18617] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.533449][T18618] loop3: detected capacity change from 0 to 2048
[  960.549418][T18619] loop1: detected capacity change from 0 to 2048
executing program
[  960.585226][T18619] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.600001][T18618] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  960.703196][T18630] loop0: detected capacity change from 0 to 2048
[  960.736878][T18630] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  960.738895][T18634] loop5: detected capacity change from 0 to 2048
[  960.764268][T18634] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  960.815574][T18636] loop1: detected capacity change from 0 to 2048
executing program
[  960.868246][T18636] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.906412][T18644] loop3: detected capacity change from 0 to 2048
executing program
[  960.921194][T18644] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  960.950284][T18646] loop5: detected capacity change from 0 to 2048
executing program
[  960.961439][T18646] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  961.004560][T18638] loop2: detected capacity change from 0 to 2048
[  961.024567][T18650] loop0: detected capacity change from 0 to 2048
[  961.059170][T18638] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.066577][T18655] loop1: detected capacity change from 0 to 2048
[  961.088484][T18650] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  961.105890][T18655] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  961.233078][T18658] loop5: detected capacity change from 0 to 2048
[  961.244998][T18658] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  961.281988][T18665] loop3: detected capacity change from 0 to 2048
[  961.302428][ T5205] buffer_io_error: 70 callbacks suppressed
[  961.302446][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  961.376796][T18665] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.388057][T18670] loop0: detected capacity change from 0 to 2048
executing program
[  961.424363][T18672] loop2: detected capacity change from 0 to 2048
[  961.434887][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  961.449548][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  961.460010][T18670] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.472445][T18674] loop1: detected capacity change from 0 to 2048
[  961.486832][T18678] loop5: detected capacity change from 0 to 2048
[  961.497289][T18678] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.500169][T18674] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  961.516084][T18672] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  961.593615][T18687] loop3: detected capacity change from 0 to 2048
[  961.628032][T18687] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  961.645623][T18690] loop5: detected capacity change from 0 to 2048
[  961.660346][T18690] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  961.756074][T18700] loop0: detected capacity change from 0 to 2048
[  961.778122][T18694] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  961.800707][T18694] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.804743][T18700] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.818428][T18701] loop1: detected capacity change from 0 to 2048
[  961.854234][T18701] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.882545][T18704] loop3: detected capacity change from 0 to 2048
executing program
[  961.893994][T18704] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  961.918990][T18706] loop5: detected capacity change from 0 to 2048
[  961.930151][ T5175] Buffer I/O error on dev loop5, logical block 0, async page read
[  961.977705][T18711] loop2: detected capacity change from 0 to 2048
[  961.986081][T18706] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  962.044644][T18711] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  962.112844][T18720] loop0: detected capacity change from 0 to 2048
[  962.122587][T18720] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  962.170585][T18723] loop3: detected capacity change from 0 to 2048
[  962.180407][T18723] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  962.220524][T18726] loop1: detected capacity change from 0 to 2048
[  962.229466][T18726] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  962.361318][T18733] loop5: detected capacity change from 0 to 2048
[  962.371369][T18733] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  962.448763][T18740] loop1: detected capacity change from 0 to 2048
[  962.454942][T18736] loop2: detected capacity change from 0 to 2048
[  962.481752][T18739] loop0: detected capacity change from 0 to 2048
[  962.502649][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  962.513012][T18736] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  962.517759][T18740] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  962.534241][T18741] loop3: detected capacity change from 0 to 2048
executing program
[  962.547373][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  962.557956][T18741] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  962.584072][T18745] loop5: detected capacity change from 0 to 2048
[  962.596266][T18739] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  962.622114][T18745] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  962.741237][T18757] loop2: detected capacity change from 0 to 2048
[  962.752126][T18757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  962.825229][T18763] loop0: detected capacity change from 0 to 2048
[  962.838699][T18763] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  962.891821][T18766] loop5: detected capacity change from 0 to 2048
[  962.918248][T18760] loop1: detected capacity change from 0 to 2048
[  962.934157][T18761] loop3: detected capacity change from 0 to 2048
[  962.939244][T18769] loop2: detected capacity change from 0 to 2048
[  962.944576][ T5156] blk_print_req_error: 106 callbacks suppressed
[  962.944594][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  962.961058][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  962.972757][T18766] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.011067][T18760] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.024451][T18761] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.039110][T18769] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  963.147899][T18777] loop0: detected capacity change from 0 to 2048
[  963.152772][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  963.211467][T18783] loop5: detected capacity change from 0 to 2048
[  963.227405][T18777] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  963.273033][T18783] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.340247][T18786] loop1: detected capacity change from 0 to 2048
[  963.377128][T18789] loop3: detected capacity change from 0 to 2048
[  963.404534][T18788] loop2: detected capacity change from 0 to 2048
[  963.416333][T18788] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.430062][T18789] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  963.454232][T18786] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.546382][T18796] loop0: detected capacity change from 0 to 2048
[  963.580409][T18797] loop5: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  963.589953][T18796] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.606461][T18797] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.674945][T18807] loop3: detected capacity change from 0 to 2048
[  963.692734][ T5205] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  963.726510][T18807] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.729981][T18805] loop2: detected capacity change from 0 to 2048
[  963.747559][T18810] loop1: detected capacity change from 0 to 2048
executing program
[  963.771158][T18810] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.778928][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  963.808618][T18805] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  963.822102][T18815] loop5: detected capacity change from 0 to 2048
[  963.843426][T18815] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  963.978385][T18818] loop0: detected capacity change from 0 to 2048
[  964.023310][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  964.067050][T18828] loop2: detected capacity change from 0 to 2048
[  964.075598][T18818] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.095772][T18829] loop3: detected capacity change from 0 to 2048
[  964.105436][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  964.128897][T18829] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.143661][T18828] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  964.339813][T18837] loop0: detected capacity change from 0 to 2048
[  964.343004][T18841] loop2: detected capacity change from 0 to 2048
[  964.380855][T18837] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.392426][T18843] loop3: detected capacity change from 0 to 2048
[  964.399508][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  964.399739][T18841] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.420857][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  964.429822][T18845] loop5: detected capacity change from 0 to 2048
[  964.437824][T18844] loop1: detected capacity change from 0 to 2048
[  964.441203][T18845] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.446169][ T5156] Buffer I/O error on dev loop3, logical block 0, async page read
[  964.464486][T18844] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.477203][T18843] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  964.565526][T18858] loop2: detected capacity change from 0 to 2048
[  964.581343][T18858] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.598080][T18860] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  964.612324][T18860] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  964.717493][T18868] loop0: detected capacity change from 0 to 2048
[  964.736012][T18868] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.755612][T18869] loop1: detected capacity change from 0 to 2048
[  964.778530][T18869] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.799192][T18870] loop3: detected capacity change from 0 to 2048
executing program
[  964.827566][T18870] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.831275][T18876] loop5: detected capacity change from 0 to 2048
[  964.847734][T18873] loop2: detected capacity change from 0 to 2048
[  964.860313][T18873] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.876226][T18876] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  964.929797][T18878] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  964.989758][T18878] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  965.059298][T18889] loop3: detected capacity change from 0 to 2048
executing program
[  965.128948][T18891] loop1: detected capacity change from 0 to 2048
[  965.135842][T18889] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.152583][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  965.189918][T18895] loop2: detected capacity change from 0 to 2048
[  965.204387][T18891] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.204566][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  965.232390][T18896] loop5: detected capacity change from 0 to 2048
[  965.235910][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
[  965.254825][T18895] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  965.288352][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
[  965.303191][T18898] loop0: detected capacity change from 0 to 2048
[  965.315950][T18896] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  965.409733][T18898] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.446491][T18905] loop3: detected capacity change from 0 to 2048
executing program
[  965.482496][T18912] loop2: detected capacity change from 0 to 2048
[  965.493471][T18912] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.547079][T18916] loop5: detected capacity change from 0 to 2048
[  965.565937][T18905] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.571889][T18908] loop1: detected capacity change from 0 to 2048
executing program
[  965.607707][T18916] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.643040][T18921] loop0: detected capacity change from 0 to 2048
executing program
[  965.654724][T18921] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.668842][T18908] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  965.792787][T18926] loop2: detected capacity change from 0 to 2048
[  965.809958][T18926] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  965.887320][T18933] loop1: detected capacity change from 0 to 2048
[  965.901496][T18935] loop3: detected capacity change from 0 to 2048
[  965.910537][T18933] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.957457][T18936] loop5: detected capacity change from 0 to 2048
[  965.961558][T18938] loop0: detected capacity change from 0 to 2048
[  965.971023][T18935] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  965.983505][T18938] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  966.018635][T18936] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  966.118097][T18948] loop2: detected capacity change from 0 to 2048
[  966.129685][T18948] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  966.185797][T18953] loop0: detected capacity change from 0 to 2048
[  966.201560][T18953] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.249798][T18956] loop5: detected capacity change from 0 to 2048
[  966.253291][T18957] loop3: detected capacity change from 0 to 2048
[  966.273522][T18957] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.292441][T18958] loop1: detected capacity change from 0 to 2048
executing program
[  966.300599][T18956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.313482][T18958] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.340868][T18964] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  966.403190][T18964] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  966.478654][T18972] loop0: detected capacity change from 0 to 2048
[  966.499111][T18977] loop3: detected capacity change from 0 to 2048
[  966.510329][T18972] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  966.527332][T18977] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.532891][T18975] loop5: detected capacity change from 0 to 2048
[  966.566686][T18980] loop1: detected capacity change from 0 to 2048
[  966.589551][T18975] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.611466][T18980] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  966.642867][T18986] loop2: detected capacity change from 0 to 2048
[  966.661724][T18986] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  966.730126][T18995] loop3: detected capacity change from 0 to 2048
[  966.756841][T18995] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  966.832976][T18998] loop0: detected capacity change from 0 to 2048
[  966.889240][T19006] loop2: detected capacity change from 0 to 2048
[  966.892480][ T5175] buffer_io_error: 41 callbacks suppressed
[  966.892497][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  966.898309][T19002] loop5: detected capacity change from 0 to 2048
[  966.911953][ T5175] Buffer I/O error on dev loop2, logical block 0, async page read
[  966.925027][T19001] loop1: detected capacity change from 0 to 2048
executing program
[  966.927695][T18998] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.949643][T19001] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.962594][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  966.987846][T19006] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  966.991357][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  967.029466][T19002] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  967.064073][T19008] loop3: detected capacity change from 0 to 2048
[  967.076037][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
executing program
[  967.151220][T19008] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  967.275544][T19024] loop0: detected capacity change from 0 to 2048
[  967.312688][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  967.350493][T19024] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  967.425647][T19025] loop2: detected capacity change from 0 to 2048
[  967.450450][T19027] loop1: detected capacity change from 0 to 2048
[  967.463103][T19028] loop3: detected capacity change from 0 to 2048
[  967.485772][T19025] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  967.500283][T19033] loop5: detected capacity change from 0 to 2048
[  967.514858][T19027] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  967.530105][T19033] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  967.558621][T19028] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  967.668621][T19041] loop0: detected capacity change from 0 to 2048
[  967.679927][T19041] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  967.832682][T19054] loop3: detected capacity change from 0 to 2048
[  967.841200][T19048] loop1: detected capacity change from 0 to 2048
[  967.852598][T19054] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  967.897386][T19048] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  967.977297][T19066] loop3: detected capacity change from 0 to 2048
[  967.978782][ T5156] blk_print_req_error: 66 callbacks suppressed
[  967.978800][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  967.995748][T19060] loop0: detected capacity change from 0 to 2048
executing program
[  968.021815][T19060] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.024589][T19059] loop5: detected capacity change from 0 to 2048
[  968.033934][T19066] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.057321][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  968.076883][T19056] loop2: detected capacity change from 0 to 2048
[  968.098771][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  968.141641][T19059] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.149747][T19068] loop1: detected capacity change from 0 to 2048
[  968.166136][T19056] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.198819][T19068] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  968.347411][T19083] loop3: detected capacity change from 0 to 2048
[  968.362350][T19083] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.402907][T19080] loop0: detected capacity change from 0 to 2048
[  968.420592][T19080] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  968.486936][T19084] loop5: detected capacity change from 0 to 2048
[  968.502847][T19084] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.583034][T19087] loop1: detected capacity change from 0 to 2048
[  968.589890][T19090] loop2: detected capacity change from 0 to 2048
[  968.602614][T19087] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  968.640891][T19092] loop3: detected capacity change from 0 to 2048
[  968.656913][T19090] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.676776][T19092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.720102][T19098] loop5: detected capacity change from 0 to 2048
[  968.740632][T19098] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  968.783497][T19104] loop0: detected capacity change from 0 to 2048
[  968.808704][T19104] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  968.883345][T19112] loop2: detected capacity change from 0 to 2048
[  968.916428][T19110] loop1: detected capacity change from 0 to 2048
executing program
[  968.932276][T19110] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.935711][T19112] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  968.968633][T19117] loop5: detected capacity change from 0 to 2048
[  968.978004][T19115] loop3: detected capacity change from 0 to 2048
[  968.990041][T19117] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.019174][T19115] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.023874][T19120] loop0: detected capacity change from 0 to 2048
executing program
[  969.075989][T19120] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  969.164252][T19130] loop1: detected capacity change from 0 to 2048
[  969.227948][T19130] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.249328][T19135] loop2: detected capacity change from 0 to 2048
[  969.268908][T19135] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  969.414687][T19145] loop5: detected capacity change from 0 to 2048
[  969.437535][T19141] loop0: detected capacity change from 0 to 2048
[  969.456742][T19145] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.482965][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  969.490834][T19146] loop3: detected capacity change from 0 to 2048
[  969.506207][T19148] loop2: detected capacity change from 0 to 2048
[  969.515793][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  969.526425][T19146] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.538429][T19150] loop1: detected capacity change from 0 to 2048
[  969.544026][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  969.556499][T19141] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.570655][T19150] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.570935][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  969.605471][T19148] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  969.712654][T19160] loop5: detected capacity change from 0 to 2048
[  969.724233][T19160] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.744333][T19165] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  969.755815][T19165] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.794342][T19167] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  969.866537][T19167] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.868225][T19170] loop3: detected capacity change from 0 to 2048
[  969.898363][T19169] loop2: detected capacity change from 0 to 2048
[  969.919633][T19169] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  969.937472][T19170] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  970.001657][T19177] loop0: detected capacity change from 0 to 2048
[  970.032090][T19177] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  970.076400][T19178] loop5: detected capacity change from 0 to 2048
[  970.095870][T19178] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  970.136345][ T5124] EXT4-fs unmount: 789 callbacks suppressed
[  970.136367][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  970.149079][T19188] loop1: detected capacity change from 0 to 2048
[  970.162305][T19178] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  970.201939][T19188] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.237521][T19196] loop2: detected capacity change from 0 to 2048
[  970.246349][T19177] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.262479][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  970.286782][T19196] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  970.300553][T19188] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.341563][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  970.367810][T19196] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.389872][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  970.431367][T19204] loop5: detected capacity change from 0 to 2048
[  970.444094][T19204] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.459318][T19201] loop3: detected capacity change from 0 to 2048
[  970.479859][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  970.491541][T19204] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.504742][T19208] loop1: detected capacity change from 0 to 2048
[  970.526464][T19201] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.532139][T19207] loop0: detected capacity change from 0 to 2048
[  970.538581][T19208] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.560087][T19207] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.629601][T19208] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.655999][T19201] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  970.676760][T19207] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.692735][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  970.704973][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  970.744969][T19218] loop2: detected capacity change from 0 to 2048
[  970.746272][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  970.762850][T19218] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.783379][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  970.784673][T19220] loop1: detected capacity change from 0 to 2048
[  970.805180][T19220] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.829976][T19222] loop5: detected capacity change from 0 to 2048
executing program
executing program
[  970.841390][T19222] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.864454][T19218] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.916314][T19220] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.923648][T19227] loop0: detected capacity change from 0 to 2048
[  970.930118][T19222] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  970.948628][T19227] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  970.952611][T19228] loop3: detected capacity change from 0 to 2048
[  970.976394][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  970.990725][T19228] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  971.044945][T19227] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.081463][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.099504][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.111368][T19228] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.142676][T19236] loop2: detected capacity change from 0 to 2048
[  971.161965][T19236] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  971.201718][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.215421][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  971.247182][T19236] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.249361][T19242] loop1: detected capacity change from 0 to 2048
[  971.264211][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  971.313463][T19242] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  971.368355][T19244] loop5: detected capacity change from 0 to 2048
[  971.371454][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.386036][T19244] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  971.389206][T19247] loop3: detected capacity change from 0 to 2048
[  971.411919][T19247] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  971.426593][T19242] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  971.457884][T19244] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.476958][T19254] loop2: detected capacity change from 0 to 2048
[  971.486298][T19249] loop0: detected capacity change from 0 to 2048
[  971.486714][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.513220][T19249] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  971.526384][T19247] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.526933][T19254] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  971.570125][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.601521][T19249] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[  971.616004][T19254] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.633988][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.681466][T19263] loop5: detected capacity change from 0 to 2048
[  971.710398][T19263] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  971.722626][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  971.724444][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.762184][T19264] loop1: detected capacity change from 0 to 2048
[  971.776208][T19264] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  971.792193][T19263] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.802009][T19266] loop3: detected capacity change from 0 to 2048
[  971.817698][T19266] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  971.833469][T19264] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.849343][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[  971.890049][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  971.920428][T19266] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  971.929654][T19275] loop2: detected capacity change from 0 to 2048
[  971.937097][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  971.954274][T19274] loop0: detected capacity change from 0 to 2048
[  971.977779][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
executing program
[  971.990821][T19274] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.013293][T19278] loop5: detected capacity change from 0 to 2048
[  972.015551][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  972.023761][T19278] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.043137][T19275] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.057305][T19274] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.060264][T19280] loop1: detected capacity change from 0 to 2048
[  972.079335][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.080890][T19275] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.090771][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  972.148142][T19280] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.167519][T19278] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.182347][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[  972.215985][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.234418][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.256256][T19280] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.287455][T19292] loop0: detected capacity change from 0 to 2048
[  972.305163][T19292] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.315335][T19290] loop3: detected capacity change from 0 to 2048
executing program
[  972.337090][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.355804][T19290] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.356102][T19294] loop2: detected capacity change from 0 to 2048
executing program
[  972.402822][T19294] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.423277][T19292] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  972.448219][T19290] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.470135][T19294] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.476513][T19303] loop1: detected capacity change from 0 to 2048
[  972.495323][T19303] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.540182][T19299] loop5: detected capacity change from 0 to 2048
[  972.542377][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.566605][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.577574][T19299] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  972.612627][T19303] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.613519][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.650523][T19299] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[  972.691757][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.710099][T19312] loop3: detected capacity change from 0 to 2048
[  972.736470][T19312] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.752206][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  972.758582][T19314] loop2: detected capacity change from 0 to 2048
[  972.771319][T19311] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  972.773210][T19312] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[  972.792944][T19314] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.814483][T19311] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  972.895451][T19318] loop1: detected capacity change from 0 to 2048
[  972.905815][T19318] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.926387][T19322] loop5: detected capacity change from 0 to 2048
executing program
[  972.953189][T19322] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  972.973623][T19326] loop2: detected capacity change from 0 to 2048
[  972.983002][T19326] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  973.025952][T19328] loop3: detected capacity change from 0 to 2048
[  973.048912][T19328] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.069366][T19333] loop0: detected capacity change from 0 to 2048
[  973.086925][T19333] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.106642][T19340] loop5: detected capacity change from 0 to 2048
executing program
[  973.127714][T19340] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  973.181641][T19339] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  973.235311][T19345] loop2: detected capacity change from 0 to 2048
[  973.252882][T19350] loop0: detected capacity change from 0 to 2048
[  973.262326][T19339] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.276353][T19345] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.287836][T19350] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.289411][T19354] loop5: detected capacity change from 0 to 2048
[  973.308071][T19354] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.343463][T19352] loop3: detected capacity change from 0 to 2048
[  973.353001][T19352] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  973.434403][T19364] loop2: detected capacity change from 0 to 2048
[  973.468133][T19364] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  973.479224][T19369] loop0: detected capacity change from 0 to 2048
[  973.491616][T19369] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.541951][T19370] loop5: detected capacity change from 0 to 2048
[  973.588096][T19372] loop1: detected capacity change from 0 to 2048
[  973.597701][T19370] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.613007][T19372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.626791][T19377] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  973.628093][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  973.665605][T19377] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.705613][T19382] loop0: detected capacity change from 0 to 2048
executing program
[  973.717418][T19382] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.731079][T19381] loop2: detected capacity change from 0 to 2048
[  973.745300][T19381] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  973.811058][T19393] loop5: detected capacity change from 0 to 2048
[  973.833331][T19393] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  973.894835][T19396] loop3: detected capacity change from 0 to 2048
[  973.907866][T19398] loop1: detected capacity change from 0 to 2048
[  973.912434][T19396] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  973.958986][T19398] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  973.972594][T19401] loop0: detected capacity change from 0 to 2048
[  973.985139][T19401] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  974.004758][T19404] loop2: detected capacity change from 0 to 2048
[  974.027046][T19404] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  974.091260][T19413] loop5: detected capacity change from 0 to 2048
[  974.104419][T19413] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  974.175223][T19416] loop1: detected capacity change from 0 to 2048
[  974.186327][T19416] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  974.225169][T19420] loop3: detected capacity change from 0 to 2048
[  974.235254][T19420] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  974.287946][T19424] loop0: detected capacity change from 0 to 2048
[  974.297541][T19424] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  974.326268][T19430] loop5: detected capacity change from 0 to 2048
[  974.328835][T19422] loop2: detected capacity change from 0 to 2048
[  974.352518][T19430] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  974.415138][T19422] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  974.572125][T19438] loop0: detected capacity change from 0 to 2048
[  974.589485][T19438] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  974.629078][T19436] loop3: detected capacity change from 0 to 2048
[  974.652433][T19446] loop2: detected capacity change from 0 to 2048
[  974.672747][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  974.687458][T19441] loop1: detected capacity change from 0 to 2048
[  974.689301][T19436] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  974.708126][T19446] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  974.708828][T19443] loop5: detected capacity change from 0 to 2048
[  974.727751][T19441] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  974.746845][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  974.778238][T19443] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  974.927261][T19460] loop3: detected capacity change from 0 to 2048
[  974.952039][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  974.968504][T19450] loop0: detected capacity change from 0 to 2048
[  975.002582][T19460] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.021153][T19450] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.058956][T19464] loop5: detected capacity change from 0 to 2048
[  975.069099][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  975.076167][T19463] loop1: detected capacity change from 0 to 2048
[  975.129991][T19464] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.146578][T19466] loop2: detected capacity change from 0 to 2048
[  975.151481][T19463] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  975.170417][T19466] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  975.276978][T19476] loop0: detected capacity change from 0 to 2048
[  975.300293][T19476] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  975.458146][T19487] loop3: detected capacity change from 0 to 2048
[  975.468671][T19487] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.480757][T19486] loop5: detected capacity change from 0 to 2048
executing program
[  975.513854][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  975.544420][T19488] loop1: detected capacity change from 0 to 2048
[  975.557603][T19492] loop2: detected capacity change from 0 to 2048
[  975.569765][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  975.575367][T19496] loop0: detected capacity change from 0 to 2048
[  975.588769][ T5146] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  975.598723][T19496] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.615272][T19486] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.622138][T19492] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.628566][T19488] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  975.784644][T19505] loop3: detected capacity change from 0 to 2048
[  975.796733][T19505] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  975.880271][T19510] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  975.919860][T19510] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  975.951388][T19514] loop2: detected capacity change from 0 to 2048
[  975.959494][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  976.004271][T19514] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.013388][T19516] loop1: detected capacity change from 0 to 2048
executing program
[  976.053241][T19516] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.108331][T19520] loop5: detected capacity change from 0 to 2048
[  976.135687][ T5205] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  976.137939][T19522] loop3: detected capacity change from 0 to 2048
[  976.178835][T19520] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.186595][T19524] loop0: detected capacity change from 0 to 2048
[  976.205831][T19522] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.219471][T19524] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  976.465400][T19542] loop3: detected capacity change from 0 to 2048
[  976.469332][T19537] loop1: detected capacity change from 0 to 2048
[  976.483546][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  976.493836][T19539] loop5: detected capacity change from 0 to 2048
[  976.505038][T19541] loop2: detected capacity change from 0 to 2048
[  976.515547][T19539] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.528021][T19537] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.537405][T19542] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.548050][T19544] loop0: detected capacity change from 0 to 2048
[  976.558042][T19541] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.570497][T19544] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  976.710476][T19558] loop0: detected capacity change from 0 to 2048
[  976.719070][T19558] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.722224][T19556] loop3: detected capacity change from 0 to 2048
executing program
[  976.754925][T19556] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.785931][T19565] loop5: detected capacity change from 0 to 2048
[  976.796083][T19565] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  976.830336][T19560] loop2: detected capacity change from 0 to 2048
[  976.850898][T19560] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  976.879291][T19566] loop1: detected capacity change from 0 to 2048
[  976.900699][ T5139] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  976.946313][T19566] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.011311][T19574] loop3: detected capacity change from 0 to 2048
[  977.021366][T19574] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.035380][T19570] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  977.058525][ T5156] Buffer I/O error on dev loop0, logical block 0, async page read
[  977.081114][T19570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.173528][T19580] loop5: detected capacity change from 0 to 2048
[  977.176748][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
[  977.185885][T19582] loop1: detected capacity change from 0 to 2048
executing program
[  977.221982][T19582] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.241938][T19580] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  977.291433][T19588] loop2: detected capacity change from 0 to 2048
[  977.306040][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  977.326599][T19590] loop0: detected capacity change from 0 to 2048
[  977.341092][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  977.350871][T19588] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.364387][T19594] loop3: detected capacity change from 0 to 2048
[  977.371410][T19590] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  977.410012][T19594] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  977.464737][T19601] loop1: detected capacity change from 0 to 2048
[  977.502325][T19606] loop5: detected capacity change from 0 to 2048
executing program
[  977.529774][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
[  977.530255][T19601] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.538200][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
[  977.563158][ T5146] Buffer I/O error on dev loop5, logical block 0, async page read
executing program
executing program
executing program
[  977.624631][T19606] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.645422][T19613] loop0: detected capacity change from 0 to 2048
[  977.654305][T19613] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.731310][T19616] loop1: detected capacity change from 0 to 2048
[  977.748020][T19616] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  977.776774][T19611] loop2: detected capacity change from 0 to 2048
[  977.826745][T19614] loop3: detected capacity change from 0 to 2048
[  977.850149][T19611] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  977.878537][T19624] loop0: detected capacity change from 0 to 2048
[  977.888021][T19624] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  977.894067][T19614] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  977.981305][T19628] loop1: detected capacity change from 0 to 2048
[  977.992353][T19628] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.020312][T19626] loop5: detected capacity change from 0 to 2048
executing program
[  978.043665][T19634] loop0: detected capacity change from 0 to 2048
[  978.064241][T19634] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  978.098497][T19626] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.127806][T19640] loop2: detected capacity change from 0 to 2048
executing program
[  978.165223][T19640] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.180946][T19642] loop1: detected capacity change from 0 to 2048
[  978.203000][T19642] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.240799][T19650] loop0: detected capacity change from 0 to 2048
[  978.244097][T19646] loop3: detected capacity change from 0 to 2048
[  978.249710][T19650] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  978.286335][T19646] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.308233][T19656] loop5: detected capacity change from 0 to 2048
[  978.328687][T19656] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  978.449358][T19664] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  978.514898][T19664] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.519221][T19666] loop2: detected capacity change from 0 to 2048
[  978.546847][T19666] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.620166][T19668] loop5: detected capacity change from 0 to 2048
[  978.647765][T19672] loop0: detected capacity change from 0 to 2048
[  978.657587][T19672] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  978.666343][T19671] loop3: detected capacity change from 0 to 2048
[  978.671842][T19668] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.692219][T19671] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  978.806478][T19684] loop2: detected capacity change from 0 to 2048
[  978.830818][T19679] loop1: detected capacity change from 0 to 2048
[  978.840191][ T5156] blk_print_req_error: 16 callbacks suppressed
[  978.840210][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  978.870434][T19684] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  978.873541][T19688] loop3: detected capacity change from 0 to 2048
[  978.897384][T19679] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  978.911459][T19688] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  979.015285][T19700] loop0: detected capacity change from 0 to 2048
[  979.032377][T19700] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  979.069759][T19702] loop1: detected capacity change from 0 to 2048
[  979.078879][T19702] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.134931][T19699] loop5: detected capacity change from 0 to 2048
[  979.155226][T19699] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  979.184026][T19710] loop2: detected capacity change from 0 to 2048
[  979.199998][T19710] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  979.229921][T19704] loop3: detected capacity change from 0 to 2048
[  979.249053][T19714] loop0: detected capacity change from 0 to 2048
[  979.258264][T19704] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  979.307726][T19714] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.330283][T19713] loop1: detected capacity change from 0 to 2048
[  979.361594][T19713] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.397132][T19720] loop5: detected capacity change from 0 to 2048
[  979.420219][T19724] loop2: detected capacity change from 0 to 2048
[  979.430420][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  979.450226][T19720] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  979.476345][T19724] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.504472][T19730] loop3: detected capacity change from 0 to 2048
executing program
[  979.528370][T19730] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  979.681982][T19734] loop0: detected capacity change from 0 to 2048
[  979.700093][T19740] loop1: detected capacity change from 0 to 2048
[  979.711667][T19734] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.730955][T19740] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.770037][T19742] loop2: detected capacity change from 0 to 2048
[  979.789657][T19746] loop3: detected capacity change from 0 to 2048
[  979.808511][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  979.824571][T19742] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.826832][T19745] loop5: detected capacity change from 0 to 2048
[  979.858937][T19746] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  979.863106][ T5175] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  979.920975][T19745] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  980.041952][T19762] loop1: detected capacity change from 0 to 2048
[  980.054876][T19762] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  980.076793][T19757] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  980.101553][T19757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  980.154302][T19767] loop5: detected capacity change from 0 to 2048
[  980.161563][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  980.194004][T19767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  980.195282][T19770] loop3: detected capacity change from 0 to 2048
[  980.219906][T19764] loop2: detected capacity change from 0 to 2048
[  980.230290][T19770] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  980.258205][T19764] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  980.335845][T19776] loop0: detected capacity change from 0 to 2048
[  980.356897][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  980.382400][T19783] loop3: detected capacity change from 0 to 2048
[  980.389474][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  980.400883][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  980.410529][T19783] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  980.426813][T19776] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  980.495191][T19784] loop1: detected capacity change from 0 to 2048
[  980.504727][T19784] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  980.561079][T19786] loop5: detected capacity change from 0 to 2048
[  980.574403][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  980.625876][T19794] loop2: detected capacity change from 0 to 2048
[  980.634188][ T5139] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  980.665220][T19786] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  980.665441][T19795] loop3: detected capacity change from 0 to 2048
[  980.687593][T19795] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  980.700744][T19796] loop0: detected capacity change from 0 to 2048
[  980.703477][T19794] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  980.719063][T19796] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  980.796643][T19800] loop1: detected capacity change from 0 to 2048
[  980.826490][T19800] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  980.886927][T19811] loop2: detected capacity change from 0 to 2048
[  980.895515][T19811] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  980.931872][T19813] loop3: detected capacity change from 0 to 2048
[  980.980825][T19813] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  980.986257][T19818] loop0: detected capacity change from 0 to 2048
executing program
[  981.025445][T19818] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.041298][T19816] loop5: detected capacity change from 0 to 2048
[  981.050254][T19816] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  981.183562][T19830] loop2: detected capacity change from 0 to 2048
[  981.223112][T19830] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.263511][T19832] loop3: detected capacity change from 0 to 2048
[  981.270572][T19824] loop1: detected capacity change from 0 to 2048
[  981.285789][T19834] loop0: detected capacity change from 0 to 2048
[  981.297498][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  981.308258][T19834] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.324449][T19832] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.336316][T19824] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  981.388555][T19839] loop5: detected capacity change from 0 to 2048
[  981.397616][T19839] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  981.449639][T19846] loop2: detected capacity change from 0 to 2048
[  981.463528][T19846] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  981.542892][T19850] loop0: detected capacity change from 0 to 2048
executing program
[  981.589544][T19850] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.594424][T19856] loop5: detected capacity change from 0 to 2048
[  981.609978][T19856] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.626139][T19858] loop3: detected capacity change from 0 to 2048
executing program
[  981.643602][T19858] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.678190][T19855] loop1: detected capacity change from 0 to 2048
[  981.700308][T19855] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  981.834062][T19862] loop2: detected capacity change from 0 to 2048
[  981.850742][T19862] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.876274][T19871] loop0: detected capacity change from 0 to 2048
[  981.894949][T19872] loop5: detected capacity change from 0 to 2048
[  981.903607][T19876] loop3: detected capacity change from 0 to 2048
[  981.916924][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  981.933631][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  981.949790][T19871] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.954728][T19876] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  981.966422][T19875] loop1: detected capacity change from 0 to 2048
[  981.995296][T19872] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.022440][T19875] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  982.112470][T19886] loop2: detected capacity change from 0 to 2048
[  982.123550][T19886] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  982.172536][T19889] loop0: detected capacity change from 0 to 2048
[  982.185571][T19889] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  982.232680][T19894] loop5: detected capacity change from 0 to 2048
[  982.246413][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  982.246491][T19899] loop2: detected capacity change from 0 to 2048
[  982.263604][T19899] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  982.292840][T19894] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.309878][T19903] loop1: detected capacity change from 0 to 2048
[  982.324926][T19903] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  982.396692][T19896] loop3: detected capacity change from 0 to 2048
[  982.425399][T19896] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.467099][T19907] loop0: detected capacity change from 0 to 2048
[  982.511075][ T5139] Buffer I/O error on dev loop0, logical block 0, async page read
[  982.544246][T19907] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  982.552455][T19912] loop2: detected capacity change from 0 to 2048
executing program
[  982.588687][T19912] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.678435][T19919] loop5: detected capacity change from 0 to 2048
[  982.706191][T19921] loop3: detected capacity change from 0 to 2048
[  982.713351][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  982.714490][T19920] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  982.729878][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  982.738528][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  982.747221][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[  982.769835][T19919] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.770095][T19920] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.814337][T19921] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.869185][T19929] loop2: detected capacity change from 0 to 2048
[  982.899580][T19928] loop0: detected capacity change from 0 to 2048
[  982.908348][T19928] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  982.916333][ T5146] Buffer I/O error on dev loop2, logical block 0, async page read
executing program
executing program
[  982.986359][T19929] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  983.032591][T19941] loop0: detected capacity change from 0 to 2048
[  983.045815][T19941] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.058784][T19939] loop5: detected capacity change from 0 to 2048
[  983.097680][T19945] loop3: detected capacity change from 0 to 2048
[  983.105314][T19939] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.118753][T19945] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  983.247045][T19954] loop2: detected capacity change from 0 to 2048
[  983.255787][T19954] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  983.350933][T19956] loop3: detected capacity change from 0 to 2048
[  983.375580][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  983.409366][T19957] loop1: detected capacity change from 0 to 2048
[  983.421162][T19956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.429790][T19964] loop5: detected capacity change from 0 to 2048
[  983.444646][T19965] loop2: detected capacity change from 0 to 2048
[  983.446646][T19961] loop0: detected capacity change from 0 to 2048
[  983.459365][T19964] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.473195][T19961] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.485564][T19957] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  983.509739][T19965] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  983.616415][T19977] loop3: detected capacity change from 0 to 2048
[  983.626104][T19977] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  983.681431][T19979] loop5: detected capacity change from 0 to 2048
executing program
[  983.732668][T19979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.744365][T19986] loop2: detected capacity change from 0 to 2048
[  983.753011][T19985] loop0: detected capacity change from 0 to 2048
[  983.774789][T19987] loop1: detected capacity change from 0 to 2048
[  983.784819][T19987] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.796347][T19986] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.814584][T19989] loop3: detected capacity change from 0 to 2048
[  983.823347][T19989] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  983.838520][T19985] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  983.969015][T20002] loop5: detected capacity change from 0 to 2048
[  983.987640][T20002] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  984.044411][T20004] loop1: detected capacity change from 0 to 2048
[  984.076488][T20004] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.092150][T20007] loop2: detected capacity change from 0 to 2048
[  984.108594][ T5146] blk_print_req_error: 17 callbacks suppressed
[  984.108614][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  984.131746][T20006] loop3: detected capacity change from 0 to 2048
[  984.154719][T20011] loop0: detected capacity change from 0 to 2048
[  984.166579][T20011] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.186147][T20007] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.198725][T20006] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  984.363807][T20022] loop1: detected capacity change from 0 to 2048
[  984.375851][T20022] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.448713][T20028] loop2: detected capacity change from 0 to 2048
[  984.462367][ T5175] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  984.477365][T20026] loop0: detected capacity change from 0 to 2048
[  984.479839][T20024] loop5: detected capacity change from 0 to 2048
[  984.494917][T20026] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.509691][T20028] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.517825][T20029] loop3: detected capacity change from 0 to 2048
[  984.532576][T20024] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  984.533325][T20029] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  984.631741][T20039] loop1: detected capacity change from 0 to 2048
[  984.645813][T20039] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  984.861985][T20051] loop0: detected capacity change from 0 to 2048
[  984.868333][T20055] loop3: detected capacity change from 0 to 2048
[  984.878991][T20055] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.881363][T20054] loop1: detected capacity change from 0 to 2048
[  984.903369][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  984.927474][T20054] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.933074][T20057] loop2: detected capacity change from 0 to 2048
[  984.950922][T20058] loop5: detected capacity change from 0 to 2048
[  984.971817][T20058] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  984.975375][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  984.984798][T20051] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.028524][T20057] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  985.173082][T20068] loop3: detected capacity change from 0 to 2048
[  985.198671][T20068] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  985.238079][T20075] loop0: detected capacity change from 0 to 2048
[  985.242550][ T5156] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  985.271741][T20074] loop5: detected capacity change from 0 to 2048
[  985.282770][T20075] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.296063][T20074] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.305574][T20076] loop1: detected capacity change from 0 to 2048
[  985.318888][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  985.339897][T20076] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.360957][T20079] loop2: detected capacity change from 0 to 2048
[  985.372635][T20079] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  985.443424][T20088] loop3: detected capacity change from 0 to 2048
[  985.452790][T20088] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.481361][T20092] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  985.500661][T20092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  985.551536][T20096] loop0: detected capacity change from 0 to 2048
[  985.557295][T20095] loop5: detected capacity change from 0 to 2048
[  985.567234][T20096] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  985.598682][T20101] loop2: detected capacity change from 0 to 2048
[  985.610264][T20101] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.628571][T20095] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  985.716555][T20110] loop1: detected capacity change from 0 to 2048
[  985.739467][T20110] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  985.777535][T20105] loop3: detected capacity change from 0 to 2048
[  985.791528][T20115] loop0: detected capacity change from 0 to 2048
[  985.800340][T20115] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  985.817173][T20105] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.835856][T20120] loop5: detected capacity change from 0 to 2048
[  985.853865][T20120] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.889546][T20116] loop2: detected capacity change from 0 to 2048
[  985.900849][T20116] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  985.927893][T20124] loop1: detected capacity change from 0 to 2048
executing program
[  985.938840][T20124] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  985.981033][T20130] loop0: detected capacity change from 0 to 2048
[  986.014022][T20130] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  986.040102][T20136] loop3: detected capacity change from 0 to 2048
[  986.067123][T20136] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  986.152517][T20141] loop1: detected capacity change from 0 to 2048
[  986.200681][T20147] loop0: detected capacity change from 0 to 2048
[  986.204806][T20150] loop3: detected capacity change from 0 to 2048
[  986.210840][T20142] loop5: detected capacity change from 0 to 2048
[  986.220283][T20150] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.242206][T20148] loop2: detected capacity change from 0 to 2048
[  986.245669][T20141] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.261550][T20147] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.261625][T20148] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.285334][T20142] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  986.381844][T20159] loop3: detected capacity change from 0 to 2048
executing program
[  986.432610][T20159] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  986.510522][T20164] loop0: detected capacity change from 0 to 2048
[  986.534344][T20164] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  986.681398][T20172] loop2: detected capacity change from 0 to 2048
[  986.698317][T20176] loop1: detected capacity change from 0 to 2048
[  986.698510][T20170] loop5: detected capacity change from 0 to 2048
[  986.712040][T20172] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.729160][T20170] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.734520][ T5205] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  986.764798][T20180] loop0: detected capacity change from 0 to 2048
[  986.780407][T20180] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.803775][T20178] loop3: detected capacity change from 0 to 2048
[  986.816699][T20176] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  986.846970][T20178] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.882753][T20188] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  986.906785][ T5146] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  986.957934][T20188] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  986.978160][T20196] loop0: detected capacity change from 0 to 2048
executing program
[  987.014459][T20196] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  987.026261][T20195] loop5: detected capacity change from 0 to 2048
[  987.039550][ T5139] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  987.088099][T20195] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  987.113316][T20199] loop1: detected capacity change from 0 to 2048
[  987.121275][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  987.163443][T20202] loop3: detected capacity change from 0 to 2048
[  987.173126][T20202] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  987.186030][T20199] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  987.197031][T20208] loop2: detected capacity change from 0 to 2048
executing program
[  987.209986][T20208] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  987.264500][T20213] loop0: detected capacity change from 0 to 2048
[  987.276027][T20213] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  987.434356][T20227] loop3: detected capacity change from 0 to 2048
[  987.447156][T20227] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  987.494616][T20229] loop5: detected capacity change from 0 to 2048
[  987.500583][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  987.549083][T20230] loop2: detected capacity change from 0 to 2048
[  987.558955][T20229] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  987.589751][T20230] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  987.656997][T20238] loop3: detected capacity change from 0 to 2048
[  987.663096][T20234] loop1: detected capacity change from 0 to 2048
[  987.670642][T20238] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  987.729588][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  987.743042][T20242] loop2: detected capacity change from 0 to 2048
[  987.748050][T20236] loop0: detected capacity change from 0 to 2048
[  987.756548][T20242] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  987.778818][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  987.793214][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  987.803348][T20234] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  987.860252][T20236] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  987.974499][T20249] loop5: detected capacity change from 0 to 2048
[  988.003816][T20258] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  988.020862][T20249] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  988.035145][T20258] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  988.053792][T20250] loop3: detected capacity change from 0 to 2048
[  988.059042][ T5205] Buffer I/O error on dev loop3, logical block 0, async page read
[  988.127027][T20260] loop0: detected capacity change from 0 to 2048
[  988.135598][T20250] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  988.170105][ T5175] Buffer I/O error on dev loop0, logical block 0, async page read
[  988.230362][T20260] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  988.274548][T20264] loop2: detected capacity change from 0 to 2048
[  988.274776][T20268] loop5: detected capacity change from 0 to 2048
[  988.315311][T20268] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  988.315589][T20270] loop1: detected capacity change from 0 to 2048
[  988.337154][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  988.354346][T20264] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  988.370848][T20270] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  988.413657][T20277] loop3: detected capacity change from 0 to 2048
[  988.424951][T20277] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  988.510617][T20286] loop2: detected capacity change from 0 to 2048
[  988.548250][T20286] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  988.635604][T20290] loop0: detected capacity change from 0 to 2048
[  988.639306][ T5205] Buffer I/O error on dev loop0, logical block 0, async page read
[  988.655248][T20293] loop1: detected capacity change from 0 to 2048
[  988.664970][T20293] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  988.727432][T20290] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  988.847115][T20299] loop3: detected capacity change from 0 to 2048
[  988.868805][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  988.892349][T20300] loop5: detected capacity change from 0 to 2048
[  988.895143][T20303] loop1: detected capacity change from 0 to 2048
[  988.906132][T20299] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  988.926206][T20304] loop2: detected capacity change from 0 to 2048
[  988.945208][T20300] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  988.945304][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  988.969261][T20304] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.000707][T20308] loop0: detected capacity change from 0 to 2048
[  989.012283][T20308] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.025338][T20303] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  989.195616][T20318] loop3: detected capacity change from 0 to 2048
[  989.205126][T20318] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.237961][T20322] loop2: detected capacity change from 0 to 2048
[  989.258098][T20323] loop0: detected capacity change from 0 to 2048
[  989.276312][T20322] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.292520][T20323] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.305111][T20327] loop5: detected capacity change from 0 to 2048
[  989.314437][T20328] loop1: detected capacity change from 0 to 2048
[  989.323443][T20327] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  989.336361][T20328] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.412317][T20336] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  989.456829][T20336] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.497460][T20342] loop2: detected capacity change from 0 to 2048
[  989.508044][T20342] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  989.587229][T20344] loop0: detected capacity change from 0 to 2048
[  989.613153][T20344] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  989.696708][T20352] loop3: detected capacity change from 0 to 2048
[  989.705809][T20352] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.730435][T20355] loop1: detected capacity change from 0 to 2048
executing program
[  989.740881][T20355] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  989.826526][T20361] loop5: detected capacity change from 0 to 2048
[  989.850120][T20361] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  989.859445][T20364] loop2: detected capacity change from 0 to 2048
[  989.875865][T20364] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  989.955167][T20366] loop0: detected capacity change from 0 to 2048
[  989.987638][T20366] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  990.036343][T20372] loop1: detected capacity change from 0 to 2048
executing program
[  990.107662][T20372] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.128350][T20380] loop2: detected capacity change from 0 to 2048
[  990.137748][T20380] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  990.182065][T20377] loop3: detected capacity change from 0 to 2048
[  990.197813][T20377] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.233441][T20378] loop5: detected capacity change from 0 to 2048
[  990.268486][T20378] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  990.292856][T20388] loop0: detected capacity change from 0 to 2048
executing program
[  990.348440][T20388] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.394415][T20394] loop1: detected capacity change from 0 to 2048
[  990.402850][T20393] loop2: detected capacity change from 0 to 2048
[  990.418398][ T5156] blk_print_req_error: 19 callbacks suppressed
[  990.421184][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  990.451852][T20397] loop3: detected capacity change from 0 to 2048
[  990.460064][T20393] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.477696][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  990.491760][T20394] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.527856][T20397] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  990.693461][T20410] loop0: detected capacity change from 0 to 2048
[  990.711330][T20410] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.736995][T20412] loop1: detected capacity change from 0 to 2048
executing program
[  990.752049][T20412] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  990.818190][T20417] loop2: detected capacity change from 0 to 2048
[  990.844222][T20417] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.857451][T20420] loop3: detected capacity change from 0 to 2048
executing program
[  990.864923][T20419] loop5: detected capacity change from 0 to 2048
[  990.878397][T20420] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  990.892257][T20419] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  990.928723][T20425] loop0: detected capacity change from 0 to 2048
[  990.968894][T20425] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  991.041487][T20433] loop1: detected capacity change from 0 to 2048
[  991.052470][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  991.086246][T20438] loop2: detected capacity change from 0 to 2048
[  991.095171][T20438] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  991.167620][T20433] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  991.262926][T20445] loop0: detected capacity change from 0 to 2048
[  991.271934][T20445] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  991.313418][T20442] loop5: detected capacity change from 0 to 2048
[  991.332042][T20451] loop2: detected capacity change from 0 to 2048
[  991.355194][T20442] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  991.371053][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  991.376244][T20449] loop3: detected capacity change from 0 to 2048
[  991.416671][T20451] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  991.428916][T20449] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  991.439814][T20453] loop1: detected capacity change from 0 to 2048
[  991.452858][T20453] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  991.592983][T20459] loop0: detected capacity change from 0 to 2048
[  991.606549][T20459] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  991.740808][T20467] loop5: detected capacity change from 0 to 2048
[  991.750652][ T5146] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  991.796946][T20467] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  991.865456][T20477] loop1: detected capacity change from 0 to 2048
[  991.868918][T20479] loop2: detected capacity change from 0 to 2048
[  991.875302][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  991.879327][T20478] loop0: detected capacity change from 0 to 2048
[  991.896285][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  991.897890][ T5175] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  991.921655][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  991.934571][T20477] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  991.952185][T20479] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  991.960882][T20481] loop3: detected capacity change from 0 to 2048
[  991.978577][T20478] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.020249][T20481] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  992.128762][T20491] loop5: detected capacity change from 0 to 2048
[  992.191271][T20493] loop2: detected capacity change from 0 to 2048
[  992.202594][T20491] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.208497][T20496] loop1: detected capacity change from 0 to 2048
executing program
[  992.237579][T20493] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.248258][ T5156] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  992.298633][T20496] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.315636][T20499] loop0: detected capacity change from 0 to 2048
[  992.320286][T20501] loop3: detected capacity change from 0 to 2048
executing program
[  992.345729][T20501] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.363957][T20499] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  992.404304][T20508] loop2: detected capacity change from 0 to 2048
[  992.417071][T20508] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  992.554878][T20515] loop5: detected capacity change from 0 to 2048
[  992.568330][T20515] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.609414][T20524] loop0: detected capacity change from 0 to 2048
[  992.629841][T20524] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.648660][T20521] loop1: detected capacity change from 0 to 2048
[  992.661828][T20525] loop2: detected capacity change from 0 to 2048
[  992.669162][ T5156] buffer_io_error: 1 callbacks suppressed
[  992.669180][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  992.675447][T20522] loop3: detected capacity change from 0 to 2048
[  992.690819][T20521] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  992.703653][ T5156] Buffer I/O error on dev loop2, logical block 0, async page read
[  992.724188][T20525] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.736825][ T5146] Buffer I/O error on dev loop3, logical block 0, async page read
[  992.778977][T20522] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  992.788285][T20532] loop5: detected capacity change from 0 to 2048
[  992.801428][T20532] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  992.895789][T20539] loop0: detected capacity change from 0 to 2048
[  992.916982][T20539] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  993.153630][T20548] loop2: detected capacity change from 0 to 2048
[  993.161553][T20553] loop5: detected capacity change from 0 to 2048
[  993.163454][T20551] loop1: detected capacity change from 0 to 2048
[  993.182829][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  993.192874][T20552] loop3: detected capacity change from 0 to 2048
[  993.204863][ T5205] Buffer I/O error on dev loop2, logical block 0, async page read
[  993.210583][ T5139] Buffer I/O error on dev loop5, logical block 0, async page read
[  993.223187][ T5146] Buffer I/O error on dev loop1, logical block 0, async page read
[  993.235923][T20552] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.249162][T20553] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.249173][T20551] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.274306][T20548] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.288836][T20555] loop0: detected capacity change from 0 to 2048
[  993.300234][T20555] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  993.452865][T20568] loop2: detected capacity change from 0 to 2048
[  993.480455][T20568] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.491451][T20570] loop3: detected capacity change from 0 to 2048
[  993.519739][T20570] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.541571][T20572] loop1: detected capacity change from 0 to 2048
[  993.543580][T20574] loop5: detected capacity change from 0 to 2048
[  993.558754][T20574] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.560871][T20575] loop0: detected capacity change from 0 to 2048
[  993.574551][T20572] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.604565][T20575] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
[  993.833631][T20593] loop2: detected capacity change from 0 to 2048
[  993.860642][T20593] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.860934][T20592] loop3: detected capacity change from 0 to 2048
executing program
[  993.880509][T20591] loop5: detected capacity change from 0 to 2048
[  993.886529][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  993.897952][T20591] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.922286][ T5175] Buffer I/O error on dev loop3, logical block 0, async page read
[  993.955750][T20595] loop1: detected capacity change from 0 to 2048
[  993.970640][T20592] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  993.995450][T20595] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  994.003633][T20597] loop0: detected capacity change from 0 to 2048
[  994.028964][T20597] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  994.146173][T20611] loop5: detected capacity change from 0 to 2048
[  994.164841][T20611] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  994.229541][T20610] loop2: detected capacity change from 0 to 2048
[  994.246057][T20613] loop3: detected capacity change from 0 to 2048
executing program
[  994.270101][T20615] loop1: detected capacity change from 0 to 2048
[  994.282229][T20615] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  994.282441][T20613] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  994.310755][T20610] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  994.360525][T20621] loop5: detected capacity change from 0 to 2048
[  994.374565][T20621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  994.376285][T20619] loop0: detected capacity change from 0 to 2048
[  994.395901][T20619] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  994.475368][T20629] loop1: detected capacity change from 0 to 2048
[  994.514470][ T5175] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
executing program
[  994.542494][T20629] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  994.622339][T20638] loop5: detected capacity change from 0 to 2048
[  994.639412][T20638] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  994.698802][T20641] loop0: detected capacity change from 0 to 2048
[  994.729381][T20639] loop3: detected capacity change from 0 to 2048
[  994.731549][T20636] loop2: detected capacity change from 0 to 2048
executing program
[  994.743062][T20639] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  994.757570][T20641] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  994.790028][T20636] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  994.935216][T20649] loop1: detected capacity change from 0 to 2048
[  994.935431][T20658] loop3: detected capacity change from 0 to 2048
[  994.963060][T20658] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  994.988041][T20649] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.013267][T20659] loop5: detected capacity change from 0 to 2048
[  995.015329][T20663] loop0: detected capacity change from 0 to 2048
[  995.044606][T20662] loop2: detected capacity change from 0 to 2048
[  995.056590][T20663] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.069196][T20662] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.083152][T20659] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  995.242667][T20677] loop1: detected capacity change from 0 to 2048
[  995.265619][T20677] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  995.355527][T20680] loop3: detected capacity change from 0 to 2048
[  995.366166][T20678] loop2: detected capacity change from 0 to 2048
[  995.376478][T20683] loop0: detected capacity change from 0 to 2048
[  995.382895][T20680] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  995.395534][T20683] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.408265][T20678] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.429460][T20685] loop5: detected capacity change from 0 to 2048
[  995.445798][T20685] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  995.507230][T20687] loop1: detected capacity change from 0 to 2048
executing program
[  995.578679][T20687] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  995.659110][T20700] loop2: detected capacity change from 0 to 2048
[  995.693122][T20696] loop3: detected capacity change from 0 to 2048
[  995.700730][T20700] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.716073][T20701] loop0: detected capacity change from 0 to 2048
[  995.720511][ T5205] blk_print_req_error: 53 callbacks suppressed
[  995.724408][ T5205] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  995.744404][T20696] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.756346][T20701] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.772815][T20703] loop5: detected capacity change from 0 to 2048
executing program
[  995.810407][T20703] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  995.874170][T20712] loop2: detected capacity change from 0 to 2048
[  995.885053][ T5205] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  995.927707][T20712] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  995.962049][T20719] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  995.975154][T20719] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.015350][T20717] loop1: detected capacity change from 0 to 2048
[  996.026710][T20717] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.066246][T20723] loop5: detected capacity change from 0 to 2048
[  996.100793][T20723] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  996.154928][T20722] loop0: detected capacity change from 0 to 2048
[  996.157492][ T5146] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
executing program
[  996.214203][T20722] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.288083][T20734] loop2: detected capacity change from 0 to 2048
[  996.297811][T20735] loop1: detected capacity change from 0 to 2048
[  996.306629][T20734] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.314524][T20732] loop3: detected capacity change from 0 to 2048
executing program
[  996.328029][T20735] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.350627][T20732] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  996.436197][T20741] loop5: detected capacity change from 0 to 2048
[  996.446157][T20741] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  996.529507][T20749] loop0: detected capacity change from 0 to 2048
[  996.547292][T20752] loop1: detected capacity change from 0 to 2048
[  996.560153][T20752] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  996.576717][T20749] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.595211][T20757] loop2: detected capacity change from 0 to 2048
[  996.603606][T20757] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.638966][T20755] loop3: detected capacity change from 0 to 2048
[  996.657747][ T5156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  996.704452][T20764] loop5: detected capacity change from 0 to 2048
[  996.717464][T20764] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.737430][T20755] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  996.831544][T20775] loop2: detected capacity change from 0 to 2048
[  996.844986][T20775] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.858226][T20773] loop0: detected capacity change from 0 to 2048
executing program
[  996.876229][T20773] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.898630][T20777] loop5: detected capacity change from 0 to 2048
[  996.907726][T20777] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  996.914655][T20767] loop1: detected capacity change from 0 to 2048
executing program
[  996.975587][T20767] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.006455][T20782] loop3: detected capacity change from 0 to 2048
[  997.008383][ T5146] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  997.078449][T20782] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  997.255024][T20800] loop5: detected capacity change from 0 to 2048
[  997.287048][T20800] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.294175][T20793] loop0: detected capacity change from 0 to 2048
[  997.341515][T20798] loop1: detected capacity change from 0 to 2048
[  997.348759][T20799] loop2: detected capacity change from 0 to 2048
[  997.358027][ T5156] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  997.359636][ T5175] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  997.370182][T20802] loop3: detected capacity change from 0 to 2048
executing program
[  997.387447][T20799] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.399770][T20798] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.406083][T20793] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.425917][T20802] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.494828][T20807] loop5: detected capacity change from 0 to 2048
[  997.503380][T20807] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
[  997.635486][T20821] loop1: detected capacity change from 0 to 2048
[  997.654410][T20821] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.667707][T20824] loop0: detected capacity change from 0 to 2048
executing program
[  997.676921][T20824] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.721748][T20825] loop2: detected capacity change from 0 to 2048
[  997.722702][T20819] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  997.774158][T20825] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.791644][T20819] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.811063][T20827] loop5: detected capacity change from 0 to 2048
[  997.829652][T20827] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.856802][T20833] loop0: detected capacity change from 0 to 2048
executing program
[  997.884371][T20835] loop1: detected capacity change from 0 to 2048
[  997.895566][T20835] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.900079][T20833] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  997.922157][T20843] loop2: detected capacity change from 0 to 2048
[  997.935287][T20843] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[  998.025694][T20852] loop5: detected capacity change from 0 to 2048
[  998.060378][T20852] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  998.091498][T20854] loop1: detected capacity change from 0 to 2048
[  998.125496][T20854] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.152557][T20855] loop3: detected capacity change from 0 to 2048
[  998.176411][T20857] loop0: detected capacity change from 0 to 2048
[  998.188412][T20857] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.201346][T20855] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.241449][T20859] loop2: detected capacity change from 0 to 2048
executing program
[  998.254411][T20859] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.277832][T20869] loop5: detected capacity change from 0 to 2048
[  998.288161][T20869] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
executing program
executing program
executing program
[  998.585866][T20880] loop1: detected capacity change from 0 to 2048
[  998.607011][T20883] loop2: detected capacity change from 0 to 2048
[  998.619172][T20880] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.622489][T20879] loop0: detected capacity change from 0 to 2048
[  998.646632][T20882] loop3: detected capacity change from 0 to 2048
[  998.652655][ T5139] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  998.656149][ T5175] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  998.684682][T20883] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.718099][T20879] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.732766][T20882] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  998.751975][T20885] loop5: detected capacity change from 0 to 2048
[  998.790065][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
executing program
[  998.873485][T20885] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  998.979042][T20895] loop1: detected capacity change from 0 to 2048
[  999.017084][ T5156] buffer_io_error: 28 callbacks suppressed
executing program
[  999.017104][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
executing program
[  999.050482][T20895] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  999.073829][T20900] loop3: detected capacity change from 0 to 2048
[  999.082741][T20901] loop0: detected capacity change from 0 to 2048
[  999.098556][T20900] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  999.130869][T20901] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  999.186746][T20903] loop2: detected capacity change from 0 to 2048
[  999.223581][T20903] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  999.293891][T20905] loop5: detected capacity change from 0 to 2048
[  999.322343][T20905] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  999.367343][T20911] loop1: detected capacity change from 0 to 2048
executing program
[  999.419617][T20911] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  999.426135][T20915] loop3: detected capacity change from 0 to 2048
[  999.451807][T20917] loop0: detected capacity change from 0 to 2048
executing program
[  999.489475][T20915] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  999.508984][ T5146] Buffer I/O error on dev loop0, logical block 0, async page read
[  999.578034][T20917] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[  999.671126][T20923] loop5: detected capacity change from 0 to 2048
[  999.701625][ T5205] Buffer I/O error on dev loop5, logical block 0, async page read
[  999.711123][T20926] loop2: detected capacity change from 0 to 2048
[  999.774179][T20923] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  999.786401][T20936] loop3: detected capacity change from 0 to 2048
[  999.807737][T20936] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  999.821658][T20926] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[  999.839453][T20933] loop1: detected capacity change from 0 to 2048
[  999.858261][ T5156] Buffer I/O error on dev loop1, logical block 0, async page read
[  999.888535][T20933] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[  999.982429][T20940] loop0: detected capacity change from 0 to 2048
[  999.991383][T20940] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1000.020880][T20948] loop5: detected capacity change from 0 to 2048
[ 1000.042537][T20948] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[ 1000.162068][T20940] EXT4-fs mount: 792 callbacks suppressed
[ 1000.162089][T20940] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1000.197293][T20956] loop2: detected capacity change from 0 to 2048
[ 1000.219499][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1000.229672][T20956] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1000.230979][T20959] loop3: detected capacity change from 0 to 2048
[ 1000.250461][T20959] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1000.265301][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[ 1000.316864][T20956] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1000.335393][T20963] loop5: detected capacity change from 0 to 2048
[ 1000.344421][T20963] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1000.371513][T20959] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1000.409642][T20963] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[ 1000.426845][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[ 1000.482020][T20971] loop0: detected capacity change from 0 to 2048
[ 1000.506480][T20971] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1000.533648][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1000.547543][T20973] loop2: detected capacity change from 0 to 2048
[ 1000.548280][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1000.564694][T20973] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1000.565438][T20969] loop1: detected capacity change from 0 to 2048
[ 1000.604144][T20971] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1000.640089][T20969] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
[ 1000.708996][T20973] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1000.714389][T20979] loop3: detected capacity change from 0 to 2048
[ 1000.730730][T20979] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1000.735669][T20969] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1000.757011][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1000.772127][T20983] loop5: detected capacity change from 0 to 2048
[ 1000.781451][T20979] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1000.800397][T20983] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1000.849610][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1000.873559][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1000.883569][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[ 1000.901690][T20983] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[ 1000.967954][T20990] loop0: detected capacity change from 0 to 2048
[ 1000.979502][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1000.995537][T20990] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.004348][T20993] loop2: detected capacity change from 0 to 2048
executing program
[ 1001.022759][T20993] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.037791][T20994] loop3: detected capacity change from 0 to 2048
[ 1001.052957][T20994] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1001.075697][T20996] loop1: detected capacity change from 0 to 2048
[ 1001.085440][T20990] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.104222][T20996] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.129509][T21002] loop5: detected capacity change from 0 to 2048
[ 1001.129609][T20993] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.157950][T20994] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.178123][T21002] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.192722][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1001.211209][T20996] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[ 1001.250371][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1001.262257][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1001.279157][T21002] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.286680][T21009] loop0: detected capacity change from 0 to 2048
executing program
[ 1001.302203][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1001.309505][T21009] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1001.377831][T21013] loop2: detected capacity change from 0 to 2048
[ 1001.387186][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1001.401252][T21013] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.420011][T21015] loop3: detected capacity change from 0 to 2048
executing program
executing program
[ 1001.430065][T21015] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.432350][T21009] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.489006][T21013] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.491363][T21020] loop1: detected capacity change from 0 to 2048
[ 1001.510415][T21020] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.532478][T21022] loop5: detected capacity change from 0 to 2048
[ 1001.534035][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1001.552666][T21022] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.575855][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[ 1001.592494][T21015] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.610993][T21020] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
executing program
[ 1001.706418][T21032] loop0: detected capacity change from 0 to 2048
[ 1001.713092][T21022] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.734659][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1001.744348][T21032] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.760016][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[ 1001.811409][T21032] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1001.824159][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
[ 1001.895382][T21039] loop2: detected capacity change from 0 to 2048
[ 1001.908665][T21039] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1001.924620][T21042] loop3: detected capacity change from 0 to 2048
executing program
[ 1001.935641][T21042] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1001.991177][T21039] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.011245][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.022478][T21046] loop1: detected capacity change from 0 to 2048
[ 1002.032247][T21046] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.051427][T21048] loop5: detected capacity change from 0 to 2048
[ 1002.066240][T21048] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.081649][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
executing program
executing program
[ 1002.107349][T21042] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.130999][T21054] loop0: detected capacity change from 0 to 2048
[ 1002.141306][T21046] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.162427][T21054] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.174182][T21057] loop2: detected capacity change from 0 to 2048
[ 1002.184628][T21057] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.185881][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.213407][T21048] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[ 1002.268148][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.285952][T21057] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.297362][T21065] loop3: detected capacity change from 0 to 2048
[ 1002.299394][T21054] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.317974][T21065] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1002.360614][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.386326][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.398349][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.409912][T21065] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.410337][T21067] loop1: detected capacity change from 0 to 2048
[ 1002.444179][T21067] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[ 1002.479956][ T5124] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.507701][T21073] loop2: detected capacity change from 0 to 2048
[ 1002.517618][T21067] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
executing program
[ 1002.535572][T21073] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.565723][T21076] loop0: detected capacity change from 0 to 2048
[ 1002.575231][ T5122] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.577450][T21077] loop5: detected capacity change from 0 to 2048
[ 1002.606326][T21076] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.627967][T21077] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1002.644816][T21073] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.658448][T21079] loop3: detected capacity change from 0 to 2048
[ 1002.670522][T21076] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.685605][T21079] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.747151][ T5123] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.779599][T21077] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.789922][T21086] loop1: detected capacity change from 0 to 2048
executing program
[ 1002.820263][T21079] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
[ 1002.844530][T21086] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1002.865801][ T5121] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.887626][ T5126] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 1002.902747][T21092] loop2: detected capacity change from 0 to 2048
[ 1002.923355][T21092] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
executing program
executing program
[ 1003.019728][T21099] loop3: detected capacity change from 0 to 2048
[ 1003.028833][T21099] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1003.071096][T21101] loop0: detected capacity change from 0 to 2048
[ 1003.080259][T21101] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
executing program
[ 1003.122107][T21105] loop1: detected capacity change from 0 to 2048
[ 1003.130402][T21105] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.153938][   T28] INFO: task syz-executor333:9386 blocked for more than 143 seconds.
[ 1003.162248][   T28]       Not tainted 6.2.0-rc4-next-20230120-syzkaller #0
executing program
[ 1003.181506][T21110] loop2: detected capacity change from 0 to 2048
[ 1003.216261][T21102] loop5: detected capacity change from 0 to 2048
[ 1003.219279][   T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
executing program
[ 1003.234784][T21102] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.250053][T21110] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.254200][T21115] loop0: detected capacity change from 0 to 2048
[ 1003.269409][   T28] task:syz-executor333 state:D stack:26168 pid:9386  ppid:5125   flags:0x00004004
[ 1003.278762][   T28] Call Trace:
[ 1003.282066][   T28]  <TASK>
[ 1003.285368][T21115] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.285334][   T28]  __schedule+0x25d0/0x5a70
[ 1003.301261][   T28]  ? lock_chain_count+0x20/0x20
[ 1003.306302][   T28]  ? find_held_lock+0x2d/0x110
[ 1003.311327][   T28]  ? io_schedule_timeout+0x150/0x150
[ 1003.316751][   T28]  ? mark_held_locks+0x9f/0xe0
[ 1003.321557][   T28]  ? _raw_spin_unlock_irqrestore+0x54/0x70
[ 1003.327530][   T28]  schedule+0xde/0x1a0
[ 1003.331898][   T28]  io_schedule+0xbe/0x130
[ 1003.336652][   T28]  bit_wait_io+0x16/0xe0
[ 1003.340945][   T28]  __wait_on_bit_lock+0x11f/0x1a0
[ 1003.346430][   T28]  ? out_of_line_wait_on_bit_timeout+0x170/0x170
[ 1003.365165][   T28]  out_of_line_wait_on_bit_lock+0xd9/0x110
[ 1003.371631][   T28]  ? __wait_on_bit_lock+0x1a0/0x1a0
[ 1003.389164][   T28]  ? group_init+0x6b0/0x6b0
[ 1003.393985][   T28]  __sync_dirty_buffer+0x30e/0x380
[ 1003.399212][   T28]  __ext4_handle_dirty_metadata+0x2b7/0x6f0
[ 1003.405268][   T28]  ? __ext4_journal_get_create_access+0x182/0x1f0
[ 1003.411753][   T28]  ext4_convert_inline_data_nolock+0x6e6/0xf10
[ 1003.418049][   T28]  ? ext4_destroy_inline_data_nolock+0x580/0x580
[ 1003.424523][   T28]  ? down_write_killable_nested+0x250/0x250
[ 1003.430475][   T28]  ? __ext4_journal_start_sb+0x231/0x890
[ 1003.434821][T21116] loop3: detected capacity change from 0 to 2048
[ 1003.436295][   T28]  ? ext4_convert_inline_data+0x316/0x5f0
[ 1003.448389][   T28]  ext4_convert_inline_data+0x51a/0x5f0
[ 1003.454161][   T28]  ? ext4_inline_data_truncate+0xd70/0xd70
[ 1003.460061][   T28]  ? down_write_killable_nested+0x250/0x250
[ 1003.466111][   T28]  ? aa_path_link+0x2f0/0x2f0
[ 1003.470913][   T28]  ext4_fallocate+0x19a/0x4470
[ 1003.476455][   T28]  ? ext4_ext_truncate+0x400/0x400
[ 1003.482026][   T28]  ? ext4_ext_truncate+0x400/0x400
[ 1003.489427][   T28]  vfs_fallocate+0x48b/0xe40
[ 1003.495976][   T28]  ioctl_preallocate+0x18e/0x200
[ 1003.501128][   T28]  ? fiemap_prep+0x220/0x220
[ 1003.507492][   T28]  do_vfs_ioctl+0x129a/0x1600
[ 1003.512293][   T28]  ? vfs_fileattr_set+0xc40/0xc40
[ 1003.517812][   T28]  ? trace_lock_acquire+0x1f1/0x290
[ 1003.523268][   T28]  ? name_to_dev_t+0x363/0x990
[ 1003.523300][T21116] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.531512][   T28]  ? receive_fd+0x110/0x110
[ 1003.544537][   T28]  ? __fget_files+0x26a/0x480
[ 1003.549507][   T28]  ? bpf_lsm_file_ioctl+0x9/0x10
[ 1003.555075][   T28]  __x64_sys_ioctl+0x10c/0x210
[ 1003.560163][   T28]  do_syscall_64+0x39/0xb0
[ 1003.565343][   T28]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 1003.571501][   T28] RIP: 0033:0x7f7f8cca67b9
[ 1003.576443][   T28] RSP: 002b:00007f7f8cc522f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 1003.585325][   T28] RAX: ffffffffffffffda RBX: 00007f7f8cd2b7a0 RCX: 00007f7f8cca67b9
[ 1003.593422][   T28] RDX: 0000000020000000 RSI: 0000000040305839 RDI: 0000000000000004
[ 1003.601603][   T28] RBP: 00007f7f8ccf883c R08: 0000000000000000 R09: 0000000000000000
[ 1003.610636][   T28] R10: 0000000000000000 R11: 0000000000000246 R12: 5f646165726f6964
[ 1003.620276][   T28] R13: 7272655f61746164 R14: 0030656c69662f2e R15: 00007f7f8cd2b7a8
[ 1003.629400][   T28]  </TASK>
[ 1003.633580][   T28] 
[ 1003.633580][   T28] Showing all locks held in the system:
[ 1003.641607][   T28] 1 lock held by rcu_tasks_kthre/13:
[ 1003.647087][   T28]  #0: ffffffff8c793b30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xcd0
[ 1003.661360][   T28] 1 lock held by rcu_tasks_trace/14:
[ 1003.666818][   T28]  #0: ffffffff8c793830 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xcd0
[ 1003.677993][   T28] 2 locks held by kworker/1:0/22:
executing program
[ 1003.683184][   T28]  #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750
[ 1003.703190][   T28]  #1: ffffc900001c7da8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750
executing program
executing program
executing program
[ 1003.738295][T21126] loop2: detected capacity change from 0 to 2048
[ 1003.748748][   T28] 1 lock held by khungtaskd/28:
[ 1003.753891][   T28]  #0: ffffffff8c794700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x2d4
[ 1003.763968][   T28] 2 locks held by kworker/1:2/77:
[ 1003.769096][   T28]  #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750
[ 1003.782341][T21126] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.782382][   T28]  #1: ffffc900015e7da8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750
[ 1003.826550][T21132] loop1: detected capacity change from 0 to 2048
[ 1003.833077][   T28] 1 lock held by udevd/4440:
[ 1003.839448][   T28] 2 locks held by getty/4759:
[ 1003.844951][   T28]  #0: ffff888027583098 (&tty->ldisc_sem
[ 1003.845066][T21132] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.862291][   T28] ){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80
[ 1003.879745][T21129] loop0: detected capacity change from 0 to 2048
[ 1003.889436][T21131] loop5: detected capacity change from 0 to 2048
[ 1003.891083][   T28]  #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0
[ 1003.907993][   T28] 1 lock held by syz-executor333/5124:
[ 1003.913876][   T28]  #0: ffffffff8c79f9f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770
[ 1003.923766][ T5156] blk_print_req_error: 9 callbacks suppressed
[ 1003.923784][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[ 1003.925106][   T28] 6 locks held by udevd/5156:
[ 1003.940645][ T5156] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 1003.945776][   T28] 2 locks held by kworker/1:3/5159:
[ 1003.960117][T21129] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1003.971960][   T28]  #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750
[ 1004.001950][   T28]  #1: ffffc90003e8fda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750
[ 1004.009619][ T5156] Buffer I/O error on dev loop5, logical block 0, async page read
[ 1004.013808][   T28] 2 locks held by kworker/1:5/5465:
[ 1004.043082][   T28]  #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750
[ 1004.043430][T21131] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 1004.071720][   T28]  #1: ffffc90004dbfda8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750
[ 1004.090006][   T28] 3 locks held by kworker/1:7/7443:
[ 1004.095882][   T28]  #0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1750
[ 1004.106466][   T28]  #1: ffffc9000c3b7da8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1750
[ 1004.119152][   T28]  #2: ffffffff8c79f9f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770
[ 1004.130241][   T28] 3 locks held by syz-executor333/9386:
[ 1004.136357][   T28]  #0: ffff888017e00460 (sb_writers#4){.+.+}-{0:0}, at: ioctl_preallocate+0x18e/0x200
[ 1004.146148][   T28]  #1: ffff888077256850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_fallocate+0x192/0x4470
[ 1004.157067][   T28]  #2: ffff888077256518 (&ei->xattr_sem){++++}-{3:3}, at: ext4_convert_inline_data+0x352/0x5f0
[ 1004.176049][   T28] 
[ 1004.178466][   T28] =============================================
[ 1004.178466][   T28] 
[ 1004.194768][   T28] NMI backtrace for cpu 0
[ 1004.199130][   T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc4-next-20230120-syzkaller #0
[ 1004.208437][   T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 1004.218678][   T28] Call Trace:
[ 1004.221967][   T28]  <TASK>
[ 1004.224905][   T28]  dump_stack_lvl+0xd1/0x138
[ 1004.230304][   T28]  nmi_cpu_backtrace.cold+0x24/0x18a
[ 1004.235618][   T28]  nmi_trigger_cpumask_backtrace+0x32f/0x3c0
[ 1004.241658][   T28]  ? lapic_can_unplug_cpu+0x80/0x80
[ 1004.246879][   T28]  watchdog+0xcae/0x1050
[ 1004.251181][   T28]  ? proc_dohung_task_timeout_secs+0x80/0x80
[ 1004.257178][   T28]  kthread+0x2e8/0x3a0
[ 1004.261268][   T28]  ? kthread_complete_and_exit+0x40/0x40
[ 1004.266949][   T28]  ret_from_fork+0x1f/0x30
[ 1004.271408][   T28]  </TASK>
[ 1004.274669][   T28] Sending NMI from CPU 0 to CPUs 1:
[ 1004.279911][    C1] NMI backtrace for cpu 1
[ 1004.279919][    C1] CPU: 1 PID: 20046 Comm: kworker/u4:6 Not tainted 6.2.0-rc4-next-20230120-syzkaller #0
[ 1004.279940][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 1004.279951][    C1] Workqueue: events_unbound toggle_allocation_gate
[ 1004.280032][    C1] RIP: 0010:__lock_acquire+0x16d0/0x5780
[ 1004.280054][    C1] Code: 20 66 81 e3 ff 1f 0f b7 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 cb 35 91 e8 18 a9 6b 00 48 0f a3 1d 60 b4 d1 0f <48> bd eb 83 b5 80 46 86 c8 61 0f 92 c0 48 0f af 6c 24 08 48 c1 ed
[ 1004.280072][    C1] RSP: 0018:ffffc900058e7990 EFLAGS: 00000047
[ 1004.280087][    C1] RAX: 0000000000000001 RBX: 00000000000000b8 RCX: ffffffff81641718
[ 1004.280099][    C1] RDX: fffffbfff226b973 RSI: 0000000000000008 RDI: ffffffff9135cb90
[ 1004.280111][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff9135cb97
[ 1004.280122][    C1] R10: fffffbfff226b972 R11: 0000000000000000 R12: ffff888018898a88
[ 1004.280135][    C1] R13: ffff888018898000 R14: 0000000000000001 R15: 0000000000000000
[ 1004.280147][    C1] FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 1004.280165][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1004.280178][    C1] CR2: 0000555555ab1628 CR3: 000000000c571000 CR4: 00000000003506e0
[ 1004.280190][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1004.280201][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1004.280212][    C1] Call Trace:
[ 1004.280217][    C1]  <TASK>
[ 1004.280229][    C1]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 1004.280251][    C1]  ? static_key_enable_cpuslocked+0x10c/0x270
[ 1004.280296][    C1]  ? lock_downgrade+0x6e0/0x6e0
[ 1004.280316][    C1]  lock_acquire.part.0+0x11c/0x350
[ 1004.280335][    C1]  ? prepare_to_wait_event+0x1f/0x6a0
[ 1004.280355][    C1]  ? lock_sync+0x190/0x190
[ 1004.280373][    C1]  ? prepare_to_wait_event+0x1f/0x6a0
[ 1004.280391][    C1]  ? rcu_read_lock_sched_held+0x3e/0x70
[ 1004.280410][    C1]  ? trace_lock_acquire+0x1f1/0x290
[ 1004.280429][    C1]  ? prepare_to_wait_event+0x1f/0x6a0
[ 1004.280448][    C1]  ? lock_acquire+0x32/0xc0
[ 1004.280465][    C1]  ? prepare_to_wait_event+0x1f/0x6a0
[ 1004.280485][    C1]  _raw_spin_lock_irqsave+0x3d/0x60
[ 1004.280508][    C1]  ? prepare_to_wait_event+0x1f/0x6a0
[ 1004.280527][    C1]  prepare_to_wait_event+0x1f/0x6a0
[ 1004.280548][    C1]  toggle_allocation_gate+0x1c6/0x230
[ 1004.280578][    C1]  ? wake_up_kfence_timer+0x30/0x30
[ 1004.280603][    C1]  ? trace_lock_acquire+0x1f1/0x290
[ 1004.280621][    C1]  ? prepare_to_wait_exclusive+0x2c0/0x2c0
[ 1004.280644][    C1]  process_one_work+0x9bf/0x1750
[ 1004.280670][    C1]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 1004.280690][    C1]  ? rcu_read_lock_sched_held+0x3e/0x70
[ 1004.280710][    C1]  ? rwlock_bug.part.0+0x90/0x90
[ 1004.280729][    C1]  ? lock_acquire+0x32/0xc0
[ 1004.280746][    C1]  ? worker_thread+0x16d/0x1090
[ 1004.280769][    C1]  worker_thread+0x669/0x1090
[ 1004.280793][    C1]  ? __kthread_parkme+0x163/0x220
[ 1004.280811][    C1]  ? process_one_work+0x1750/0x1750
[ 1004.280833][    C1]  kthread+0x2e8/0x3a0
[ 1004.280850][    C1]  ? kthread_complete_and_exit+0x40/0x40
[ 1004.280871][    C1]  ret_from_fork+0x1f/0x30
[ 1004.280899][    C1]  </TASK>
[ 1004.592764][   T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 1004.599656][   T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc4-next-20230120-syzkaller #0
[ 1004.608963][   T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 1004.619041][   T28] Call Trace:
[ 1004.622335][   T28]  <TASK>
[ 1004.625280][   T28]  dump_stack_lvl+0xd1/0x138
[ 1004.629904][   T28]  panic+0x2cc/0x626
[ 1004.633826][   T28]  ? panic_print_sys_info.part.0+0x110/0x110
[ 1004.639840][   T28]  ? preempt_schedule_thunk+0x1a/0x20
[ 1004.645247][   T28]  ? watchdog.cold+0x130/0x158
[ 1004.650060][   T28]  watchdog.cold+0x141/0x158
[ 1004.654672][   T28]  ? proc_dohung_task_timeout_secs+0x80/0x80
[ 1004.660671][   T28]  kthread+0x2e8/0x3a0
[ 1004.664757][   T28]  ? kthread_complete_and_exit+0x40/0x40
[ 1004.670407][   T28]  ret_from_fork+0x1f/0x30
[ 1004.674861][   T28]  </TASK>
[ 1004.678057][   T28] Kernel Offset: disabled
[ 1004.682396][   T28] Rebooting in 86400 seconds..