e (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.601090][T31036] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.625522][T31039] loop4: detected capacity change from 0 to 2048
[  583.629767][T31034] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.633211][T31036] Remounting filesystem read-only
[  583.634422][T31036] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  583.644228][T31036] NILFS (loop1): mounting fs with errors
[  583.669625][T31039] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.683629][T31043] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  583.699848][T31034] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.702318][T31034] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.716091][T31034] Remounting filesystem read-only
executing program
[  583.717911][T31047] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.725501][T31039] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.730572][T31034] NILFS (loop3): error -5 truncating bmap (ino=16)
[  583.734119][T31034] NILFS (loop3): mounting fs with errors
[  583.737168][T31042] loop0: detected capacity change from 0 to 2048
[  583.747919][T31039] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.762726][T31039] Remounting filesystem read-only
[  583.764147][T31039] NILFS (loop4): error -5 truncating bmap (ino=16)
[  583.766096][T31039] NILFS (loop4): mounting fs with errors
[  583.772720][T31042] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.787143][T31045] loop2: detected capacity change from 0 to 2048
[  583.796341][T31048] loop1: detected capacity change from 0 to 2048
[  583.799401][T31049] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.802178][T31042] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.804855][T31042] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.808459][T31042] Remounting filesystem read-only
[  583.809782][T31042] NILFS (loop0): error -5 truncating bmap (ino=16)
[  583.812489][T31042] NILFS (loop0): mounting fs with errors
[  583.832762][T31048] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  583.842438][T31052] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.848190][T31048] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.850793][T31048] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.853510][T31048] Remounting filesystem read-only
[  583.854778][T31048] NILFS (loop1): error -5 truncating bmap (ino=16)
[  583.856880][T31048] NILFS (loop1): mounting fs with errors
[  583.862203][T31051] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  583.880067][T31054] loop4: detected capacity change from 0 to 2048
[  583.890132][T31051] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.890354][T31045] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.910655][T31056] loop0: detected capacity change from 0 to 2048
[  583.922707][T31057] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.926256][T31051] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  583.933023][T31054] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.937279][T31059] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.943464][T31051] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.948584][T31045] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.956922][T31045] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.957148][T31056] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.969367][T31061] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.972677][T31045] Remounting filesystem read-only
[  583.973936][T31045] NILFS (loop2): error -5 truncating bmap (ino=16)
[  583.982317][T31045] NILFS (loop2): mounting fs with errors
[  583.984947][T31051] Remounting filesystem read-only
[  583.986245][T31051] NILFS (loop3): error -5 truncating bmap (ino=16)
[  583.988512][T31054] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.990983][T31054] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.004222][T31062] NILFS (loop3): mounting fs with errors
[  584.014137][T31063] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.019609][T31056] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.024458][T31054] Remounting filesystem read-only
[  584.027297][T31054] NILFS (loop4): error -5 truncating bmap (ino=16)
[  584.029092][T31056] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
executing program
[  584.047354][T31060] loop1: detected capacity change from 0 to 2048
[  584.049146][T31054] NILFS (loop4): mounting fs with errors
[  584.051553][T31056] Remounting filesystem read-only
[  584.052856][T31056] NILFS (loop0): error -5 truncating bmap (ino=16)
[  584.067823][T31056] NILFS (loop0): mounting fs with errors
[  584.074522][T31066] loop2: detected capacity change from 0 to 2048
[  584.105132][T31068] loop3: detected capacity change from 0 to 2048
executing program
[  584.118250][T31066] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  584.123939][T31070] loop4: detected capacity change from 0 to 2048
[  584.127676][T31073] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.132954][T31066] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.135414][T31066] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.139384][T31060] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.149483][T31072] loop0: detected capacity change from 0 to 2048
[  584.149564][T31068] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.157730][T31072] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.171711][T31070] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.172323][T31066] Remounting filesystem read-only
[  584.180410][T31074] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.188972][T31076] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.193344][T31060] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.196214][T31060] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.198850][T31070] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.201490][T31070] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.203169][T31066] NILFS (loop2): error -5 truncating bmap (ino=16)
[  584.203689][T31078] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.217165][T31077] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.221052][T31066] NILFS (loop2): mounting fs with errors
[  584.221304][T31070] Remounting filesystem read-only
[  584.224216][T31070] NILFS (loop4): error -5 truncating bmap (ino=16)
[  584.224388][T31068] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.228789][T31072] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.231514][T31072] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.236276][T31060] Remounting filesystem read-only
[  584.237643][T31072] Remounting filesystem read-only
[  584.237657][T31072] NILFS (loop0): error -5 truncating bmap (ino=16)
[  584.238107][T31070] NILFS (loop4): mounting fs with errors
[  584.245850][T31060] NILFS (loop1): error -5 truncating bmap (ino=16)
[  584.245959][T31072] NILFS (loop0): mounting fs with errors
[  584.248178][T31060] NILFS (loop1): mounting fs with errors
[  584.252057][T31068] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.260920][T31068] Remounting filesystem read-only
[  584.262730][T31068] NILFS (loop3): error -5 truncating bmap (ino=16)
[  584.289759][T31068] NILFS (loop3): mounting fs with errors
executing program
executing program
executing program
executing program
[  584.359511][T31084] loop4: detected capacity change from 0 to 2048
executing program
[  584.382208][T31089] loop1: detected capacity change from 0 to 2048
[  584.385573][T31090] loop2: detected capacity change from 0 to 2048
[  584.397106][T31088] loop3: detected capacity change from 0 to 2048
[  584.399237][T31084] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.415487][T31091] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.418758][T31084] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.421232][T31084] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.424448][T31084] Remounting filesystem read-only
[  584.430117][T31084] NILFS (loop4): error -5 truncating bmap (ino=16)
[  584.432184][T31084] NILFS (loop4): mounting fs with errors
executing program
[  584.450347][T31093] loop0: detected capacity change from 0 to 2048
[  584.453650][T31090] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.458443][T31088] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.468931][T31089] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.475892][T31094] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  584.498992][T31095] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.505674][T31093] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.508676][T31090] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.511365][T31097] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.515727][T31088] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.518537][T31088] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.525581][T31088] Remounting filesystem read-only
[  584.527720][T31089] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.530286][T31089] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.530687][T31088] NILFS (loop3): error -5 truncating bmap (ino=16)
[  584.534224][T31099] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.537223][T31090] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.540925][T31093] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.543591][T31093] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.545541][T31090] Remounting filesystem read-only
[  584.555377][T31090] NILFS (loop2): error -5 truncating bmap (ino=16)
[  584.557310][T31090] NILFS (loop2): mounting fs with errors
[  584.557615][T31088] NILFS (loop3): mounting fs with errors
[  584.562228][T31089] Remounting filesystem read-only
[  584.562270][T31098] loop4: detected capacity change from 0 to 2048
[  584.563486][T31089] NILFS (loop1): error -5 truncating bmap (ino=16)
[  584.574982][T31093] Remounting filesystem read-only
[  584.576270][T31093] NILFS (loop0): error -5 truncating bmap (ino=16)
[  584.579716][T31089] NILFS (loop1): mounting fs with errors
[  584.581544][T31093] NILFS (loop0): mounting fs with errors
executing program
[  584.634539][T31103] loop2: detected capacity change from 0 to 2048
executing program
executing program
[  584.652762][T31107] loop1: detected capacity change from 0 to 2048
executing program
[  584.660608][T31098] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.674623][T31103] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.684934][T31108] loop0: detected capacity change from 0 to 2048
[  584.696722][T31110] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.698370][T31106] loop3: detected capacity change from 0 to 2048
[  584.701017][T31109] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.702072][T31103] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.706223][T31103] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.706236][T31098] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.709031][T31103] Remounting filesystem read-only
[  584.712553][T31098] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.713406][T31103] NILFS (loop2): error -5 truncating bmap (ino=16)
[  584.715771][T31108] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.716827][T31103] NILFS (loop2): mounting fs with errors
[  584.720483][T31098] Remounting filesystem read-only
[  584.722904][T31098] NILFS (loop4): error -5 truncating bmap (ino=16)
[  584.726401][T31111] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.726740][T31098] NILFS (loop4): mounting fs with errors
[  584.733944][T31108] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.737277][T31108] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.740013][T31108] Remounting filesystem read-only
[  584.741286][T31108] NILFS (loop0): error -5 truncating bmap (ino=16)
[  584.743205][T31108] NILFS (loop0): mounting fs with errors
[  584.752504][T31107] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.756235][T31106] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
executing program
executing program
[  584.805824][T31116] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.805850][T31117] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.813492][T31107] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.821496][T31107] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.825742][T31106] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.827381][T31107] Remounting filesystem read-only
[  584.829949][T31107] NILFS (loop1): error -5 truncating bmap (ino=16)
[  584.837388][T31106] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.846016][T31107] NILFS (loop1): mounting fs with errors
[  584.853585][T31106] Remounting filesystem read-only
[  584.854649][T31118] loop2: detected capacity change from 0 to 2048
[  584.854804][T31106] NILFS (loop3): error -5 truncating bmap (ino=16)
[  584.869968][T31118] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.872695][T31106] NILFS (loop3): mounting fs with errors
[  584.879209][T31115] loop4: detected capacity change from 0 to 2048
[  584.882030][T31119] loop0: detected capacity change from 0 to 2048
[  584.890583][T31119] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.896547][T31120] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.907145][T31118] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.910372][T31118] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.914046][T31118] Remounting filesystem read-only
[  584.915720][T31118] NILFS (loop2): error -5 truncating bmap (ino=16)
[  584.924687][T31115] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  584.934265][T31121] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.938398][T31118] NILFS (loop2): mounting fs with errors
[  584.942618][T31123] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.944758][T31119] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.953242][T31115] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.953848][T31119] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.955796][T31115] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.957459][T31115] Remounting filesystem read-only
[  584.963129][T31119] Remounting filesystem read-only
[  584.964453][T31119] NILFS (loop0): error -5 truncating bmap (ino=16)
[  584.971432][T31119] NILFS (loop0): mounting fs with errors
[  584.990728][T31115] NILFS (loop4): error -5 truncating bmap (ino=16)
[  584.992620][T31115] NILFS (loop4): mounting fs with errors
[  584.996182][T31124] loop1: detected capacity change from 0 to 2048
executing program
[  585.003203][T31124] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
executing program
[  585.037833][T31130] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.053644][T31127] loop2: detected capacity change from 0 to 2048
[  585.055621][T31124] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  585.059601][T31124] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.071977][T31124] Remounting filesystem read-only
[  585.073239][T31124] NILFS (loop1): error -5 truncating bmap (ino=16)
[  585.075236][T31127] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.091727][T31129] loop3: detected capacity change from 0 to 2048
[  585.097337][T31133] loop0: detected capacity change from 0 to 2048
[  585.099225][T31134] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.107384][T31127] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.110271][T31124] NILFS (loop1): mounting fs with errors
[  585.111578][T31131] loop4: detected capacity change from 0 to 2048
[  585.113238][T31127] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.115902][T31127] Remounting filesystem read-only
[  585.117397][T31127] NILFS (loop2): error -5 truncating bmap (ino=16)
[  585.119313][T31127] NILFS (loop2): mounting fs with errors
[  585.142470][T31131] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.144929][T31133] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.156950][T31135] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  585.169760][T31131] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.171933][T31137] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.172458][T31131] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.178782][T31133] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.181589][T31133] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.185925][T31129] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  585.187759][T31133] Remounting filesystem read-only
[  585.189651][T31133] NILFS (loop0): error -5 truncating bmap (ino=16)
[  585.197867][T31133] NILFS (loop0): mounting fs with errors
[  585.215410][T31141] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.218044][T31129] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.218112][T31129] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.218594][T31129] Remounting filesystem read-only
[  585.227333][T31131] Remounting filesystem read-only
[  585.228608][T31131] NILFS (loop4): error -5 truncating bmap (ino=16)
[  585.236926][T31138] loop1: detected capacity change from 0 to 2048
[  585.240933][T31131] NILFS (loop4): mounting fs with errors
[  585.244953][T31140] loop2: detected capacity change from 0 to 2048
[  585.246747][T31129] NILFS (loop3): error -5 truncating bmap (ino=16)
[  585.249107][T31129] NILFS (loop3): mounting fs with errors
executing program
executing program
[  585.300039][T31140] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.302776][T31138] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.316823][T31147] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.322366][T31138] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.324865][T31138] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.331959][T31138] Remounting filesystem read-only
[  585.333212][T31138] NILFS (loop1): error -5 truncating bmap (ino=16)
[  585.336897][T31146] loop3: detected capacity change from 0 to 2048
executing program
[  585.341586][T31138] NILFS (loop1): mounting fs with errors
[  585.344002][T31148] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.349568][T31140] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.351961][T31140] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.359219][T31150] loop4: detected capacity change from 0 to 2048
[  585.370219][T31140] Remounting filesystem read-only
[  585.370255][T31150] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.371463][T31140] NILFS (loop2): error -5 truncating bmap (ino=16)
[  585.371817][T31140] NILFS (loop2): mounting fs with errors
[  585.383187][T31144] loop0: detected capacity change from 0 to 2048
[  585.387299][T31151] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.389382][T31150] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.393073][T31150] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.395974][T31150] Remounting filesystem read-only
[  585.397353][T31150] NILFS (loop4): error -5 truncating bmap (ino=16)
[  585.399361][T31150] NILFS (loop4): mounting fs with errors
[  585.423156][T31144] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  585.440404][T31155] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  585.447414][T31144] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  585.454934][T31153] loop1: detected capacity change from 0 to 2048
[  585.456935][T31144] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.460667][T31146] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.469575][T31144] Remounting filesystem read-only
[  585.470311][T31158] loop4: detected capacity change from 0 to 2048
[  585.470763][T31144] NILFS (loop0): error -5 truncating bmap (ino=16)
[  585.474073][T31159] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.479717][T31146] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.482252][T31146] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.485026][T31146] Remounting filesystem read-only
[  585.486331][T31146] NILFS (loop3): error -5 truncating bmap (ino=16)
[  585.488378][T31144] NILFS (loop0): mounting fs with errors
[  585.491754][T31146] NILFS (loop3): mounting fs with errors
[  585.495204][T31157] loop2: detected capacity change from 0 to 2048
[  585.509651][T31158] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  585.538734][T31153] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.552897][T31163] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.560500][T31157] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.566471][T31158] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.566684][T31164] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  585.577569][T31158] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.588378][T31153] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.590815][T31153] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  585.602110][T31167] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.605313][T31158] Remounting filesystem read-only
[  585.606582][T31158] NILFS (loop4): error -5 truncating bmap (ino=16)
[  585.607243][T31157] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.610544][T31153] Remounting filesystem read-only
[  585.610902][T31157] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.612154][T31153] NILFS (loop1): error -5 truncating bmap (ino=16)
[  585.620246][T31157] Remounting filesystem read-only
[  585.621794][T31166] loop0: detected capacity change from 0 to 2048
[  585.623398][T31157] NILFS (loop2): error -5 truncating bmap (ino=16)
[  585.625551][T31157] NILFS (loop2): mounting fs with errors
[  585.629197][T31158] NILFS (loop4): mounting fs with errors
[  585.635940][T31153] NILFS (loop1): mounting fs with errors
[  585.646095][T31168] loop3: detected capacity change from 0 to 2048
executing program
[  585.672322][T31166] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  585.691682][T31168] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.707964][T31175] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.714028][T31168] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.716562][T31168] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.718761][T31174] loop2: detected capacity change from 0 to 2048
[  585.722572][T31176] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.726370][T31166] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.730471][T31174] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.737419][T31166] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.740774][T31166] Remounting filesystem read-only
[  585.742070][T31166] NILFS (loop0): error -5 truncating bmap (ino=16)
[  585.744084][T31172] loop1: detected capacity change from 0 to 2048
[  585.747788][T31168] Remounting filesystem read-only
[  585.748932][T31168] NILFS (loop3): error -5 truncating bmap (ino=16)
[  585.750910][T31166] NILFS (loop0): mounting fs with errors
[  585.756735][T31168] NILFS (loop3): mounting fs with errors
executing program
[  585.774678][T31177] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.783070][T31174] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.792544][T31174] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.794916][T31172] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.797486][T31174] Remounting filesystem read-only
[  585.797500][T31174] NILFS (loop2): error -5 truncating bmap (ino=16)
[  585.807642][T31174] NILFS (loop2): mounting fs with errors
[  585.825363][T31180] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.838244][T31172] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.840669][T31172] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.847986][T31179] loop4: detected capacity change from 0 to 2048
[  585.849786][T31172] Remounting filesystem read-only
[  585.851035][T31172] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  585.854898][T31172] NILFS (loop1): mounting fs with errors
executing program
[  585.882216][T31182] loop0: detected capacity change from 0 to 2048
executing program
[  585.898191][T31184] loop3: detected capacity change from 0 to 2048
[  585.906844][T31186] loop2: detected capacity change from 0 to 2048
[  585.915200][T31179] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.924818][T31186] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.925728][T31182] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.949258][T31184] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.954103][T31188] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.960044][T31179] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  585.967352][T31190] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.967960][T31179] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.974465][T31184] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.977642][T31184] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.983113][T31184] Remounting filesystem read-only
[  585.984376][T31184] NILFS (loop3): error -5 truncating bmap (ino=16)
[  585.986946][T31179] Remounting filesystem read-only
[  585.990689][T31184] NILFS (loop3): mounting fs with errors
[  585.995380][T31189] loop1: detected capacity change from 0 to 2048
[  585.995742][T31179] NILFS (loop4): error -5 truncating bmap (ino=16)
[  585.997171][T31191] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.999244][T31192] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.007679][T31182] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.010710][T31182] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.014170][T31186] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.017302][T31186] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.023683][T31179] NILFS (loop4): mounting fs with errors
[  586.027569][T31182] Remounting filesystem read-only
[  586.029296][T31186] Remounting filesystem read-only
[  586.034300][T31189] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.034369][T31186] NILFS (loop2): error -5 truncating bmap (ino=16)
[  586.037905][T31182] NILFS (loop0): error -5 truncating bmap (ino=16)
[  586.040453][T31182] NILFS (loop0): mounting fs with errors
[  586.046827][T31186] NILFS (loop2): mounting fs with errors
[  586.065165][T31194] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.074182][T31189] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.076626][T31189] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.099261][T31189] Remounting filesystem read-only
[  586.100531][T31189] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  586.109076][T31189] NILFS (loop1): mounting fs with errors
executing program
executing program
executing program
[  586.175660][T31197] loop3: detected capacity change from 0 to 2048
[  586.179516][T31199] loop0: detected capacity change from 0 to 2048
[  586.192716][T31202] loop4: detected capacity change from 0 to 2048
[  586.196604][T31202] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.212140][T31201] loop2: detected capacity change from 0 to 2048
[  586.216347][T31199] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.223353][T31197] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.225628][T31204] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  586.238212][T31199] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.240811][T31199] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.243762][T31205] loop1: detected capacity change from 0 to 2048
[  586.251747][T31206] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.257820][T31202] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.264887][T31199] Remounting filesystem read-only
[  586.266163][T31199] NILFS (loop0): error -5 truncating bmap (ino=16)
[  586.268640][T31201] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.277312][T31202] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.279618][T31199] NILFS (loop0): mounting fs with errors
[  586.282347][T31202] Remounting filesystem read-only
[  586.283514][T31207] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.283644][T31202] NILFS (loop4): error -5 truncating bmap (ino=16)
[  586.293734][T31208] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.297685][T31197] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.298591][T31202] NILFS (loop4): mounting fs with errors
[  586.300854][T31197] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.305054][T31197] Remounting filesystem read-only
[  586.306335][T31197] NILFS (loop3): error -5 truncating bmap (ino=16)
[  586.308628][T31205] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.309542][T31197] NILFS (loop3): mounting fs with errors
[  586.315111][T31201] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.319852][T31201] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.322295][T31209] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.325908][T31201] Remounting filesystem read-only
[  586.341181][T31201] NILFS (loop2): error -5 truncating bmap (ino=16)
[  586.343213][T31201] NILFS (loop2): mounting fs with errors
[  586.349828][T31205] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.352074][T31205] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.361160][T31205] Remounting filesystem read-only
executing program
[  586.363643][T31205] NILFS (loop1): error -5 truncating bmap (ino=16)
[  586.365448][T31205] NILFS (loop1): mounting fs with errors
[  586.392884][T31211] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  586.414298][T31215] loop4: detected capacity change from 0 to 2048
[  586.420130][T31214] loop3: detected capacity change from 0 to 2048
executing program
[  586.454008][T31211] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.458084][T31215] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.460519][T31214] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.476097][T31217] loop2: detected capacity change from 0 to 2048
executing program
[  586.487398][T31219] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.489827][T31215] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.494158][T31215] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.498430][T31215] Remounting filesystem read-only
[  586.499725][T31215] NILFS (loop4): error -5 truncating bmap (ino=16)
[  586.502738][T31221] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.503114][T31222] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.512582][T31214] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.516064][T31211] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.524621][T31217] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.541717][T31215] NILFS (loop4): mounting fs with errors
[  586.543509][T31214] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.548590][T31211] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.548600][T31223] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.553831][T31217] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.556294][T31217] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.563718][T31214] Remounting filesystem read-only
[  586.564910][T31214] NILFS (loop3): error -5 truncating bmap (ino=16)
[  586.568369][T31211] Remounting filesystem read-only
[  586.571230][T31220] loop1: detected capacity change from 0 to 2048
[  586.572948][T31211] NILFS (loop0): error -5 truncating bmap (ino=16)
[  586.574643][T31224] NILFS (loop0): mounting fs with errors
[  586.577620][T31214] NILFS (loop3): mounting fs with errors
[  586.581003][T31217] Remounting filesystem read-only
[  586.585468][T31217] NILFS (loop2): error -5 truncating bmap (ino=16)
[  586.589291][T31217] NILFS (loop2): mounting fs with errors
executing program
executing program
[  586.629754][T31220] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.646654][T31231] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
executing program
[  586.668015][T31220] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.670605][T31220] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.673474][T31227] loop0: detected capacity change from 0 to 2048
[  586.676427][T31233] loop4: detected capacity change from 0 to 2048
[  586.684357][T31233] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.701738][T31235] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.706464][T31220] Remounting filesystem read-only
[  586.706636][T31229] loop3: detected capacity change from 0 to 2048
[  586.710300][T31227] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.713943][T31220] NILFS (loop1): error -5 truncating bmap (ino=16)
[  586.716262][T31220] NILFS (loop1): mounting fs with errors
[  586.718387][T31234] loop2: detected capacity change from 0 to 2048
[  586.718805][T31233] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.728387][T31233] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.739456][T31229] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.743483][T31233] Remounting filesystem read-only
[  586.745561][T31233] NILFS (loop4): error -5 truncating bmap (ino=16)
[  586.749671][T31234] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.755841][T31233] NILFS (loop4): mounting fs with errors
[  586.757836][T31236] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.769085][T31237] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.771432][T31227] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.777792][T31227] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.780368][T31234] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  586.787435][T31234] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.790010][T31239] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.799572][T31229] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.802173][T31229] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.813555][T31227] Remounting filesystem read-only
[  586.813590][T31234] Remounting filesystem read-only
[  586.814963][T31227] NILFS (loop0): error -5 truncating bmap (ino=16)
[  586.816182][T31234] NILFS (loop2): error -5 truncating bmap (ino=16)
[  586.820226][T31229] Remounting filesystem read-only
[  586.821537][T31229] NILFS (loop3): error -5 truncating bmap (ino=16)
[  586.823842][T31227] NILFS (loop0): mounting fs with errors
[  586.827652][T31240] loop1: detected capacity change from 0 to 2048
[  586.834010][T31229] NILFS (loop3): mounting fs with errors
[  586.844213][T31234] NILFS (loop2): mounting fs with errors
executing program
[  586.860041][T31240] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.883473][T31245] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  586.890384][T31240] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.892854][T31240] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.895305][T31243] loop4: detected capacity change from 0 to 2048
[  586.898073][T31240] Remounting filesystem read-only
[  586.899286][T31240] NILFS (loop1): error -5 truncating bmap (ino=16)
[  586.905602][T31240] NILFS (loop1): mounting fs with errors
executing program
[  586.941718][T31246] loop2: detected capacity change from 0 to 2048
[  586.946509][T31243] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  586.965100][T31248] loop3: detected capacity change from 0 to 2048
[  586.966851][T31251] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.967365][T31246] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.985255][T31243] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.988226][T31243] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  586.994072][T31243] Remounting filesystem read-only
[  586.995244][T31243] NILFS (loop4): error -5 truncating bmap (ino=16)
[  587.002266][T31250] loop0: detected capacity change from 0 to 2048
[  587.004247][T31243] NILFS (loop4): mounting fs with errors
[  587.012422][T31253] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.028753][T31246] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.031375][T31246] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.034615][T31248] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.041921][T31250] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.042942][T31246] Remounting filesystem read-only
[  587.054700][T31254] loop1: detected capacity change from 0 to 2048
[  587.056606][T31246] NILFS (loop2): error -5 truncating bmap (ino=16)
[  587.057150][T31255] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.059092][T31246] NILFS (loop2): mounting fs with errors
[  587.067390][T31248] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.070237][T31248] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.073171][T31248] Remounting filesystem read-only
[  587.074613][T31248] NILFS (loop3): error -5 truncating bmap (ino=16)
[  587.076574][T31248] NILFS (loop3): mounting fs with errors
executing program
[  587.089626][T31254] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.105130][T31258] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  587.121515][T31250] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.124163][T31250] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.136347][T31250] Remounting filesystem read-only
[  587.139035][T31250] NILFS (loop0): error -5 truncating bmap (ino=16)
executing program
[  587.142972][T31262] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.148972][T31250] NILFS (loop0): mounting fs with errors
[  587.150694][T31254] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.153620][T31254] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.165396][T31263] loop4: detected capacity change from 0 to 2048
[  587.171717][T31254] Remounting filesystem read-only
[  587.172891][T31261] loop2: detected capacity change from 0 to 2048
[  587.177551][T31254] NILFS (loop1): error -5 truncating bmap (ino=16)
[  587.179586][T31254] NILFS (loop1): mounting fs with errors
executing program
[  587.200371][T31265] loop3: detected capacity change from 0 to 2048
[  587.209478][T31263] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.225791][T31263] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.228831][T31266] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  587.233465][T31265] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  587.239119][T31263] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.243116][T31263] Remounting filesystem read-only
[  587.244534][T31263] NILFS (loop4): error -5 truncating bmap (ino=16)
[  587.246350][T31270] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.246699][T31263] NILFS (loop4): mounting fs with errors
[  587.252942][T31265] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.255539][T31265] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.258665][T31265] Remounting filesystem read-only
[  587.259851][T31265] NILFS (loop3): error -5 truncating bmap (ino=16)
[  587.266569][T31271] loop0: detected capacity change from 0 to 2048
[  587.269160][T31265] NILFS (loop3): mounting fs with errors
[  587.275373][T31269] loop1: detected capacity change from 0 to 2048
[  587.279164][T31261] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.292177][T31272] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.302434][T31261] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  587.305240][T31261] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.320303][T31271] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.323658][T31269] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.342353][T31276] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.350846][T31269] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.353352][T31269] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.367658][T31261] Remounting filesystem read-only
[  587.368858][T31261] NILFS (loop2): error -5 truncating bmap (ino=16)
executing program
[  587.378045][T31261] NILFS (loop2): mounting fs with errors
[  587.381838][T31278] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.393326][T31271] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.405310][T31274] loop3: detected capacity change from 0 to 2048
executing program
[  587.417563][T31269] Remounting filesystem read-only
[  587.418834][T31269] NILFS (loop1): error -5 truncating bmap (ino=16)
[  587.435525][T31271] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.438546][T31269] NILFS (loop1): mounting fs with errors
[  587.447550][T31271] Remounting filesystem read-only
[  587.448827][T31271] NILFS (loop0): error -5 truncating bmap (ino=16)
[  587.450598][T31283] NILFS (loop0): mounting fs with errors
[  587.462815][T31282] loop2: detected capacity change from 0 to 2048
[  587.468981][T31274] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.484803][T31284] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.487618][T31279] loop4: detected capacity change from 0 to 2048
[  587.491864][T31274] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.494346][T31274] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.498454][T31274] Remounting filesystem read-only
[  587.501313][T31282] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.505331][T31274] NILFS (loop3): error -5 truncating bmap (ino=16)
[  587.511290][T31274] NILFS (loop3): mounting fs with errors
[  587.537209][T31285] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.537310][T31279] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.545377][T31282] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.554364][T31282] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.557444][T31282] Remounting filesystem read-only
executing program
[  587.559199][T31282] NILFS (loop2): error -5 truncating bmap (ino=16)
[  587.561237][T31282] NILFS (loop2): mounting fs with errors
executing program
[  587.580807][T31289] loop1: detected capacity change from 0 to 2048
[  587.584734][T31290] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.587384][T31279] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.587416][T31279] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.606174][T31288] loop0: detected capacity change from 0 to 2048
[  587.613004][T31289] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.613386][T31279] Remounting filesystem read-only
[  587.624859][T31279] NILFS (loop4): error -5 truncating bmap (ino=16)
executing program
[  587.630679][T31279] NILFS (loop4): mounting fs with errors
[  587.644272][T31292] loop3: detected capacity change from 0 to 2048
[  587.646099][T31293] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.649553][T31288] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.662853][T31289] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.665520][T31289] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.668621][T31289] Remounting filesystem read-only
[  587.669950][T31289] NILFS (loop1): error -5 truncating bmap (ino=16)
[  587.673051][T31289] NILFS (loop1): mounting fs with errors
executing program
[  587.681775][T31295] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.687415][T31288] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.690064][T31288] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.693088][T31288] Remounting filesystem read-only
[  587.694608][T31288] NILFS (loop0): error -5 truncating bmap (ino=16)
[  587.696493][T31288] NILFS (loop0): mounting fs with errors
executing program
[  587.713236][T31292] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.736838][T31296] loop2: detected capacity change from 0 to 2048
[  587.746499][T31299] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.762458][T31292] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.765294][T31292] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.777519][T31298] loop4: detected capacity change from 0 to 2048
[  587.790816][T31292] Remounting filesystem read-only
[  587.792036][T31292] NILFS (loop3): error -5 truncating bmap (ino=16)
[  587.793997][T31292] NILFS (loop3): mounting fs with errors
executing program
[  587.811622][T31302] loop1: detected capacity change from 0 to 2048
executing program
[  587.815766][T31296] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.822539][T31298] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.843229][T31304] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.850243][T31302] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.861014][T31305] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.867510][T31296] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.882521][T31298] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.884795][T31298] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.887798][T31296] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.890255][T31306] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.910808][T31302] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.913896][T31296] Remounting filesystem read-only
[  587.916043][T31296] NILFS (loop2): error -5 truncating bmap (ino=16)
[  587.921914][T31302] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.924514][T31298] Remounting filesystem read-only
executing program
[  587.925732][T31298] NILFS (loop4): error -5 truncating bmap (ino=16)
[  587.928026][T31309] NILFS (loop4): mounting fs with errors
[  587.930341][T31302] Remounting filesystem read-only
[  587.931543][T31302] NILFS (loop1): error -5 truncating bmap (ino=16)
[  587.933479][T31307] NILFS (loop2): mounting fs with errors
[  587.944308][T31302] NILFS (loop1): mounting fs with errors
[  587.948173][T31303] loop0: detected capacity change from 0 to 2048
[  587.955723][T31310] loop3: detected capacity change from 0 to 2048
[  587.961445][T31303] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  587.988005][T31312] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.994784][T31303] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.005728][T31303] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.009685][T31303] Remounting filesystem read-only
[  588.011104][T31303] NILFS (loop0): error -5 truncating bmap (ino=16)
[  588.013053][T31303] NILFS (loop0): mounting fs with errors
executing program
[  588.035574][T31313] loop1: detected capacity change from 0 to 2048
executing program
[  588.045706][T31310] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.067542][T31315] loop2: detected capacity change from 0 to 2048
[  588.071514][T31318] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.075057][T31310] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.083239][T31317] loop4: detected capacity change from 0 to 2048
[  588.085012][T31310] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.089481][T31313] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.098003][T31310] Remounting filesystem read-only
[  588.099370][T31310] NILFS (loop3): error -5 truncating bmap (ino=16)
executing program
[  588.108036][T31310] NILFS (loop3): mounting fs with errors
[  588.114290][T31315] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.120214][T31320] loop0: detected capacity change from 0 to 2048
[  588.127446][T31321] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.131429][T31317] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.140222][T31313] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.147482][T31313] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.151450][T31313] Remounting filesystem read-only
[  588.152732][T31313] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  588.164125][T31313] NILFS (loop1): mounting fs with errors
[  588.170975][T31323] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.173456][T31324] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.180299][T31315] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.183029][T31315] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.193144][T31320] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.197736][T31317] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.200312][T31317] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.204338][T31317] Remounting filesystem read-only
[  588.205568][T31317] NILFS (loop4): error -5 truncating bmap (ino=16)
[  588.207701][T31317] NILFS (loop4): mounting fs with errors
[  588.208071][T31315] Remounting filesystem read-only
[  588.217518][T31315] NILFS (loop2): error -5 truncating bmap (ino=16)
[  588.221037][T31326] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.223098][T31315] NILFS (loop2): mounting fs with errors
executing program
[  588.241550][T31320] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.244110][T31320] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.254179][T31320] Remounting filesystem read-only
[  588.255513][T31320] NILFS (loop0): error -5 truncating bmap (ino=16)
[  588.271370][T31325] loop3: detected capacity change from 0 to 2048
[  588.279275][T31320] NILFS (loop0): mounting fs with errors
executing program
[  588.297554][T31331] loop1: detected capacity change from 0 to 2048
[  588.300080][T31328] loop4: detected capacity change from 0 to 2048
[  588.301902][T31331] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  588.318851][T31325] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.328161][T31335] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.333644][T31331] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.336111][T31331] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  588.355736][T31328] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.359653][T31338] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.364088][T31331] Remounting filesystem read-only
[  588.365305][T31331] NILFS (loop1): error -5 truncating bmap (ino=16)
[  588.371338][T31325] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.373813][T31325] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  588.387625][T31336] loop0: detected capacity change from 0 to 2048
[  588.387705][T31325] Remounting filesystem read-only
[  588.390300][T31325] NILFS (loop3): error -5 truncating bmap (ino=16)
[  588.399372][T31339] NILFS (loop1): mounting fs with errors
[  588.409706][T31325] NILFS (loop3): mounting fs with errors
[  588.421817][T31341] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.425350][T31336] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.442188][T31328] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.444752][T31328] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.449526][T31340] loop2: detected capacity change from 0 to 2048
[  588.453503][T31342] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.467739][T31328] Remounting filesystem read-only
[  588.469066][T31328] NILFS (loop4): error -5 truncating bmap (ino=16)
executing program
[  588.472955][T31328] NILFS (loop4): mounting fs with errors
executing program
[  588.473525][T31336] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.483479][T31336] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.486397][T31336] Remounting filesystem read-only
[  588.493744][T31345] loop1: detected capacity change from 0 to 2048
[  588.498533][T31336] NILFS (loop0): error -5 truncating bmap (ino=16)
[  588.506347][T31340] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.507457][T31336] NILFS (loop0): mounting fs with errors
[  588.516202][T31347] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.531431][T31346] loop3: detected capacity change from 0 to 2048
[  588.540848][T31345] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.546624][T31340] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.549898][T31340] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.552607][T31340] Remounting filesystem read-only
[  588.553781][T31340] NILFS (loop2): error -5 truncating bmap (ino=16)
[  588.555607][T31340] NILFS (loop2): mounting fs with errors
[  588.558130][T31348] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.562219][T31346] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.565785][T31345] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.568923][T31345] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.578070][T31345] Remounting filesystem read-only
[  588.579371][T31345] NILFS (loop1): error -5 truncating bmap (ino=16)
[  588.584074][T31345] NILFS (loop1): mounting fs with errors
[  588.587892][T31349] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
executing program
executing program
[  588.626520][T31351] loop4: detected capacity change from 0 to 2048
[  588.630727][T31346] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.633196][T31346] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.643101][T31355] loop0: detected capacity change from 0 to 2048
[  588.644994][T31346] Remounting filesystem read-only
[  588.648847][T31346] NILFS (loop3): error -5 truncating bmap (ino=16)
[  588.656562][T31346] NILFS (loop3): mounting fs with errors
[  588.664948][T31354] loop2: detected capacity change from 0 to 2048
[  588.695247][T31351] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.708149][T31355] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.712414][T31354] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.727347][T31356] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  588.735475][T31351] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.740468][T31351] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.743378][T31358] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.746177][T31355] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.754276][T31351] Remounting filesystem read-only
[  588.756769][T31351] NILFS (loop4): error -5 truncating bmap (ino=16)
[  588.757193][T31355] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.766914][T31361] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.767449][T31355] Remounting filesystem read-only
[  588.784406][T31354] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.787405][T31351] NILFS (loop4): mounting fs with errors
executing program
[  588.803293][T31355] NILFS (loop0): error -5 truncating bmap (ino=16)
[  588.806781][T31354] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.809528][T31355] NILFS (loop0): mounting fs with errors
[  588.819182][T31354] Remounting filesystem read-only
[  588.820475][T31354] NILFS (loop2): error -5 truncating bmap (ino=16)
[  588.821586][T31359] loop3: detected capacity change from 0 to 2048
[  588.832778][T31354] NILFS (loop2): mounting fs with errors
[  588.845261][T31363] loop1: detected capacity change from 0 to 2048
[  588.853560][T31359] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  588.870628][T31363] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.875024][T31365] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  588.900549][T31359] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.903218][T31359] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.907522][T31368] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.911757][T31363] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.914164][T31363] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.928994][T31359] Remounting filesystem read-only
[  588.933890][T31359] NILFS (loop3): error -5 truncating bmap (ino=16)
[  588.937610][T31363] Remounting filesystem read-only
[  588.938826][T31363] NILFS (loop1): error -5 truncating bmap (ino=16)
[  588.941125][T31359] NILFS (loop3): mounting fs with errors
[  588.955932][T31363] NILFS (loop1): mounting fs with errors
[  588.971517][T31366] loop4: detected capacity change from 0 to 2048
[  588.979972][T31369] loop0: detected capacity change from 0 to 2048
executing program
[  588.987106][T31366] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.999312][T31373] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.006281][T31366] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.010049][T31372] loop2: detected capacity change from 0 to 2048
[  589.012904][T31366] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.024156][T31372] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.024651][T31369] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.042365][T31366] Remounting filesystem read-only
[  589.049455][T31366] NILFS (loop4): error -5 truncating bmap (ino=16)
executing program
[  589.055992][T31366] NILFS (loop4): mounting fs with errors
executing program
[  589.067599][T31377] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.070261][T31379] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.081363][T31369] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.083050][T31372] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.087563][T31369] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.087944][T31372] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.095281][T31369] Remounting filesystem read-only
[  589.096407][T31369] NILFS (loop0): error -5 truncating bmap (ino=16)
executing program
[  589.099317][T31372] Remounting filesystem read-only
[  589.100523][T31372] NILFS (loop2): error -5 truncating bmap (ino=16)
[  589.106774][T31372] NILFS (loop2): mounting fs with errors
[  589.110158][T31380] loop1: detected capacity change from 0 to 2048
[  589.123098][T31369] NILFS (loop0): mounting fs with errors
[  589.133974][T31380] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.149149][T31382] loop4: detected capacity change from 0 to 2048
[  589.150116][T31378] loop3: detected capacity change from 0 to 2048
[  589.150914][T31383] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.159822][T31380] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.162345][T31380] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.173182][T31380] Remounting filesystem read-only
[  589.174394][T31380] NILFS (loop1): error -5 truncating bmap (ino=16)
[  589.177638][T31380] NILFS (loop1): mounting fs with errors
executing program
[  589.184485][T31382] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.209125][T31385] loop2: detected capacity change from 0 to 2048
executing program
[  589.209991][T31378] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.234371][T31387] loop0: detected capacity change from 0 to 2048
[  589.236293][T31388] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.241854][T31389] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.257709][T31385] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  589.266841][T31378] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.277110][T31378] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.277826][T31382] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.282701][T31382] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.287512][T31378] Remounting filesystem read-only
[  589.287628][T31387] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.288768][T31378] NILFS (loop3): error -5 truncating bmap (ino=16)
[  589.291189][T31392] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.309569][T31385] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.312225][T31385] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.314012][T31382] Remounting filesystem read-only
[  589.315504][T31382] NILFS (loop4): error -5 truncating bmap (ino=16)
[  589.317443][T31393] NILFS (loop4): mounting fs with errors
[  589.324188][T31378] NILFS (loop3): mounting fs with errors
[  589.324752][T31385] Remounting filesystem read-only
[  589.326822][T31385] NILFS (loop2): error -5 truncating bmap (ino=16)
[  589.335618][T31385] NILFS (loop2): mounting fs with errors
[  589.337939][T31391] loop1: detected capacity change from 0 to 2048
[  589.339422][T31394] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.350576][T31387] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.353530][T31387] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.364339][T31387] Remounting filesystem read-only
[  589.366730][T31387] NILFS (loop0): error -5 truncating bmap (ino=16)
[  589.368939][T31391] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.369393][T31387] NILFS (loop0): mounting fs with errors
[  589.397153][T31395] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.403146][T31391] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  589.413920][T31391] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
executing program
[  589.432618][T31391] Remounting filesystem read-only
[  589.433850][T31391] NILFS (loop1): error -5 truncating bmap (ino=16)
[  589.446716][T31399] loop2: detected capacity change from 0 to 2048
[  589.462650][T31391] NILFS (loop1): mounting fs with errors
executing program
[  589.492278][T31400] loop3: detected capacity change from 0 to 2048
[  589.492794][T31401] loop0: detected capacity change from 0 to 2048
[  589.502840][T31403] loop4: detected capacity change from 0 to 2048
[  589.504513][T31400] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.509699][T31399] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.525440][T31404] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.525842][T31405] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.531112][T31400] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.533617][T31400] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.539370][T31399] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.541923][T31399] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.544418][T31400] Remounting filesystem read-only
[  589.545726][T31400] NILFS (loop3): error -5 truncating bmap (ino=16)
[  589.548012][T31399] Remounting filesystem read-only
[  589.549230][T31399] NILFS (loop2): error -5 truncating bmap (ino=16)
[  589.551259][T31400] NILFS (loop3): mounting fs with errors
[  589.554000][T31399] NILFS (loop2): mounting fs with errors
[  589.556241][T31401] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.564934][T31403] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  589.590203][T31408] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.591697][T31409] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.594561][T31401] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.600112][T31403] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.602373][T31403] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.605173][T31403] Remounting filesystem read-only
[  589.611448][T31407] loop1: detected capacity change from 0 to 2048
[  589.612752][T31401] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.613290][T31403] NILFS (loop4): error -5 truncating bmap (ino=16)
[  589.616036][T31401] Remounting filesystem read-only
[  589.620082][T31403] NILFS (loop4): mounting fs with errors
[  589.621721][T31401] NILFS (loop0): error -5 truncating bmap (ino=16)
[  589.623933][T31401] NILFS (loop0): mounting fs with errors
executing program
[  589.655383][T31411] loop2: detected capacity change from 0 to 2048
[  589.659451][T31407] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  589.680329][T31413] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.685220][T31407] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.698267][T31407] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.701351][T31407] Remounting filesystem read-only
[  589.704193][T31407] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  589.709337][T31407] NILFS (loop1): mounting fs with errors
[  589.711635][T31411] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  589.723642][T31414] loop0: detected capacity change from 0 to 2048
[  589.724921][T31418] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.737887][T31411] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.740501][T31411] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.745209][T31411] Remounting filesystem read-only
[  589.746471][T31411] NILFS (loop2): error -5 truncating bmap (ino=16)
[  589.755666][T31411] NILFS (loop2): mounting fs with errors
[  589.764808][T31419] loop4: detected capacity change from 0 to 2048
[  589.769594][T31420] loop3: detected capacity change from 0 to 2048
[  589.780150][T31419] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.789591][T31419] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.792042][T31419] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.794589][T31421] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.801528][T31419] Remounting filesystem read-only
[  589.802695][T31419] NILFS (loop4): error -5 truncating bmap (ino=16)
[  589.803901][T31414] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  589.807999][T31419] NILFS (loop4): mounting fs with errors
[  589.814618][T31420] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.822750][T31424] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.833760][T31414] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.837999][T31414] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.849932][T31423] loop1: detected capacity change from 0 to 2048
[  589.851754][T31425] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.860284][T31414] Remounting filesystem read-only
[  589.861675][T31414] NILFS (loop0): error -5 truncating bmap (ino=16)
[  589.865955][T31420] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.868682][T31420] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  589.871082][T31414] NILFS (loop0): mounting fs with errors
[  589.881714][T31420] Remounting filesystem read-only
[  589.882983][T31420] NILFS (loop3): error -5 truncating bmap (ino=16)
executing program
[  589.890623][T31420] NILFS (loop3): mounting fs with errors
[  589.899740][T31427] loop2: detected capacity change from 0 to 2048
[  589.910287][T31429] loop4: detected capacity change from 0 to 2048
[  589.928749][T31423] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.939850][T31427] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.942804][T31430] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  589.956008][T31429] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.977165][T31423] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.981231][T31423] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.987889][T31423] Remounting filesystem read-only
[  589.989115][T31423] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  590.001773][T31423] NILFS (loop1): mounting fs with errors
[  590.002789][T31432] loop3: detected capacity change from 0 to 2048
[  590.007157][T31434] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.012194][T31436] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.012299][T31427] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.026664][T31429] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.030060][T31429] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.033732][T31427] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.033834][T31429] Remounting filesystem read-only
[  590.043813][T31432] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.047133][T31427] Remounting filesystem read-only
[  590.048422][T31427] NILFS (loop2): error -5 truncating bmap (ino=16)
[  590.054661][T31429] NILFS (loop4): error -5 truncating bmap (ino=16)
[  590.055050][T31435] loop0: detected capacity change from 0 to 2048
[  590.067541][T31427] NILFS (loop2): mounting fs with errors
[  590.067764][T31429] NILFS (loop4): mounting fs with errors
[  590.074023][T31437] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.081548][T31435] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  590.094993][T31432] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.105163][T31432] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.112379][T31432] Remounting filesystem read-only
[  590.115605][T31440] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.116015][T31432] NILFS (loop3): error -5 truncating bmap (ino=16)
[  590.126000][T31432] NILFS (loop3): mounting fs with errors
[  590.128329][T31435] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.137521][T31435] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.140580][T31435] Remounting filesystem read-only
executing program
[  590.141840][T31435] NILFS (loop0): error -5 truncating bmap (ino=16)
[  590.144846][T31435] NILFS (loop0): mounting fs with errors
executing program
[  590.182738][T31439] loop1: detected capacity change from 0 to 2048
executing program
executing program
[  590.223698][T31439] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.238442][T31446] loop2: detected capacity change from 0 to 2048
[  590.240614][T31444] loop3: detected capacity change from 0 to 2048
executing program
[  590.254769][T31450] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.274973][T31444] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.279846][T31446] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.281795][T31439] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.284789][T31439] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.292905][T31439] Remounting filesystem read-only
[  590.294195][T31439] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  590.306911][T31439] NILFS (loop1): mounting fs with errors
[  590.308854][T31454] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.312427][T31444] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.314877][T31444] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.329150][T31444] Remounting filesystem read-only
[  590.330461][T31444] NILFS (loop3): error -5 truncating bmap (ino=16)
[  590.332245][T31455] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.335079][T31444] NILFS (loop3): mounting fs with errors
[  590.337816][T31451] loop4: detected capacity change from 0 to 2048
[  590.343976][T31453] loop0: detected capacity change from 0 to 2048
[  590.347749][T31446] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.350942][T31446] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.355089][T31446] Remounting filesystem read-only
[  590.357999][T31446] NILFS (loop2): error -5 truncating bmap (ino=16)
[  590.360021][T31446] NILFS (loop2): mounting fs with errors
[  590.399627][T31453] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.417251][T31451] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.427442][T31457] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  590.443029][T31453] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.445772][T31453] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.449102][T31453] Remounting filesystem read-only
executing program
[  590.450399][T31453] NILFS (loop0): error -5 truncating bmap (ino=16)
[  590.459378][T31453] NILFS (loop0): mounting fs with errors
[  590.467611][T31459] loop1: detected capacity change from 0 to 2048
[  590.472121][T31460] loop3: detected capacity change from 0 to 2048
[  590.479274][T31460] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.482216][T31461] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  590.504940][T31451] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.508368][T31451] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.510667][T31464] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.513090][T31460] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.515781][T31460] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.519720][T31451] Remounting filesystem read-only
[  590.520860][T31451] NILFS (loop4): error -5 truncating bmap (ino=16)
[  590.522247][T31463] loop2: detected capacity change from 0 to 2048
[  590.523127][T31460] Remounting filesystem read-only
[  590.524374][T31451] NILFS (loop4): mounting fs with errors
[  590.525199][T31460] NILFS (loop3): error -5 truncating bmap (ino=16)
[  590.529319][T31460] NILFS (loop3): mounting fs with errors
executing program
[  590.547533][T31463] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.558949][T31467] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.562764][T31466] loop0: detected capacity change from 0 to 2048
[  590.563815][T31463] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.566795][T31463] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.569591][T31463] Remounting filesystem read-only
[  590.570768][T31463] NILFS (loop2): error -5 truncating bmap (ino=16)
[  590.572722][T31463] NILFS (loop2): mounting fs with errors
[  590.589053][T31459] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.611691][T31466] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  590.634636][T31468] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.643062][T31459] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.645391][T31459] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.650185][T31470] loop2: detected capacity change from 0 to 2048
[  590.652350][T31459] Remounting filesystem read-only
[  590.653571][T31459] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
executing program
[  590.659762][T31459] NILFS (loop1): mounting fs with errors
[  590.670216][T31475] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.685360][T31470] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.691106][T31466] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.693492][T31466] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.703844][T31473] loop3: detected capacity change from 0 to 2048
[  590.705575][T31476] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.712743][T31474] loop4: detected capacity change from 0 to 2048
[  590.715114][T31466] Remounting filesystem read-only
[  590.716397][T31466] NILFS (loop0): error -5 truncating bmap (ino=16)
[  590.720618][T31470] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.723056][T31470] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.726271][T31466] NILFS (loop0): mounting fs with errors
[  590.728421][T31473] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.733439][T31470] Remounting filesystem read-only
[  590.734591][T31470] NILFS (loop2): error -5 truncating bmap (ino=16)
[  590.741471][T31474] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.758440][T31470] NILFS (loop2): mounting fs with errors
executing program
[  590.765536][T31478] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.768565][T31480] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.775684][T31474] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.776109][T31473] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.785486][T31473] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.786027][T31474] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.797681][T31473] Remounting filesystem read-only
[  590.798924][T31473] NILFS (loop3): error -5 truncating bmap (ino=16)
[  590.809200][T31473] NILFS (loop3): mounting fs with errors
[  590.812193][T31474] Remounting filesystem read-only
[  590.813421][T31474] NILFS (loop4): error -5 truncating bmap (ino=16)
[  590.815240][T31479] loop1: detected capacity change from 0 to 2048
executing program
[  590.823440][T31474] NILFS (loop4): mounting fs with errors
[  590.827154][T31479] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.857606][T31483] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  590.883882][T31479] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.886785][T31482] loop0: detected capacity change from 0 to 2048
executing program
[  590.895585][T31479] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.904707][T31482] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.918189][T31479] Remounting filesystem read-only
[  590.919442][T31479] NILFS (loop1): error -5 truncating bmap (ino=16)
[  590.937154][T31488] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.941590][T31479] NILFS (loop1): mounting fs with errors
[  590.957800][T31482] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.960293][T31482] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  590.974831][T31487] loop3: detected capacity change from 0 to 2048
[  590.981150][T31486] loop2: detected capacity change from 0 to 2048
[  590.984343][T31482] Remounting filesystem read-only
[  590.985498][T31482] NILFS (loop0): error -5 truncating bmap (ino=16)
[  590.994467][T31490] loop4: detected capacity change from 0 to 2048
[  590.994528][T31482] NILFS (loop0): mounting fs with errors
[  591.011967][T31486] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.014555][T31487] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.040813][T31490] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  591.045537][T31492] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.048074][T31493] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.050749][T31486] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.053316][T31486] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.056128][T31487] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.060888][T31487] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.073286][T31494] loop1: detected capacity change from 0 to 2048
[  591.075576][T31487] Remounting filesystem read-only
[  591.076848][T31487] NILFS (loop3): error -5 truncating bmap (ino=16)
[  591.080165][T31486] Remounting filesystem read-only
[  591.081122][T31487] NILFS (loop3): mounting fs with errors
[  591.081348][T31486] NILFS (loop2): error -5 truncating bmap (ino=16)
[  591.086101][T31486] NILFS (loop2): mounting fs with errors
[  591.099752][T31494] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.107956][T31495] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  591.121533][T31490] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.123923][T31490] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.126597][T31490] Remounting filesystem read-only
[  591.128821][T31490] NILFS (loop4): error -5 truncating bmap (ino=16)
[  591.137451][T31490] NILFS (loop4): mounting fs with errors
[  591.137788][T31498] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.146310][T31494] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.181624][T31494] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.190774][T31494] Remounting filesystem read-only
executing program
executing program
[  591.204894][T31494] NILFS (loop1): error -5 truncating bmap (ino=16)
[  591.212123][T31501] NILFS (loop1): mounting fs with errors
[  591.229680][T31497] loop0: detected capacity change from 0 to 2048
executing program
[  591.248649][T31503] loop2: detected capacity change from 0 to 2048
[  591.257513][T31502] loop3: detected capacity change from 0 to 2048
[  591.261083][T31505] loop4: detected capacity change from 0 to 2048
[  591.271541][T31497] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.283699][T31503] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.302456][T31502] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.305085][T31505] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.307361][T31508] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.310974][T31507] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  591.318184][T31497] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.320622][T31497] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.321866][T31503] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.327440][T31503] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.332020][T31497] Remounting filesystem read-only
[  591.333114][T31497] NILFS (loop0): error -5 truncating bmap (ino=16)
[  591.338860][T31503] Remounting filesystem read-only
[  591.340180][T31503] NILFS (loop2): error -5 truncating bmap (ino=16)
[  591.342521][T31510] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.347210][T31497] NILFS (loop0): mounting fs with errors
[  591.351444][T31505] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.352777][T31503] NILFS (loop2): mounting fs with errors
[  591.354330][T31505] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.365565][T31511] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.366404][T31509] loop1: detected capacity change from 0 to 2048
[  591.370522][T31505] Remounting filesystem read-only
[  591.371959][T31505] NILFS (loop4): error -5 truncating bmap (ino=16)
[  591.372707][T31502] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.373941][T31505] NILFS (loop4): mounting fs with errors
[  591.386892][T31502] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.391912][T31509] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.406558][T31502] Remounting filesystem read-only
[  591.420565][T31502] NILFS (loop3): error -5 truncating bmap (ino=16)
[  591.421671][T31513] NILFS (loop3): mounting fs with errors
[  591.422648][T31512] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.430270][T31509] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.432618][T31509] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.435247][T31509] Remounting filesystem read-only
[  591.436474][T31509] NILFS (loop1): error -5 truncating bmap (ino=16)
[  591.439316][T31509] NILFS (loop1): mounting fs with errors
executing program
executing program
[  591.483853][T31517] loop0: detected capacity change from 0 to 2048
executing program
executing program
[  591.524439][T31517] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.538641][T31516] loop4: detected capacity change from 0 to 2048
[  591.542701][T31519] loop3: detected capacity change from 0 to 2048
[  591.542699][T31523] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  591.550514][T31517] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.553270][T31517] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.555993][T31517] Remounting filesystem read-only
[  591.557763][T31517] NILFS (loop0): error -5 truncating bmap (ino=16)
[  591.559990][T31517] NILFS (loop0): mounting fs with errors
[  591.560458][T31524] loop1: detected capacity change from 0 to 2048
[  591.575812][T31521] loop2: detected capacity change from 0 to 2048
[  591.580027][T31524] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.580106][T31519] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.587848][T31525] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.592589][T31524] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.595148][T31524] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.600901][T31526] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.610498][T31516] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.615574][T31524] Remounting filesystem read-only
[  591.616803][T31524] NILFS (loop1): error -5 truncating bmap (ino=16)
[  591.620920][T31527] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.626124][T31516] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.639496][T31516] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.642310][T31521] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.649232][T31519] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  591.654894][T31519] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.656894][T31516] Remounting filesystem read-only
[  591.658048][T31524] NILFS (loop1): mounting fs with errors
[  591.664738][T31529] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.667398][T31516] NILFS (loop4): error -5 truncating bmap (ino=16)
[  591.667537][T31521] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.679187][T31521] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.682006][T31519] Remounting filesystem read-only
[  591.683255][T31519] NILFS (loop3): error -5 truncating bmap (ino=16)
[  591.685513][T31516] NILFS (loop4): mounting fs with errors
[  591.687904][T31521] Remounting filesystem read-only
[  591.692666][T31519] NILFS (loop3): mounting fs with errors
[  591.699479][T31521] NILFS (loop2): error -5 truncating bmap (ino=16)
executing program
[  591.712973][T31521] NILFS (loop2): mounting fs with errors
[  591.727903][T31530] loop0: detected capacity change from 0 to 2048
[  591.737690][T31530] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
executing program
[  591.784536][T31536] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.796462][T31537] loop1: detected capacity change from 0 to 2048
[  591.815172][T31530] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.817724][T31530] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  591.822842][T31530] Remounting filesystem read-only
[  591.824127][T31530] NILFS (loop0): error -5 truncating bmap (ino=16)
[  591.835784][T31530] NILFS (loop0): mounting fs with errors
executing program
[  591.855292][T31537] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.860292][T31540] loop4: detected capacity change from 0 to 2048
[  591.863757][T31540] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  591.888150][T31543] loop2: detected capacity change from 0 to 2048
[  591.897546][T31543] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.899785][T31544] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.908242][T31540] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.912583][T31546] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  591.918388][T31543] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.920876][T31543] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.927545][T31547] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.937576][T31543] Remounting filesystem read-only
[  591.937939][T31537] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.938811][T31543] NILFS (loop2): error -5 truncating bmap (ino=16)
[  591.941406][T31537] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.951162][T31540] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.964833][T31540] Remounting filesystem read-only
[  591.966113][T31540] NILFS (loop4): error -5 truncating bmap (ino=16)
[  591.968385][T31543] NILFS (loop2): mounting fs with errors
[  591.973944][T31540] NILFS (loop4): mounting fs with errors
[  591.977684][T31541] loop3: detected capacity change from 0 to 2048
[  591.979998][T31537] Remounting filesystem read-only
[  591.981326][T31537] NILFS (loop1): error -5 truncating bmap (ino=16)
[  591.993363][T31537] NILFS (loop1): mounting fs with errors
[  592.001751][T31548] loop0: detected capacity change from 0 to 2048
[  592.019779][T31541] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.031138][T31548] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.034452][T31551] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.049901][T31541] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
executing program
[  592.055632][T31541] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.061130][T31541] Remounting filesystem read-only
[  592.062432][T31541] NILFS (loop3): error -5 truncating bmap (ino=16)
[  592.064581][T31541] NILFS (loop3): mounting fs with errors
executing program
[  592.073436][T31556] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.077177][T31548] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.079675][T31548] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.082754][T31548] Remounting filesystem read-only
[  592.084026][T31548] NILFS (loop0): error -5 truncating bmap (ino=16)
[  592.086149][T31548] NILFS (loop0): mounting fs with errors
[  592.114635][T31555] loop1: detected capacity change from 0 to 2048
[  592.118764][T31558] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  592.149251][T31554] loop2: detected capacity change from 0 to 2048
[  592.153397][T31562] loop3: detected capacity change from 0 to 2048
[  592.166120][T31560] loop0: detected capacity change from 0 to 2048
[  592.169963][T31555] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.170162][T31558] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.190547][T31554] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.197543][T31564] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.200728][T31562] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.203766][T31565] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.211303][T31555] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.213940][T31555] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.223415][T31558] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.225977][T31558] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.232786][T31555] Remounting filesystem read-only
[  592.234962][T31558] Remounting filesystem read-only
[  592.236223][T31558] NILFS (loop4): error -5 truncating bmap (ino=16)
[  592.238231][T31566] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.240297][T31560] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.245029][T31567] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.251769][T31554] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.254299][T31554] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.257793][T31562] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.262305][T31555] NILFS (loop1): error -5 truncating bmap (ino=16)
[  592.272682][T31562] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.276774][T31568] NILFS (loop4): mounting fs with errors
[  592.278908][T31555] NILFS (loop1): mounting fs with errors
[  592.285451][T31570] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.288084][T31554] Remounting filesystem read-only
[  592.288901][T31562] Remounting filesystem read-only
[  592.290042][T31554] NILFS (loop2): error -5 truncating bmap (ino=16)
[  592.290969][T31562] NILFS (loop3): error -5 truncating bmap (ino=16)
[  592.294054][T31562] NILFS (loop3): mounting fs with errors
[  592.303373][T31554] NILFS (loop2): mounting fs with errors
[  592.308912][T31560] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.320011][T31560] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
executing program
[  592.339053][T31560] Remounting filesystem read-only
[  592.340325][T31560] NILFS (loop0): error -5 truncating bmap (ino=16)
[  592.342919][T31560] NILFS (loop0): mounting fs with errors
executing program
executing program
executing program
executing program
executing program
[  592.455204][T31580] loop1: detected capacity change from 0 to 2048
[  592.464693][T31584] loop2: detected capacity change from 0 to 2048
executing program
[  592.481900][T31580] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.484668][T31582] loop0: detected capacity change from 0 to 2048
[  592.493728][T31586] loop3: detected capacity change from 0 to 2048
[  592.496439][T31589] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.498960][T31580] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.502418][T31580] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.505299][T31580] Remounting filesystem read-only
[  592.506554][T31580] NILFS (loop1): error -5 truncating bmap (ino=16)
[  592.507665][T31588] loop4: detected capacity change from 0 to 2048
[  592.509456][T31580] NILFS (loop1): mounting fs with errors
[  592.538435][T31584] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.544438][T31582] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.549674][T31586] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.562037][T31590] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.564377][T31588] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.584509][T31591] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.587105][T31582] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.597590][T31582] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.598193][T31584] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.600423][T31592] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.602385][T31584] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.605271][T31594] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.614002][T31582] Remounting filesystem read-only
[  592.616119][T31582] NILFS (loop0): error -5 truncating bmap (ino=16)
[  592.619324][T31586] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.622079][T31588] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.624580][T31588] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  592.629389][T31586] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.632435][T31588] Remounting filesystem read-only
[  592.633712][T31588] NILFS (loop4): error -5 truncating bmap (ino=16)
[  592.635644][T31586] Remounting filesystem read-only
[  592.638142][T31582] NILFS (loop0): mounting fs with errors
[  592.642440][T31586] NILFS (loop3): error -5 truncating bmap (ino=16)
[  592.644459][T31588] NILFS (loop4): mounting fs with errors
[  592.646303][T31586] NILFS (loop3): mounting fs with errors
[  592.649856][T31584] Remounting filesystem read-only
[  592.651155][T31584] NILFS (loop2): error -5 truncating bmap (ino=16)
[  592.661421][T31595] loop1: detected capacity change from 0 to 2048
[  592.665146][T31584] NILFS (loop2): mounting fs with errors
executing program
executing program
[  592.719281][T31595] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  592.737650][T31600] loop4: detected capacity change from 0 to 2048
executing program
[  592.755777][T31604] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.763494][T31602] loop3: detected capacity change from 0 to 2048
executing program
[  592.772343][T31595] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.775057][T31595] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.785892][T31600] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.786226][T31607] loop0: detected capacity change from 0 to 2048
[  592.810690][T31602] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.811027][T31606] loop2: detected capacity change from 0 to 2048
[  592.815528][T31595] Remounting filesystem read-only
[  592.817224][T31595] NILFS (loop1): error -5 truncating bmap (ino=16)
[  592.823566][T31608] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.826016][T31600] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.834621][T31595] NILFS (loop1): mounting fs with errors
[  592.836921][T31600] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.844476][T31607] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.853972][T31610] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.859527][T31606] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.859597][T31600] Remounting filesystem read-only
[  592.863103][T31600] NILFS (loop4): error -5 truncating bmap (ino=16)
[  592.870318][T31602] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.872823][T31602] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.887138][T31611] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.887525][T31602] Remounting filesystem read-only
[  592.892107][T31602] NILFS (loop3): error -5 truncating bmap (ino=16)
[  592.894391][T31600] NILFS (loop4): mounting fs with errors
[  592.895646][T31613] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.905551][T31602] NILFS (loop3): mounting fs with errors
[  592.907131][T31607] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.908562][T31606] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.909707][T31607] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.912275][T31606] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.930913][T31607] Remounting filesystem read-only
[  592.932422][T31606] Remounting filesystem read-only
[  592.932558][T31607] NILFS (loop0): error -5 truncating bmap (ino=16)
[  592.933702][T31606] NILFS (loop2): error -5 truncating bmap (ino=16)
[  592.939097][T31607] NILFS (loop0): mounting fs with errors
[  592.945339][T31606] NILFS (loop2): mounting fs with errors
executing program
[  592.981207][T31615] loop1: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  593.020767][T31619] loop4: detected capacity change from 0 to 2048
[  593.034314][T31620] loop2: detected capacity change from 0 to 2048
executing program
[  593.042736][T31621] loop0: detected capacity change from 0 to 2048
[  593.049315][T31619] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.056555][T31624] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.056789][T31623] loop3: detected capacity change from 0 to 2048
[  593.063121][T31619] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.065623][T31619] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.069927][T31620] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.072733][T31619] Remounting filesystem read-only
[  593.074043][T31619] NILFS (loop4): error -5 truncating bmap (ino=16)
[  593.076062][T31619] NILFS (loop4): mounting fs with errors
[  593.079237][T31625] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.082477][T31620] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.085144][T31620] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.095738][T31615] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.101955][T31621] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.115196][T31623] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.121946][T31620] Remounting filesystem read-only
[  593.123445][T31620] NILFS (loop2): error -5 truncating bmap (ino=16)
[  593.128075][T31620] NILFS (loop2): mounting fs with errors
[  593.130160][T31626] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.136483][T31621] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.140013][T31621] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.143128][T31621] Remounting filesystem read-only
[  593.144488][T31621] NILFS (loop0): error -5 truncating bmap (ino=16)
[  593.158082][T31621] NILFS (loop0): mounting fs with errors
[  593.161419][T31627] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.166838][T31623] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.174403][T31623] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.176926][T31628] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.179439][T31623] Remounting filesystem read-only
[  593.185928][T31623] NILFS (loop3): error -5 truncating bmap (ino=16)
[  593.187980][T31623] NILFS (loop3): mounting fs with errors
[  593.189128][T31615] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.192141][T31615] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.195742][T31615] Remounting filesystem read-only
[  593.197125][T31615] NILFS (loop1): error -5 truncating bmap (ino=16)
[  593.199179][T31615] NILFS (loop1): mounting fs with errors
executing program
[  593.236452][T31630] loop4: detected capacity change from 0 to 2048
executing program
[  593.255827][T31632] loop2: detected capacity change from 0 to 2048
executing program
[  593.282238][T31630] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.299219][T31632] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
executing program
[  593.327407][T31637] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.332635][T31630] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.335139][T31630] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.346309][T31634] loop1: detected capacity change from 0 to 2048
[  593.349073][T31630] Remounting filesystem read-only
[  593.350288][T31630] NILFS (loop4): error -5 truncating bmap (ino=16)
[  593.354361][T31630] NILFS (loop4): mounting fs with errors
[  593.362634][T31639] loop0: detected capacity change from 0 to 2048
[  593.365147][T31640] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.367677][T31632] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.370837][T31638] loop3: detected capacity change from 0 to 2048
[  593.370920][T31632] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.375393][T31632] Remounting filesystem read-only
[  593.376699][T31632] NILFS (loop2): error -5 truncating bmap (ino=16)
[  593.379021][T31632] NILFS (loop2): mounting fs with errors
[  593.399739][T31638] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.402291][T31639] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.410491][T31641] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.413155][T31639] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.413805][T31642] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.416051][T31639] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.421490][T31638] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.423988][T31638] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.426762][T31638] Remounting filesystem read-only
[  593.437419][T31634] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.444344][T31638] NILFS (loop3): error -5 truncating bmap (ino=16)
[  593.446341][T31639] Remounting filesystem read-only
[  593.446585][T31638] NILFS (loop3): mounting fs with errors
[  593.451033][T31645] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.451255][T31639] NILFS (loop0): error -5 truncating bmap (ino=16)
[  593.459358][T31634] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.468628][T31634] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.472340][T31634] Remounting filesystem read-only
[  593.474402][T31634] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
executing program
[  593.496048][T31634] NILFS (loop1): mounting fs with errors
[  593.498012][T31646] NILFS (loop0): mounting fs with errors
[  593.519941][T31648] loop2: detected capacity change from 0 to 2048
[  593.527241][T31647] loop4: detected capacity change from 0 to 2048
executing program
[  593.563190][T31650] loop3: detected capacity change from 0 to 2048
[  593.565268][T31647] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  593.583539][T31652] loop0: detected capacity change from 0 to 2048
[  593.583758][T31654] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  593.590647][T31647] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.593214][T31647] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.595998][T31647] Remounting filesystem read-only
[  593.599799][T31647] NILFS (loop4): error -5 truncating bmap (ino=16)
[  593.601691][T31650] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.601956][T31655] loop1: detected capacity change from 0 to 2048
[  593.607285][T31647] NILFS (loop4): mounting fs with errors
[  593.610810][T31656] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.613281][T31650] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.615888][T31650] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.619190][T31650] Remounting filesystem read-only
[  593.620630][T31650] NILFS (loop3): error -5 truncating bmap (ino=16)
[  593.622571][T31650] NILFS (loop3): mounting fs with errors
[  593.627320][T31648] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.634109][T31652] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.650197][T31657] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.655680][T31648] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.660723][T31648] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.661422][T31658] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.667566][T31655] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.674959][T31648] Remounting filesystem read-only
[  593.675806][T31652] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.676281][T31648] NILFS (loop2): error -5 truncating bmap (ino=16)
[  593.681200][T31648] NILFS (loop2): mounting fs with errors
[  593.683113][T31652] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.688406][T31652] Remounting filesystem read-only
[  593.689670][T31652] NILFS (loop0): error -5 truncating bmap (ino=16)
[  593.691902][T31652] NILFS (loop0): mounting fs with errors
[  593.694805][T31659] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
executing program
[  593.729700][T31655] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.734704][T31661] loop4: detected capacity change from 0 to 2048
[  593.737560][T31655] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.762383][T31655] Remounting filesystem read-only
[  593.763670][T31655] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  593.770661][T31661] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.774325][T31655] NILFS (loop1): mounting fs with errors
executing program
executing program
[  593.810789][T31670] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.816906][T31661] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.816960][T31668] loop2: detected capacity change from 0 to 2048
[  593.825418][T31669] loop0: detected capacity change from 0 to 2048
[  593.828038][T31661] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.831797][T31661] Remounting filesystem read-only
[  593.832488][T31665] loop3: detected capacity change from 0 to 2048
[  593.833064][T31661] NILFS (loop4): error -5 truncating bmap (ino=16)
[  593.838357][T31669] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.843164][T31661] NILFS (loop4): mounting fs with errors
[  593.848320][T31671] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.852451][T31669] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.856523][T31669] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.859518][T31669] Remounting filesystem read-only
[  593.860907][T31669] NILFS (loop0): error -5 truncating bmap (ino=16)
[  593.862846][T31669] NILFS (loop0): mounting fs with errors
[  593.877659][T31668] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.896958][T31665] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.911313][T31673] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.921862][T31665] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.924456][T31665] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  593.958605][T31665] Remounting filesystem read-only
[  593.959896][T31665] NILFS (loop3): error -5 truncating bmap (ino=16)
[  593.959936][T31674] loop1: detected capacity change from 0 to 2048
executing program
[  593.964561][T31677] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.969416][T31665] NILFS (loop3): mounting fs with errors
executing program
[  593.974124][T31668] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.976666][T31668] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.000563][T31680] loop4: detected capacity change from 0 to 2048
[  594.003766][T31668] Remounting filesystem read-only
[  594.005057][T31668] NILFS (loop2): error -5 truncating bmap (ino=16)
[  594.007283][T31674] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.012518][T31668] NILFS (loop2): mounting fs with errors
[  594.035320][T31679] loop0: detected capacity change from 0 to 2048
[  594.039660][T31680] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.057439][T31681] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.060868][T31679] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.064990][T31674] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.067592][T31674] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.074374][T31682] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.074424][T31674] Remounting filesystem read-only
[  594.079271][T31674] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  594.103405][T31674] NILFS (loop1): mounting fs with errors
[  594.105212][T31680] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  594.109991][T31680] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.113324][T31680] Remounting filesystem read-only
[  594.114919][T31680] NILFS (loop4): error -5 truncating bmap (ino=16)
[  594.118432][T31680] NILFS (loop4): mounting fs with errors
[  594.143664][T31687] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.146147][T31679] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.149726][T31686] loop3: detected capacity change from 0 to 2048
[  594.151123][T31679] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  594.166278][T31679] Remounting filesystem read-only
executing program
[  594.177753][T31679] NILFS (loop0): error -5 truncating bmap (ino=16)
[  594.193575][T31679] NILFS (loop0): mounting fs with errors
executing program
[  594.214273][T31691] loop1: detected capacity change from 0 to 2048
[  594.223523][T31686] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.247663][T31693] loop4: detected capacity change from 0 to 2048
executing program
[  594.253044][T31695] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  594.265649][T31691] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.270720][T31696] loop0: detected capacity change from 0 to 2048
[  594.275982][T31686] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.289220][T31693] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.293435][T31686] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.301271][T31698] loop2: detected capacity change from 0 to 2048
[  594.301402][T31699] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.308640][T31686] Remounting filesystem read-only
[  594.310027][T31686] NILFS (loop3): error -5 truncating bmap (ino=16)
[  594.311687][T31696] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.315513][T31700] NILFS (loop3): mounting fs with errors
[  594.317231][T31701] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.323453][T31691] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.326064][T31691] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.334180][T31693] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.335621][T31691] Remounting filesystem read-only
[  594.336632][T31693] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.338055][T31691] NILFS (loop1): error -5 truncating bmap (ino=16)
[  594.338416][T31691] NILFS (loop1): mounting fs with errors
[  594.347773][T31693] Remounting filesystem read-only
[  594.350730][T31693] NILFS (loop4): error -5 truncating bmap (ino=16)
[  594.353692][T31698] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.354087][T31693] NILFS (loop4): mounting fs with errors
[  594.375568][T31702] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.378406][T31696] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.381353][T31696] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  594.388695][T31696] Remounting filesystem read-only
[  594.390067][T31696] NILFS (loop0): error -5 truncating bmap (ino=16)
[  594.405367][T31696] NILFS (loop0): mounting fs with errors
[  594.413570][T31705] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  594.441118][T31707] loop3: detected capacity change from 0 to 2048
[  594.445441][T31707] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.449038][T31698] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.451575][T31698] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  594.458954][T31698] Remounting filesystem read-only
[  594.460205][T31698] NILFS (loop2): error -5 truncating bmap (ino=16)
[  594.468552][T31710] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.488099][T31707] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.490677][T31707] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
executing program
[  594.504759][T31698] NILFS (loop2): mounting fs with errors
[  594.534228][T31707] Remounting filesystem read-only
[  594.535471][T31707] NILFS (loop3): error -5 truncating bmap (ino=16)
[  594.543400][T31715] NILFS (loop3): mounting fs with errors
[  594.551128][T31713] loop1: detected capacity change from 0 to 2048
[  594.553592][T31714] loop4: detected capacity change from 0 to 2048
[  594.571705][T31709] loop0: detected capacity change from 0 to 2048
executing program
[  594.619271][T31709] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.619911][T31717] loop3: detected capacity change from 0 to 2048
[  594.623661][T31714] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  594.637182][T31720] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.642032][T31721] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.642619][T31714] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.647386][T31714] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.651632][T31709] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.652689][T31719] loop2: detected capacity change from 0 to 2048
[  594.654073][T31709] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.655940][T31714] Remounting filesystem read-only
[  594.658460][T31709] Remounting filesystem read-only
[  594.660923][T31709] NILFS (loop0): error -5 truncating bmap (ino=16)
[  594.662927][T31709] NILFS (loop0): mounting fs with errors
[  594.666145][T31714] NILFS (loop4): error -5 truncating bmap (ino=16)
[  594.668996][T31713] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.681240][T31717] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.695042][T31722] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.702177][T31719] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.704276][T31714] NILFS (loop4): mounting fs with errors
[  594.714279][T31725] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.716858][T31717] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.720816][T31713] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.723339][T31713] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  594.732821][T31717] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.737358][T31717] Remounting filesystem read-only
[  594.738212][T31727] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.738610][T31717] NILFS (loop3): error -5 truncating bmap (ino=16)
[  594.750842][T31719] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.761973][T31719] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.766224][T31726] loop0: detected capacity change from 0 to 2048
[  594.768205][T31713] Remounting filesystem read-only
[  594.768780][T31719] Remounting filesystem read-only
[  594.769619][T31713] NILFS (loop1): error -5 truncating bmap (ino=16)
[  594.770746][T31719] NILFS (loop2): error -5 truncating bmap (ino=16)
[  594.778780][T31717] NILFS (loop3): mounting fs with errors
[  594.781651][T31719] NILFS (loop2): mounting fs with errors
[  594.782389][T31713] NILFS (loop1): mounting fs with errors
[  594.795009][T31726] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  594.831865][T31730] loop4: detected capacity change from 0 to 2048
executing program
[  594.837581][T31730] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
executing program
[  594.856302][T31734] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.865727][T31730] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.872158][T31730] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  594.879184][T31730] Remounting filesystem read-only
[  594.880421][T31730] NILFS (loop4): error -5 truncating bmap (ino=16)
[  594.888034][T31730] NILFS (loop4): mounting fs with errors
executing program
[  594.916932][T31741] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.921352][T31726] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.924315][T31726] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.930546][T31726] Remounting filesystem read-only
[  594.931783][T31726] NILFS (loop0): error -5 truncating bmap (ino=16)
executing program
[  594.938504][T31726] NILFS (loop0): mounting fs with errors
[  594.973067][T31739] loop1: detected capacity change from 0 to 2048
executing program
[  594.992037][T31742] loop2: detected capacity change from 0 to 2048
[  594.993913][T31746] loop3: detected capacity change from 0 to 2048
executing program
[  595.000163][T31746] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.014422][T31739] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.024274][T31742] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  595.036580][T31750] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.042160][T31751] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.048405][T31746] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.050343][T31739] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.050890][T31746] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.053529][T31739] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.071475][T31748] loop4: detected capacity change from 0 to 2048
[  595.073811][T31746] Remounting filesystem read-only
[  595.075612][T31746] NILFS (loop3): error -5 truncating bmap (ino=16)
[  595.077326][T31739] Remounting filesystem read-only
[  595.077342][T31739] NILFS (loop1): error -5 truncating bmap (ino=16)
[  595.079460][T31746] NILFS (loop3): mounting fs with errors
[  595.084593][T31752] loop0: detected capacity change from 0 to 2048
[  595.087516][T31739] NILFS (loop1): mounting fs with errors
[  595.094315][T31753] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.107594][T31742] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.110261][T31742] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.113236][T31742] Remounting filesystem read-only
[  595.114548][T31742] NILFS (loop2): error -5 truncating bmap (ino=16)
[  595.116573][T31742] NILFS (loop2): mounting fs with errors
[  595.124467][T31748] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.134245][T31754] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.137706][T31748] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.141161][T31748] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.143683][T31752] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.152594][T31748] Remounting filesystem read-only
[  595.153850][T31748] NILFS (loop4): error -5 truncating bmap (ino=16)
[  595.170545][T31748] NILFS (loop4): mounting fs with errors
executing program
executing program
[  595.192762][T31758] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.195175][T31752] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.197816][T31756] loop3: detected capacity change from 0 to 2048
[  595.204775][T31752] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.208158][T31756] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  595.244552][T31762] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.248879][T31752] Remounting filesystem read-only
[  595.250139][T31752] NILFS (loop0): error -5 truncating bmap (ino=16)
executing program
[  595.259453][T31756] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.261877][T31756] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.269468][T31752] NILFS (loop0): mounting fs with errors
[  595.280367][T31756] Remounting filesystem read-only
[  595.290327][T31756] NILFS (loop3): error -5 truncating bmap (ino=16)
[  595.290962][T31765] loop2: detected capacity change from 0 to 2048
[  595.296651][T31759] loop1: detected capacity change from 0 to 2048
[  595.301900][T31756] NILFS (loop3): mounting fs with errors
[  595.309164][T31765] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.319985][T31763] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  595.344437][T31769] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.350763][T31765] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.353298][T31765] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.361207][T31765] Remounting filesystem read-only
[  595.362474][T31765] NILFS (loop2): error -5 truncating bmap (ino=16)
[  595.364414][T31765] NILFS (loop2): mounting fs with errors
[  595.390126][T31763] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.392486][T31759] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.393850][T31770] loop3: detected capacity change from 0 to 2048
[  595.410229][T31768] loop0: detected capacity change from 0 to 2048
[  595.414391][T31771] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.419895][T31763] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.422559][T31772] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.425397][T31763] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.430298][T31759] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.430795][T31763] Remounting filesystem read-only
[  595.432721][T31759] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.433944][T31763] NILFS (loop4): error -5 truncating bmap (ino=16)
[  595.439989][T31763] NILFS (loop4): mounting fs with errors
[  595.441738][T31770] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.447422][T31759] Remounting filesystem read-only
[  595.449633][T31759] NILFS (loop1): error -5 truncating bmap (ino=16)
[  595.467298][T31759] NILFS (loop1): mounting fs with errors
[  595.469041][T31768] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  595.497334][T31775] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.501696][T31776] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.504700][T31768] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.506833][T31770] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.510411][T31770] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.513181][T31770] Remounting filesystem read-only
[  595.514478][T31770] NILFS (loop3): error -5 truncating bmap (ino=16)
[  595.516144][T31768] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.516680][T31768] Remounting filesystem read-only
[  595.522582][T31768] NILFS (loop0): error -5 truncating bmap (ino=16)
[  595.524574][T31768] NILFS (loop0): mounting fs with errors
[  595.539093][T31774] loop2: detected capacity change from 0 to 2048
[  595.547603][T31770] NILFS (loop3): mounting fs with errors
executing program
executing program
[  595.565818][T31779] loop4: detected capacity change from 0 to 2048
[  595.573495][T31774] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.596952][T31781] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.599520][T31774] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.602612][T31774] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.605463][T31774] Remounting filesystem read-only
[  595.606763][T31774] NILFS (loop2): error -5 truncating bmap (ino=16)
[  595.609328][T31774] NILFS (loop2): mounting fs with errors
[  595.615646][T31780] loop1: detected capacity change from 0 to 2048
executing program
[  595.653587][T31779] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.665285][T31780] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.665366][T31783] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  595.683331][T31787] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.688566][T31786] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.693597][T31780] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.694229][T31779] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.696175][T31780] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.703783][T31780] Remounting filesystem read-only
[  595.705137][T31780] NILFS (loop1): error -5 truncating bmap (ino=16)
[  595.715312][T31788] loop0: detected capacity change from 0 to 2048
[  595.717682][T31779] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.720683][T31779] Remounting filesystem read-only
[  595.721912][T31779] NILFS (loop4): error -5 truncating bmap (ino=16)
[  595.723934][T31779] NILFS (loop4): mounting fs with errors
[  595.724146][T31780] NILFS (loop1): mounting fs with errors
[  595.732710][T31783] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.748125][T31789] loop2: detected capacity change from 0 to 2048
[  595.751020][T31790] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.755654][T31789] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.759100][T31783] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.761814][T31783] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.770595][T31783] Remounting filesystem read-only
[  595.773422][T31788] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.786003][T31783] NILFS (loop3): error -5 truncating bmap (ino=16)
[  595.791732][T31783] NILFS (loop3): mounting fs with errors
[  595.795915][T31793] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.796123][T31792] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.801747][T31788] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  595.806819][T31789] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.810176][T31788] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.812764][T31789] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.815234][T31788] Remounting filesystem read-only
[  595.818281][T31788] NILFS (loop0): error -5 truncating bmap (ino=16)
[  595.820671][T31788] NILFS (loop0): mounting fs with errors
[  595.823006][T31789] Remounting filesystem read-only
[  595.824299][T31789] NILFS (loop2): error -5 truncating bmap (ino=16)
[  595.828497][T31789] NILFS (loop2): mounting fs with errors
executing program
executing program
[  595.845915][T31794] loop4: detected capacity change from 0 to 2048
[  595.857467][T31794] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.862400][T31798] loop1: detected capacity change from 0 to 2048
executing program
[  595.898967][T31801] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.902001][T31794] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.904522][T31794] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.907568][T31794] Remounting filesystem read-only
[  595.908898][T31794] NILFS (loop4): error -5 truncating bmap (ino=16)
[  595.911020][T31794] NILFS (loop4): mounting fs with errors
[  595.916771][T31796] loop3: detected capacity change from 0 to 2048
[  595.920221][T31800] loop2: detected capacity change from 0 to 2048
[  595.937494][T31798] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.950968][T31796] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  595.964104][T31803] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.966514][T31796] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.966622][T31805] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.969979][T31796] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.976002][T31800] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.003631][T31798] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.006123][T31798] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  596.020264][T31796] Remounting filesystem read-only
[  596.021580][T31796] NILFS (loop3): error -5 truncating bmap (ino=16)
[  596.023632][T31807] NILFS (loop3): mounting fs with errors
[  596.025476][T31808] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.031990][T31800] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.034557][T31800] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.039491][T31800] Remounting filesystem read-only
[  596.045644][T31800] NILFS (loop2): error -5 truncating bmap (ino=16)
[  596.048234][T31798] Remounting filesystem read-only
[  596.049497][T31800] NILFS (loop2): mounting fs with errors
[  596.058424][T31798] NILFS (loop1): error -5 truncating bmap (ino=16)
[  596.060295][T31810] NILFS (loop1): mounting fs with errors
[  596.064382][T31804] loop0: detected capacity change from 0 to 2048
executing program
[  596.094205][T31809] loop4: detected capacity change from 0 to 2048
executing program
[  596.106365][T31804] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.112444][T31809] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  596.157836][T31817] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.166714][T31814] loop1: detected capacity change from 0 to 2048
[  596.167604][T31804] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.175181][T31804] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.178051][T31818] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.186287][T31804] Remounting filesystem read-only
[  596.188430][T31804] NILFS (loop0): error -5 truncating bmap (ino=16)
[  596.190586][T31804] NILFS (loop0): mounting fs with errors
[  596.192288][T31809] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.199621][T31816] loop3: detected capacity change from 0 to 2048
[  596.201320][T31809] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.206577][T31812] loop2: detected capacity change from 0 to 2048
[  596.209434][T31814] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.218475][T31809] Remounting filesystem read-only
[  596.219949][T31809] NILFS (loop4): error -5 truncating bmap (ino=16)
[  596.224012][T31809] NILFS (loop4): mounting fs with errors
[  596.236062][T31819] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.237557][T31814] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.245812][T31814] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.259970][T31814] Remounting filesystem read-only
[  596.261241][T31814] NILFS (loop1): error -5 truncating bmap (ino=16)
[  596.263079][T31816] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  596.271772][T31814] NILFS (loop1): mounting fs with errors
[  596.280808][T31812] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  596.310104][T31823] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.322553][T31824] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.325631][T31816] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.333120][T31812] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.335817][T31812] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  596.337138][T31816] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.347439][T31812] Remounting filesystem read-only
[  596.353425][T31812] NILFS (loop2): error -5 truncating bmap (ino=16)
[  596.362887][T31821] loop4: detected capacity change from 0 to 2048
[  596.369466][T31816] Remounting filesystem read-only
[  596.370667][T31816] NILFS (loop3): error -5 truncating bmap (ino=16)
[  596.375190][T31812] NILFS (loop2): mounting fs with errors
[  596.383115][T31816] NILFS (loop3): mounting fs with errors
[  596.389016][T31826] loop0: detected capacity change from 0 to 2048
[  596.399928][T31827] loop1: detected capacity change from 0 to 2048
[  596.415748][T31826] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.417410][T31821] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.428706][T31828] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.432393][T31829] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.432442][T31821] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.442010][T31826] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.444841][T31826] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.447943][T31821] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.450598][T31826] Remounting filesystem read-only
[  596.452206][T31827] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.462237][T31826] NILFS (loop0): error -5 truncating bmap (ino=16)
[  596.464322][T31826] NILFS (loop0): mounting fs with errors
[  596.474596][T31821] Remounting filesystem read-only
[  596.476276][T31821] NILFS (loop4): error -5 truncating bmap (ino=16)
[  596.476296][T31832] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.483939][T31827] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.495379][T31827] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  596.496291][T31821] NILFS (loop4): mounting fs with errors
[  596.507311][T31827] Remounting filesystem read-only
[  596.508680][T31827] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  596.513982][T31827] NILFS (loop1): mounting fs with errors
executing program
[  596.554255][T31834] loop2: detected capacity change from 0 to 2048
[  596.566164][T31836] loop3: detected capacity change from 0 to 2048
executing program
executing program
[  596.594162][T31837] loop0: detected capacity change from 0 to 2048
[  596.606100][T31836] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.615816][T31841] loop4: detected capacity change from 0 to 2048
[  596.616941][T31834] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.618228][T31839] loop1: detected capacity change from 0 to 2048
[  596.626491][T31841] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.640525][T31839] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.644293][T31842] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.650719][T31836] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.653305][T31836] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.655791][T31843] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.657333][T31844] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.660960][T31837] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.675091][T31834] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.677835][T31845] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.682344][T31834] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.685380][T31841] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.689375][T31837] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.691879][T31837] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.695426][T31841] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.696223][T31836] Remounting filesystem read-only
[  596.706096][T31841] Remounting filesystem read-only
[  596.708967][T31834] Remounting filesystem read-only
[  596.710227][T31834] NILFS (loop2): error -5 truncating bmap (ino=16)
[  596.712194][T31837] Remounting filesystem read-only
[  596.712320][T31841] NILFS (loop4): error -5 truncating bmap (ino=16)
[  596.713418][T31837] NILFS (loop0): error -5 truncating bmap (ino=16)
[  596.716689][T31847] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.718426][T31836] NILFS (loop3): error -5 truncating bmap (ino=16)
[  596.725056][T31834] NILFS (loop2): mounting fs with errors
[  596.729705][T31846] NILFS (loop3): mounting fs with errors
[  596.733718][T31837] NILFS (loop0): mounting fs with errors
[  596.735596][T31839] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.736028][T31841] NILFS (loop4): mounting fs with errors
[  596.738956][T31839] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.748170][T31839] Remounting filesystem read-only
[  596.749450][T31839] NILFS (loop1): error -5 truncating bmap (ino=16)
[  596.751376][T31839] NILFS (loop1): mounting fs with errors
executing program
executing program
executing program
executing program
executing program
[  596.859528][T31849] loop4: detected capacity change from 0 to 2048
[  596.870214][T31855] loop1: detected capacity change from 0 to 2048
[  596.876815][T31851] loop3: detected capacity change from 0 to 2048
[  596.885039][T31856] loop0: detected capacity change from 0 to 2048
[  596.891869][T31857] loop2: detected capacity change from 0 to 2048
[  596.908891][T31849] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.919632][T31855] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.926465][T31856] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.937347][T31851] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.946811][T31858] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.949626][T31855] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.952287][T31859] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.954750][T31855] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.962098][T31860] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.967661][T31857] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.968442][T31849] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.970964][T31856] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.973477][T31849] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.975256][T31856] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.978335][T31855] Remounting filesystem read-only
[  596.983783][T31855] NILFS (loop1): error -5 truncating bmap (ino=16)
[  596.986431][T31856] Remounting filesystem read-only
[  596.988298][T31856] NILFS (loop0): error -5 truncating bmap (ino=16)
[  596.990162][T31861] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.993766][T31856] NILFS (loop0): mounting fs with errors
[  596.996091][T31857] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.996651][T31855] NILFS (loop1): mounting fs with errors
[  597.001334][T31857] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.007867][T31849] Remounting filesystem read-only
[  597.009197][T31849] NILFS (loop4): error -5 truncating bmap (ino=16)
[  597.016961][T31857] Remounting filesystem read-only
[  597.019096][T31849] NILFS (loop4): mounting fs with errors
[  597.020642][T31862] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.023656][T31857] NILFS (loop2): error -5 truncating bmap (ino=16)
[  597.025928][T31857] NILFS (loop2): mounting fs with errors
[  597.042189][T31851] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.057699][T31851] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.062477][T31851] Remounting filesystem read-only
[  597.063676][T31851] NILFS (loop3): error -5 truncating bmap (ino=16)
executing program
[  597.077259][T31851] NILFS (loop3): mounting fs with errors
executing program
executing program
executing program
[  597.125611][T31864] loop2: detected capacity change from 0 to 2048
executing program
[  597.154386][T31866] loop1: detected capacity change from 0 to 2048
[  597.159615][T31868] loop4: detected capacity change from 0 to 2048
[  597.176353][T31872] loop0: detected capacity change from 0 to 2048
[  597.178023][T31864] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.195361][T31866] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.209037][T31868] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.209703][T31873] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  597.227671][T31876] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.228616][T31864] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.233008][T31864] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.239710][T31866] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.241233][T31864] Remounting filesystem read-only
[  597.242171][T31866] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.243420][T31864] NILFS (loop2): error -5 truncating bmap (ino=16)
[  597.246371][T31875] loop3: detected capacity change from 0 to 2048
[  597.249547][T31866] Remounting filesystem read-only
[  597.250784][T31866] NILFS (loop1): error -5 truncating bmap (ino=16)
[  597.252781][T31866] NILFS (loop1): mounting fs with errors
[  597.258597][T31872] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.264840][T31864] NILFS (loop2): mounting fs with errors
[  597.265040][T31877] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.278622][T31868] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.287236][T31868] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.290076][T31868] Remounting filesystem read-only
[  597.291525][T31868] NILFS (loop4): error -5 truncating bmap (ino=16)
[  597.291545][T31878] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.298395][T31872] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.300259][T31875] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.301089][T31872] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.315906][T31868] NILFS (loop4): mounting fs with errors
[  597.326338][T31872] Remounting filesystem read-only
[  597.328001][T31872] NILFS (loop0): error -5 truncating bmap (ino=16)
executing program
[  597.332176][T31872] NILFS (loop0): mounting fs with errors
[  597.357466][T31881] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.359979][T31875] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.362600][T31875] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
[  597.383870][T31883] loop1: detected capacity change from 0 to 2048
[  597.386097][T31880] loop2: detected capacity change from 0 to 2048
[  597.388436][T31875] Remounting filesystem read-only
[  597.390218][T31875] NILFS (loop3): error -5 truncating bmap (ino=16)
[  597.393054][T31875] NILFS (loop3): mounting fs with errors
executing program
[  597.410210][T31883] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.413319][T31880] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.421893][T31885] loop4: detected capacity change from 0 to 2048
[  597.423680][T31886] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.437154][T31888] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  597.438150][T31883] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.443353][T31883] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.446273][T31883] Remounting filesystem read-only
[  597.447835][T31883] NILFS (loop1): error -5 truncating bmap (ino=16)
[  597.449640][T31880] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.450008][T31883] NILFS (loop1): mounting fs with errors
[  597.452137][T31880] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.456138][T31880] Remounting filesystem read-only
[  597.463208][T31889] loop0: detected capacity change from 0 to 2048
[  597.467748][T31880] NILFS (loop2): error -5 truncating bmap (ino=16)
[  597.469894][T31880] NILFS (loop2): mounting fs with errors
executing program
[  597.488018][T31891] loop3: detected capacity change from 0 to 2048
[  597.491456][T31885] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.503335][T31892] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.509234][T31889] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.516517][T31891] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  597.532988][T31895] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.538043][T31891] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
executing program
[  597.553908][T31894] loop2: detected capacity change from 0 to 2048
[  597.554851][T31891] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.568122][T31898] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.570610][T31885] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.573105][T31885] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.577981][T31889] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.580771][T31885] Remounting filesystem read-only
[  597.580821][T31889] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.582038][T31885] NILFS (loop4): error -5 truncating bmap (ino=16)
[  597.585605][T31897] NILFS (loop4): mounting fs with errors
[  597.588887][T31891] Remounting filesystem read-only
[  597.590161][T31891] NILFS (loop3): error -5 truncating bmap (ino=16)
[  597.593022][T31900] NILFS (loop3): mounting fs with errors
[  597.597247][T31889] Remounting filesystem read-only
[  597.598971][T31889] NILFS (loop0): error -5 truncating bmap (ino=16)
[  597.599027][T31894] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.602599][T31889] NILFS (loop0): mounting fs with errors
[  597.637956][T31899] loop1: detected capacity change from 0 to 2048
executing program
[  597.655635][T31902] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  597.674296][T31894] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.679801][T31899] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.684983][T31894] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.693975][T31894] Remounting filesystem read-only
[  597.695392][T31894] NILFS (loop2): error -5 truncating bmap (ino=16)
executing program
[  597.704179][T31894] NILFS (loop2): mounting fs with errors
[  597.715001][T31904] loop3: detected capacity change from 0 to 2048
[  597.726308][T31908] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.736508][T31907] loop4: detected capacity change from 0 to 2048
[  597.741167][T31899] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.743724][T31899] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.745016][T31905] loop0: detected capacity change from 0 to 2048
executing program
[  597.754586][T31904] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.772318][T31899] Remounting filesystem read-only
[  597.773496][T31899] NILFS (loop1): error -5 truncating bmap (ino=16)
[  597.775168][T31911] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.779918][T31907] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.788093][T31904] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.790862][T31904] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.802582][T31899] NILFS (loop1): mounting fs with errors
[  597.803080][T31905] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.804779][T31910] loop2: detected capacity change from 0 to 2048
[  597.817272][T31912] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.821974][T31904] Remounting filesystem read-only
[  597.823230][T31904] NILFS (loop3): error -5 truncating bmap (ino=16)
[  597.825679][T31907] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.829267][T31904] NILFS (loop3): mounting fs with errors
[  597.830871][T31907] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.838996][T31907] Remounting filesystem read-only
[  597.840318][T31907] NILFS (loop4): error -5 truncating bmap (ino=16)
[  597.842123][T31913] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.845106][T31905] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.845169][T31907] NILFS (loop4): mounting fs with errors
[  597.851673][T31905] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.863723][T31910] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  597.883336][T31914] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.889970][T31910] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.892636][T31910] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.902885][T31905] Remounting filesystem read-only
[  597.907905][T31905] NILFS (loop0): error -5 truncating bmap (ino=16)
[  597.923742][T31910] Remounting filesystem read-only
[  597.925008][T31910] NILFS (loop2): error -5 truncating bmap (ino=16)
[  597.928513][T31905] NILFS (loop0): mounting fs with errors
[  597.948536][T31910] NILFS (loop2): mounting fs with errors
executing program
[  597.965815][T31916] loop1: detected capacity change from 0 to 2048
executing program
[  597.989153][T31920] loop4: detected capacity change from 0 to 2048
executing program
[  598.000931][T31920] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.011375][T31922] loop3: detected capacity change from 0 to 2048
[  598.016626][T31916] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  598.039619][T31922] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.044303][T31924] loop2: detected capacity change from 0 to 2048
[  598.067463][T31927] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.067557][T31928] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.076071][T31920] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.081059][T31926] loop0: detected capacity change from 0 to 2048
[  598.090728][T31916] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.093278][T31916] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.094273][T31920] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.100119][T31929] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.100923][T31926] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.107451][T31924] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.114706][T31922] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.118858][T31916] Remounting filesystem read-only
[  598.120273][T31916] NILFS (loop1): error -5 truncating bmap (ino=16)
[  598.122425][T31922] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.123994][T31930] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.133911][T31924] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.136680][T31924] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.148101][T31920] Remounting filesystem read-only
[  598.148230][T31922] Remounting filesystem read-only
[  598.149393][T31920] NILFS (loop4): error -5 truncating bmap (ino=16)
[  598.150747][T31922] NILFS (loop3): error -5 truncating bmap (ino=16)
[  598.158666][T31916] NILFS (loop1): mounting fs with errors
[  598.161110][T31931] NILFS (loop4): mounting fs with errors
[  598.165116][T31924] Remounting filesystem read-only
[  598.166382][T31924] NILFS (loop2): error -5 truncating bmap (ino=16)
[  598.168837][T31924] NILFS (loop2): mounting fs with errors
[  598.173739][T31922] NILFS (loop3): mounting fs with errors
[  598.191805][T31933] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.203588][T31926] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.206375][T31926] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
executing program
[  598.213016][T31926] Remounting filesystem read-only
[  598.214420][T31926] NILFS (loop0): error -5 truncating bmap (ino=16)
[  598.216897][T31926] NILFS (loop0): mounting fs with errors
executing program
[  598.251301][T31937] loop4: detected capacity change from 0 to 2048
[  598.259404][T31936] loop1: detected capacity change from 0 to 2048
[  598.266643][T31937] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.282805][T31939] loop3: detected capacity change from 0 to 2048
executing program
[  598.299366][T31942] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.299414][T31941] loop2: detected capacity change from 0 to 2048
[  598.304643][T31937] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.310865][T31937] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.313811][T31939] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.318993][T31937] Remounting filesystem read-only
[  598.320257][T31937] NILFS (loop4): error -5 truncating bmap (ino=16)
[  598.322445][T31937] NILFS (loop4): mounting fs with errors
executing program
[  598.326193][T31944] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.328757][T31939] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.331587][T31939] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.334504][T31939] Remounting filesystem read-only
[  598.335945][T31939] NILFS (loop3): error -5 truncating bmap (ino=16)
[  598.338652][T31939] NILFS (loop3): mounting fs with errors
[  598.348305][T31941] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.348589][T31936] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.366767][T31945] loop0: detected capacity change from 0 to 2048
[  598.376983][T31947] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  598.384176][T31936] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.386649][T31936] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.398208][T31936] Remounting filesystem read-only
[  598.399460][T31936] NILFS (loop1): error -5 truncating bmap (ino=16)
[  598.402631][T31936] NILFS (loop1): mounting fs with errors
[  598.407576][T31949] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.413242][T31941] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.415626][T31941] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.419619][T31945] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.437436][T31948] loop4: detected capacity change from 0 to 2048
[  598.439267][T31941] Remounting filesystem read-only
executing program
[  598.440801][T31941] NILFS (loop2): error -5 truncating bmap (ino=16)
[  598.448054][T31941] NILFS (loop2): mounting fs with errors
[  598.448227][T31951] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.465007][T31945] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.473152][T31945] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.486094][T31948] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.496093][T31945] Remounting filesystem read-only
[  598.498360][T31945] NILFS (loop0): error -5 truncating bmap (ino=16)
[  598.501338][T31945] NILFS (loop0): mounting fs with errors
executing program
[  598.504927][T31952] loop3: detected capacity change from 0 to 2048
[  598.516663][T31955] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.534841][T31948] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.543553][T31954] loop1: detected capacity change from 0 to 2048
executing program
[  598.546726][T31952] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  598.554687][T31948] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.571551][T31959] loop2: detected capacity change from 0 to 2048
[  598.574818][T31948] Remounting filesystem read-only
[  598.576320][T31948] NILFS (loop4): error -5 truncating bmap (ino=16)
[  598.578664][T31960] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.582669][T31958] loop0: detected capacity change from 0 to 2048
[  598.585366][T31948] NILFS (loop4): mounting fs with errors
[  598.585973][T31952] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.589588][T31952] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.592509][T31952] Remounting filesystem read-only
[  598.593701][T31952] NILFS (loop3): error -5 truncating bmap (ino=16)
[  598.595884][T31952] NILFS (loop3): mounting fs with errors
[  598.611889][T31954] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.620194][T31958] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.622345][T31959] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.642144][T31959] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.644654][T31959] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.648101][T31961] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.651178][T31959] Remounting filesystem read-only
executing program
[  598.652545][T31959] NILFS (loop2): error -5 truncating bmap (ino=16)
[  598.652951][T31962] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.656190][T31959] NILFS (loop2): mounting fs with errors
[  598.662442][T31958] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.664893][T31958] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.678615][T31958] Remounting filesystem read-only
[  598.679853][T31958] NILFS (loop0): error -5 truncating bmap (ino=16)
[  598.681584][T31965] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.705417][T31954] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.713692][T31954] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.716258][T31958] NILFS (loop0): mounting fs with errors
executing program
[  598.720149][T31964] loop4: detected capacity change from 0 to 2048
[  598.725260][T31954] Remounting filesystem read-only
[  598.726511][T31954] NILFS (loop1): error -5 truncating bmap (ino=16)
executing program
[  598.735524][T31954] NILFS (loop1): mounting fs with errors
[  598.760314][T31964] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.770314][T31969] loop3: detected capacity change from 0 to 2048
executing program
[  598.784663][T31968] loop2: detected capacity change from 0 to 2048
[  598.792511][T31964] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.794980][T31964] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.797949][T31972] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.803343][T31964] Remounting filesystem read-only
[  598.804578][T31964] NILFS (loop4): error -5 truncating bmap (ino=16)
executing program
[  598.813101][T31968] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.816355][T31964] NILFS (loop4): mounting fs with errors
[  598.823587][T31975] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.828349][T31971] loop0: detected capacity change from 0 to 2048
[  598.834230][T31974] loop1: detected capacity change from 0 to 2048
[  598.837804][T31968] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.840211][T31968] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.843155][T31968] Remounting filesystem read-only
[  598.844394][T31968] NILFS (loop2): error -5 truncating bmap (ino=16)
[  598.846097][T31969] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.846451][T31968] NILFS (loop2): mounting fs with errors
executing program
[  598.866835][T31977] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.881774][T31971] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.885260][T31974] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.897959][T31969] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.900435][T31969] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.910801][T31969] Remounting filesystem read-only
[  598.912104][T31969] NILFS (loop3): error -5 truncating bmap (ino=16)
[  598.916225][T31969] NILFS (loop3): mounting fs with errors
[  598.921225][T31979] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.924583][T31978] loop4: detected capacity change from 0 to 2048
[  598.935133][T31974] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.940624][T31974] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.940678][T31980] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.946171][T31974] Remounting filesystem read-only
[  598.948374][T31974] NILFS (loop1): error -5 truncating bmap (ino=16)
[  598.951166][T31974] NILFS (loop1): mounting fs with errors
[  598.951491][T31971] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.955432][T31971] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.963429][T31971] Remounting filesystem read-only
[  598.964635][T31971] NILFS (loop0): error -5 truncating bmap (ino=16)
[  598.967730][T31971] NILFS (loop0): mounting fs with errors
executing program
[  598.995624][T31978] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.998703][T31982] loop2: detected capacity change from 0 to 2048
executing program
[  599.007952][T31984] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.012979][T31978] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.015447][T31978] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.039080][T31982] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.045606][T31978] Remounting filesystem read-only
[  599.046890][T31978] NILFS (loop4): error -5 truncating bmap (ino=16)
executing program
executing program
[  599.051891][T31978] NILFS (loop4): mounting fs with errors
[  599.063167][T31985] loop3: detected capacity change from 0 to 2048
[  599.070525][T31990] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.085600][T31982] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.088399][T31982] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.093417][T31988] loop0: detected capacity change from 0 to 2048
[  599.095776][T31982] Remounting filesystem read-only
[  599.096278][T31989] loop1: detected capacity change from 0 to 2048
[  599.098711][T31982] NILFS (loop2): error -5 truncating bmap (ino=16)
[  599.103765][T31982] NILFS (loop2): mounting fs with errors
executing program
[  599.126625][T31992] loop4: detected capacity change from 0 to 2048
[  599.140210][T31988] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.154846][T31985] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.157256][T31989] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.176598][T31993] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  599.195898][T31988] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.196125][T31992] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.201490][T31996] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.204747][T31995] loop2: detected capacity change from 0 to 2048
[  599.206602][T31988] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.206609][T31997] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.215807][T31989] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.228013][T31985] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.230575][T31985] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.232125][T31989] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.242259][T31989] Remounting filesystem read-only
[  599.243437][T31989] NILFS (loop1): error -5 truncating bmap (ino=16)
[  599.245152][T31988] Remounting filesystem read-only
[  599.246284][T31988] NILFS (loop0): error -5 truncating bmap (ino=16)
[  599.257867][T31995] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.262240][T31998] NILFS (loop0): mounting fs with errors
[  599.265077][T31985] Remounting filesystem read-only
[  599.268976][T31989] NILFS (loop1): mounting fs with errors
[  599.276542][T31985] NILFS (loop3): error -5 truncating bmap (ino=16)
[  599.277893][T32001] NILFS (loop3): mounting fs with errors
[  599.280355][T32000] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.284904][T31992] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.301247][T31992] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.304303][T31992] Remounting filesystem read-only
[  599.305821][T31992] NILFS (loop4): error -5 truncating bmap (ino=16)
executing program
[  599.318408][T32002] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.320864][T31995] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.323497][T31995] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.337328][T31995] Remounting filesystem read-only
[  599.338588][T31995] NILFS (loop2): error -5 truncating bmap (ino=16)
[  599.340428][T31995] NILFS (loop2): mounting fs with errors
[  599.344099][T31992] NILFS (loop4): mounting fs with errors
executing program
executing program
[  599.422357][T32008] loop3: detected capacity change from 0 to 2048
executing program
executing program
executing program
[  599.444981][T32009] loop1: detected capacity change from 0 to 2048
[  599.463810][T32013] loop2: detected capacity change from 0 to 2048
[  599.473558][T32014] loop0: detected capacity change from 0 to 2048
[  599.483863][T32008] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.487329][T32009] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.494614][T32015] loop4: detected capacity change from 0 to 2048
[  599.507369][T32017] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.507583][T32009] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.512553][T32009] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.512682][T32008] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.515205][T32016] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.520619][T32008] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.529651][T32013] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.530041][T32008] Remounting filesystem read-only
[  599.533821][T32015] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.547144][T32014] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.550842][T32009] Remounting filesystem read-only
[  599.552831][T32009] NILFS (loop1): error -5 truncating bmap (ino=16)
[  599.557491][T32008] NILFS (loop3): error -5 truncating bmap (ino=16)
[  599.559704][T32009] NILFS (loop1): mounting fs with errors
[  599.560726][T32008] NILFS (loop3): mounting fs with errors
[  599.567622][T32018] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.571090][T32019] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.575776][T32013] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.584034][T32015] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.584561][T32013] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.588408][T32015] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.594308][T32015] Remounting filesystem read-only
[  599.599852][T32015] NILFS (loop4): error -5 truncating bmap (ino=16)
[  599.602272][T32015] NILFS (loop4): mounting fs with errors
[  599.624326][T32013] Remounting filesystem read-only
[  599.625642][T32020] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  599.629989][T32013] NILFS (loop2): error -5 truncating bmap (ino=16)
executing program
[  599.634473][T32013] NILFS (loop2): mounting fs with errors
[  599.636513][T32014] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.640079][T32014] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.646193][T32014] Remounting filesystem read-only
[  599.652413][T32014] NILFS (loop0): error -5 truncating bmap (ino=16)
[  599.654447][T32014] NILFS (loop0): mounting fs with errors
executing program
[  599.683088][T32025] loop4: detected capacity change from 0 to 2048
[  599.696032][T32025] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.710117][T32023] loop1: detected capacity change from 0 to 2048
executing program
[  599.724798][T32027] loop3: detected capacity change from 0 to 2048
[  599.726922][T32030] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  599.744865][T32029] loop2: detected capacity change from 0 to 2048
[  599.752966][T32023] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.762072][T32025] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.764632][T32025] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.773473][T32032] loop0: detected capacity change from 0 to 2048
[  599.774511][T32025] Remounting filesystem read-only
[  599.776239][T32025] NILFS (loop4): error -5 truncating bmap (ino=16)
[  599.778718][T32025] NILFS (loop4): mounting fs with errors
[  599.780303][T32033] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.785374][T32029] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.792431][T32023] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.796353][T32027] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.799395][T32023] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.803334][T32023] Remounting filesystem read-only
[  599.804569][T32023] NILFS (loop1): error -5 truncating bmap (ino=16)
[  599.813758][T32032] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.818391][T32023] NILFS (loop1): mounting fs with errors
[  599.825090][T32035] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.828868][T32034] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.839664][T32027] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.842320][T32027] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.847376][T32029] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.852408][T32029] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.854711][T32036] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.856762][T32029] Remounting filesystem read-only
[  599.859388][T32027] Remounting filesystem read-only
[  599.861140][T32029] NILFS (loop2): error -5 truncating bmap (ino=16)
[  599.863433][T32032] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.879995][T32027] NILFS (loop3): error -5 truncating bmap (ino=16)
[  599.887918][T32029] NILFS (loop2): mounting fs with errors
[  599.890137][T32032] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
executing program
[  599.905359][T32027] NILFS (loop3): mounting fs with errors
[  599.909704][T32032] Remounting filesystem read-only
[  599.910975][T32032] NILFS (loop0): error -5 truncating bmap (ino=16)
[  599.916266][T32032] NILFS (loop0): mounting fs with errors
[  599.938113][T32039] loop1: detected capacity change from 0 to 2048
[  599.939526][T32041] loop4: detected capacity change from 0 to 2048
executing program
executing program
[  599.970176][T32039] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.973111][T32041] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.995808][T32043] loop3: detected capacity change from 0 to 2048
[  600.001342][T32046] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.018626][T32041] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.021142][T32041] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.026977][T32041] Remounting filesystem read-only
executing program
[  600.027276][T32047] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.030854][T32041] NILFS (loop4): error -5 truncating bmap (ino=16)
[  600.033679][T32041] NILFS (loop4): mounting fs with errors
[  600.033690][T32039] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.041493][T32039] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.046565][T32045] loop2: detected capacity change from 0 to 2048
[  600.048581][T32039] Remounting filesystem read-only
[  600.050020][T32039] NILFS (loop1): error -5 truncating bmap (ino=16)
[  600.052587][T32039] NILFS (loop1): mounting fs with errors
[  600.054528][T32049] loop0: detected capacity change from 0 to 2048
[  600.092082][T32045] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.098617][T32049] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  600.105870][T32053] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.117127][T32043] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.117414][T32051] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[  600.134237][T32049] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.136862][T32049] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.139283][T32055] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.139980][T32045] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.145123][T32052] loop4: detected capacity change from 0 to 2048
[  600.148154][T32043] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.150653][T32043] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.153450][T32043] Remounting filesystem read-only
[  600.154860][T32043] NILFS (loop3): error -5 truncating bmap (ino=16)
[  600.156921][T32043] NILFS (loop3): mounting fs with errors
[  600.157388][T32049] Remounting filesystem read-only
[  600.158659][T32045] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.160736][T32049] NILFS (loop0): error -5 truncating bmap (ino=16)
[  600.164298][T32049] NILFS (loop0): mounting fs with errors
[  600.165172][T32045] Remounting filesystem read-only
[  600.167463][T32045] NILFS (loop2): error -5 truncating bmap (ino=16)
[  600.173396][T32045] NILFS (loop2): mounting fs with errors
[  600.199819][T32052] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
executing program
[  600.228026][T32060] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.231480][T32056] loop1: detected capacity change from 0 to 2048
[  600.251833][T32056] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.255011][T32059] loop0: detected capacity change from 0 to 2048
[  600.266995][T32061] loop2: detected capacity change from 0 to 2048
[  600.268801][T32063] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.273718][T32056] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.276303][T32056] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.276940][T32052] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.279184][T32056] Remounting filesystem read-only
[  600.281950][T32052] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.282301][T32056] NILFS (loop1): error -5 truncating bmap (ino=16)
[  600.286229][T32056] NILFS (loop1): mounting fs with errors
[  600.287978][T32052] Remounting filesystem read-only
[  600.289344][T32052] NILFS (loop4): error -5 truncating bmap (ino=16)
[  600.289743][T32059] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  600.301682][T32064] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.305117][T32052] NILFS (loop4): mounting fs with errors
[  600.310904][T32061] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
[  600.328305][T32059] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.330996][T32059] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.333854][T32059] Remounting filesystem read-only
[  600.337799][T32059] NILFS (loop0): error -5 truncating bmap (ino=16)
[  600.341161][T32059] NILFS (loop0): mounting fs with errors
[  600.346522][T32068] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.362643][T32061] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.368137][T32061] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
executing program
executing program
[  600.377266][T32061] Remounting filesystem read-only
[  600.378450][T32061] NILFS (loop2): error -5 truncating bmap (ino=16)
[  600.383549][T32061] NILFS (loop2): mounting fs with errors
[  600.385775][T32065] loop3: detected capacity change from 0 to 2048
[  600.408025][T32072] loop0: detected capacity change from 0 to 2048
[  600.415855][T32071] loop4: detected capacity change from 0 to 2048
[  600.422838][T32065] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
executing program
executing program
[  600.448109][T32075] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.451491][T32072] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.455987][T32065] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.458962][T32065] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.462259][T32065] Remounting filesystem read-only
[  600.467618][T32071] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.471542][T32065] NILFS (loop3): error -5 truncating bmap (ino=16)
[  600.473521][T32065] NILFS (loop3): mounting fs with errors
[  600.505659][T32076] loop1: detected capacity change from 0 to 2048