1][T19977] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.315084][T19987] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  575.330190][T19984] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.340843][T19981] Remounting filesystem read-only
[  575.349762][T19986] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.360639][T19981] NILFS (loop2): error -5 truncating bmap (ino=16)
[  575.368519][T19977] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  575.378273][T19989] NILFS (loop2): mounting fs with errors
[  575.395078][T19984] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.405546][T19993] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  575.410631][T19986] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.427973][T19994] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  575.440011][T19977] Remounting filesystem read-only
[  575.451881][T19992] loop4: detected capacity change from 0 to 2048
[  575.458637][T19977] NILFS (loop0): error -5 truncating bmap (ino=16)
[  575.469178][T19986] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  575.479043][T19984] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  575.488822][T19991] NILFS (loop0): mounting fs with errors
[  575.495154][T19986] Remounting filesystem read-only
[  575.500806][T19986] NILFS (loop1): error -5 truncating bmap (ino=16)
[  575.508978][T19996] NILFS (loop1): mounting fs with errors
[  575.517191][T19984] Remounting filesystem read-only
[  575.519225][T19992] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.524669][T19998] loop2: detected capacity change from 0 to 2048
[  575.542310][T19984] NILFS (loop3): error -5 truncating bmap (ino=16)
[  575.551580][T19995] NILFS (loop3): mounting fs with errors
[  575.570755][T19999] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  575.577524][T19992] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.597183][T19992] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  575.638490][T19992] Remounting filesystem read-only
[  575.644155][T20001] loop0: detected capacity change from 0 to 2048
[  575.651115][T19998] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.661513][T19992] NILFS (loop4): error -5 truncating bmap (ino=16)
[  575.680620][T20002] NILFS (loop4): mounting fs with errors
[  575.695422][T20001] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.703487][T20004] loop1: detected capacity change from 0 to 2048
[  575.717964][T20005] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  575.731268][T19998] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.748107][T19998] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  575.758799][T20004] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.791881][T19998] Remounting filesystem read-only
[  575.797475][T19998] NILFS (loop2): error -5 truncating bmap (ino=16)
[  575.806172][T20008] NILFS (loop2): mounting fs with errors
[  575.812325][T20001] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.823621][T20010] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  575.835321][T20011] loop4: detected capacity change from 0 to 2048
[  575.836636][T20007] loop3: detected capacity change from 0 to 2048
[  575.846639][T20004] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.856507][T20001] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  575.860480][T20012] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  575.882120][T20004] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  575.894383][T20004] Remounting filesystem read-only
[  575.895840][T20001] Remounting filesystem read-only
[  575.900354][T20004] NILFS (loop1): error -5 truncating bmap (ino=16)
[  575.917314][T20007] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.927618][T20011] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  575.928432][T20001] NILFS (loop0): error -5 truncating bmap (ino=16)
[  575.944784][T20004] NILFS (loop1): mounting fs with errors
[  575.960054][T20013] NILFS (loop0): mounting fs with errors
[  575.964370][T20007] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  575.979832][T20015] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.013027][T20016] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.019603][T20011] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.024381][T20007] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.051441][T20011] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.054751][T20007] Remounting filesystem read-only
[  576.064424][T20018] loop2: detected capacity change from 0 to 2048
[  576.066700][T20007] NILFS (loop3): error -5 truncating bmap (ino=16)
[  576.081415][T20011] Remounting filesystem read-only
[  576.086803][T20011] NILFS (loop4): error -5 truncating bmap (ino=16)
[  576.087953][T20019] NILFS (loop3): mounting fs with errors
[  576.124537][T20020] NILFS (loop4): mounting fs with errors
[  576.137055][T20018] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.163708][T20023] loop1: detected capacity change from 0 to 2048
[  576.200064][T20024] loop0: detected capacity change from 0 to 2048
[  576.211115][T20023] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.224894][T20026] loop3: detected capacity change from 0 to 2048
[  576.240751][T20029] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.246574][T20023] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.268392][T20028] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.284108][T20024] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.284101][T20026] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.287702][T20023] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.297193][T20018] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.316286][T20030] loop4: detected capacity change from 0 to 2048
[  576.334498][T20018] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.335104][T20023] Remounting filesystem read-only
[  576.349493][T20018] Remounting filesystem read-only
[  576.358302][T20033] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.371128][T20018] NILFS (loop2): error -5 truncating bmap (ino=16)
[  576.372520][T20026] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.378653][T20023] NILFS (loop1): error -5 truncating bmap (ino=16)
[  576.399829][T20030] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.411251][T20032] NILFS (loop2): mounting fs with errors
[  576.414579][T20024] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.424948][T20026] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.430333][T20034] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.466531][T20026] Remounting filesystem read-only
[  576.473864][T20024] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.474010][T20031] NILFS (loop1): mounting fs with errors
[  576.484275][T20024] Remounting filesystem read-only
[  576.495781][T20024] NILFS (loop0): error -5 truncating bmap (ino=16)
[  576.502589][T20036] NILFS (loop0): mounting fs with errors
[  576.509976][T20026] NILFS (loop3): error -5 truncating bmap (ino=16)
[  576.520256][T20037] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.531387][T20035] NILFS (loop3): mounting fs with errors
[  576.532281][T20030] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.564824][T20030] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.579027][T20030] Remounting filesystem read-only
[  576.586290][T20030] NILFS (loop4): error -5 truncating bmap (ino=16)
[  576.599711][T20039] loop2: detected capacity change from 0 to 2048
[  576.654895][T14835] NILFS (loop4): disposed unprocessed dirty file(s) when detaching log writer
[  576.678269][T20039] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.696507][T20045] loop0: detected capacity change from 0 to 2048
[  576.706280][T20043] loop3: detected capacity change from 0 to 2048
[  576.737027][T20049] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.742644][T20046] loop1: detected capacity change from 0 to 2048
[  576.767216][T20043] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.773841][T20045] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.778229][T20039] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.803233][T20045] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.814384][T20050] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.825792][T20045] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.836082][T20052] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.839847][T20043] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  576.849817][T20039] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.864659][T20048] loop4: detected capacity change from 0 to 2048
[  576.871150][T20046] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.885129][T20045] Remounting filesystem read-only
[  576.890652][T20045] NILFS (loop0): error -5 truncating bmap (ino=16)
[  576.894076][T20043] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  576.908634][T20053] NILFS (loop0): mounting fs with errors
[  576.912093][T20039] Remounting filesystem read-only
[  576.922621][T20055] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  576.935509][T20043] Remounting filesystem read-only
[  576.936999][T20039] NILFS (loop2): error -5 truncating bmap (ino=16)
[  576.948258][T20043] NILFS (loop3): error -5 truncating bmap (ino=16)
[  576.950187][T20051] NILFS (loop2): mounting fs with errors
[  576.961361][T20054] NILFS (loop3): mounting fs with errors
[  576.972082][T20048] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  576.985234][T20046] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.009198][T20046] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  577.021568][T20046] Remounting filesystem read-only
[  577.028387][T20046] NILFS (loop1): error -5 truncating bmap (ino=16)
[  577.037196][T20056] NILFS (loop1): mounting fs with errors
[  577.054333][T20057] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  577.056734][T20048] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.082044][T20048] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  577.096415][T20048] Remounting filesystem read-only
[  577.120627][T20048] NILFS (loop4): error -5 truncating bmap (ino=16)
[  577.120767][T20062] NILFS (loop4): mounting fs with errors
[  577.185617][T20064] loop2: detected capacity change from 0 to 2048
[  577.199731][T20060] loop0: detected capacity change from 0 to 2048
[  577.210134][T20061] loop3: detected capacity change from 0 to 2048
[  577.232876][T20064] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.264649][T20066] loop1: detected capacity change from 0 to 2048
[  577.271403][T20068] loop4: detected capacity change from 0 to 2048
[  577.279406][T20060] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.299444][T20061] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.314097][T20068] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.321658][T20069] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  577.341539][T20060] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.352774][T20066] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.364217][T20070] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  577.371478][T20064] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.381982][T20071] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  577.390217][T20060] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  577.410337][T20068] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.423140][T20074] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  577.431830][T20068] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  577.437959][T20066] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.447345][T20075] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  577.454811][T20064] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  577.485187][T20068] Remounting filesystem read-only
[  577.489481][T20060] Remounting filesystem read-only
[  577.490707][T20068] NILFS (loop4): error -5 truncating bmap (ino=16)
[  577.503117][T20076] NILFS (loop4): mounting fs with errors
[  577.504275][T20060] NILFS (loop0): error -5 truncating bmap (ino=16)
[  577.518113][T20061] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.518366][T20066] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  577.536266][T20061] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  577.539299][T20064] Remounting filesystem read-only
[  577.552686][T20064] NILFS (loop2): error -5 truncating bmap (ino=16)
[  577.560700][T20072] NILFS (loop0): mounting fs with errors
[  577.567629][T20073] NILFS (loop2): mounting fs with errors
[  577.582323][T20066] Remounting filesystem read-only
[  577.583887][T20061] Remounting filesystem read-only
[  577.587990][T20066] NILFS (loop1): error -5 truncating bmap (ino=16)
[  577.599013][T20061] NILFS (loop3): error -5 truncating bmap (ino=16)
[  577.616532][T20077] NILFS (loop1): mounting fs with errors
[  577.699118][T20078] NILFS (loop3): mounting fs with errors
[  577.757845][T20081] loop0: detected capacity change from 0 to 2048
[  577.780604][T20083] loop4: detected capacity change from 0 to 2048
[  577.808831][T20084] loop1: detected capacity change from 0 to 2048
[  577.850043][T20081] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.862606][T20083] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.885546][T20087] loop2: detected capacity change from 0 to 2048
[  577.887137][T20084] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.920413][T20088] loop3: detected capacity change from 0 to 2048
[  577.963605][T20090] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  577.977242][T20081] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  577.988566][T20087] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  577.990719][T20089] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.009859][T20083] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.028415][T20088] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  578.039100][T20091] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.044700][T20084] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.059600][T20083] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.068569][T20081] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.089280][T20081] Remounting filesystem read-only
[  578.116257][T20084] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.121699][T20097] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.128321][T20095] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.152922][T20087] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.162842][T20081] NILFS (loop0): error -5 truncating bmap (ino=16)
[  578.172627][T20088] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.186670][T20083] Remounting filesystem read-only
[  578.214180][T20083] NILFS (loop4): error -5 truncating bmap (ino=16)
[  578.214969][T20084] Remounting filesystem read-only
[  578.227721][T20087] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.229582][T20088] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.247228][T20092] NILFS (loop0): mounting fs with errors
[  578.261544][T20094] NILFS (loop4): mounting fs with errors
[  578.312940][T20087] Remounting filesystem read-only
[  578.327477][T20084] NILFS (loop1): error -5 truncating bmap (ino=16)
[  578.336356][T20088] Remounting filesystem read-only
[  578.347043][T20088] NILFS (loop3): error -5 truncating bmap (ino=16)
[  578.360222][T20087] NILFS (loop2): error -5 truncating bmap (ino=16)
[  578.390413][T20096] NILFS (loop1): mounting fs with errors
[  578.399785][T20099] NILFS (loop2): mounting fs with errors
[  578.435106][T20100] NILFS (loop3): mounting fs with errors
[  578.465080][T20104] loop0: detected capacity change from 0 to 2048
[  578.519261][T20105] loop4: detected capacity change from 0 to 2048
[  578.546714][T20104] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  578.604710][T20107] loop1: detected capacity change from 0 to 2048
[  578.610886][T20105] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  578.674847][T20107] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  578.691074][T20111] loop3: detected capacity change from 0 to 2048
[  578.696431][T20112] loop2: detected capacity change from 0 to 2048
[  578.705685][T20114] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.713292][T20104] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.751165][T20116] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.765877][T20105] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.779905][T20104] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.797753][T20112] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  578.811253][T20104] Remounting filesystem read-only
[  578.815579][T20111] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  578.820570][T20104] NILFS (loop0): error -5 truncating bmap (ino=16)
[  578.834116][T20118] NILFS (loop0): mounting fs with errors
[  578.878983][T20112] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.881071][T20105] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.893811][T20121] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.912790][T20120] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.924934][T20107] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.965344][T20107] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.980262][T20124] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  578.995484][T20111] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  578.995496][T20112] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  578.995531][T20111] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  579.059933][T20107] Remounting filesystem read-only
[  579.068769][T20105] Remounting filesystem read-only
[  579.083363][T20107] NILFS (loop1): error -5 truncating bmap (ino=16)
[  579.095391][T20112] Remounting filesystem read-only
[  579.097739][T20105] NILFS (loop4): error -5 truncating bmap (ino=16)
[  579.113764][T20112] NILFS (loop2): error -5 truncating bmap (ino=16)
[  579.126466][T20127] NILFS (loop1): mounting fs with errors
[  579.157855][T20122] NILFS (loop2): mounting fs with errors
[  579.161543][T20111] Remounting filesystem read-only
[  579.170440][T14835] NILFS (loop4): disposed unprocessed dirty file(s) when detaching log writer
[  579.181171][T20126] loop0: detected capacity change from 0 to 2048
[  579.205534][T20111] NILFS (loop3): error -5 truncating bmap (ino=16)
[  579.235882][T20128] NILFS (loop3): mounting fs with errors
[  579.264982][T20126] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  579.375162][T20133] loop1: detected capacity change from 0 to 2048
[  579.381840][T20142] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  579.395568][T20134] loop2: detected capacity change from 0 to 2048
[  579.398654][T20126] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  579.398702][T20126] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  579.399303][T20126] Remounting filesystem read-only
[  579.399317][T20126] NILFS (loop0): error -5 truncating bmap (ino=16)
[  579.407812][T20126] NILFS (loop0): mounting fs with errors
[  579.414040][T20134] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  579.425188][T20136] loop4: detected capacity change from 0 to 2048
[  579.451201][T20140] loop3: detected capacity change from 0 to 2048
[  579.463765][T20133] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  579.469444][T20143] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  579.487176][T20134] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  579.538877][T20136] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  579.581998][T20140] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  579.602056][T20134] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  579.615562][T20134] Remounting filesystem read-only
[  579.617687][T20147] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  579.624551][T20134] NILFS (loop2): error -5 truncating bmap (ino=16)
[  579.639588][T20133] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  579.664222][T20148] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  579.667857][T20140] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  579.697888][T20133] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  579.707343][T20151] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  579.722093][T20136] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  579.731293][T20146] loop0: detected capacity change from 0 to 2048
[  579.740172][T20144] NILFS (loop2): mounting fs with errors
[  579.741019][T20136] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  579.757688][T20140] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  579.779723][T20133] Remounting filesystem read-only
[  579.799798][T20133] NILFS (loop1): error -5 truncating bmap (ino=16)
[  579.824677][T20140] Remounting filesystem read-only
[  579.838654][T20150] NILFS (loop1): mounting fs with errors
[  579.844463][T20136] Remounting filesystem read-only
[  579.844480][T20136] NILFS (loop4): error -5 truncating bmap (ino=16)
[  579.849774][T20140] NILFS (loop3): error -5 truncating bmap (ino=16)
[  579.857503][T20154] NILFS (loop4): mounting fs with errors
[  579.883397][T20146] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  579.901832][T20153] NILFS (loop3): mounting fs with errors
[  579.931053][T20156] loop2: detected capacity change from 0 to 2048
[  579.991809][T20160] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.012371][T20146] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  580.039772][T20156] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  580.120610][T20162] loop4: detected capacity change from 0 to 2048
[  580.123519][T20167] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.150913][T20156] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  580.163441][T20146] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  580.182742][T20159] loop3: detected capacity change from 0 to 2048
[  580.190407][T20165] loop1: detected capacity change from 0 to 2048
[  580.210682][T20146] Remounting filesystem read-only
[  580.220587][T20156] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  580.240705][T20159] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  580.253444][T20146] NILFS (loop0): error -5 truncating bmap (ino=16)
[  580.269294][T20164] NILFS (loop0): mounting fs with errors
[  580.282802][T20169] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.295334][T20156] Remounting filesystem read-only
[  580.297500][T20159] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  580.309806][T20156] NILFS (loop2): error -5 truncating bmap (ino=16)
[  580.315865][T20162] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  580.329152][T20168] NILFS (loop2): mounting fs with errors
[  580.338251][T20165] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  580.372721][T20159] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  580.415052][T20159] Remounting filesystem read-only
[  580.460978][T20175] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.472218][T20165] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  580.486144][T20159] NILFS (loop3): error -5 truncating bmap (ino=16)
[  580.498666][T20162] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  580.513278][T20176] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.530619][T20171] NILFS (loop3): mounting fs with errors
[  580.567712][T20165] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  580.578302][T20162] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  580.596937][T20173] loop2: detected capacity change from 0 to 2048
[  580.607558][T20177] loop0: detected capacity change from 0 to 2048
[  580.636283][T20173] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  580.636447][T20165] Remounting filesystem read-only
[  580.665930][T20162] Remounting filesystem read-only
[  580.686510][T20162] NILFS (loop4): error -5 truncating bmap (ino=16)
[  580.703214][T20177] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  580.710028][T20165] NILFS (loop1): error -5 truncating bmap (ino=16)
[  580.731288][T20179] NILFS (loop4): mounting fs with errors
[  580.744062][T20181] loop3: detected capacity change from 0 to 2048
[  580.759686][T20178] NILFS (loop1): mounting fs with errors
[  580.799080][T20184] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.830626][T20173] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  580.841150][T20177] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  580.859385][T20181] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  580.873163][T20187] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.880721][T20173] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  580.900307][T20177] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  580.931048][T20185] loop4: detected capacity change from 0 to 2048
[  580.957777][T20173] Remounting filesystem read-only
[  580.969059][T20192] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  580.986639][T20181] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  581.003318][T20177] Remounting filesystem read-only
[  581.008303][T20189] loop1: detected capacity change from 0 to 2048
[  581.016710][T20173] NILFS (loop2): error -5 truncating bmap (ino=16)
[  581.024296][T20185] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  581.028544][T20177] NILFS (loop0): error -5 truncating bmap (ino=16)
[  581.043790][T20188] NILFS (loop2): mounting fs with errors
[  581.045680][T20181] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  581.080985][T20181] Remounting filesystem read-only
[  581.088731][T20190] NILFS (loop0): mounting fs with errors
[  581.099466][T20195] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  581.111112][T20181] NILFS (loop3): error -5 truncating bmap (ino=16)
[  581.164531][T20189] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  581.175282][T20185] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  581.186095][T20193] NILFS (loop3): mounting fs with errors
[  581.218490][T20185] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  581.287576][T20204] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  581.291707][T20185] Remounting filesystem read-only
[  581.316760][T20189] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  581.323133][T20199] loop2: detected capacity change from 0 to 2048
[  581.375804][T20202] loop0: detected capacity change from 0 to 2048
[  581.377264][T20185] NILFS (loop4): error -5 truncating bmap (ino=16)
[  581.392302][T20189] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  581.408430][T20199] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  581.427482][T20205] loop3: detected capacity change from 0 to 2048
[  581.439226][T20200] NILFS (loop4): mounting fs with errors
[  581.454988][T20189] Remounting filesystem read-only
[  581.467408][T20189] NILFS (loop1): error -5 truncating bmap (ino=16)
[  581.473383][T20205] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  581.486584][T20202] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  581.524694][T20207] NILFS (loop1): mounting fs with errors
[  581.532046][T20209] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  581.554163][T20199] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  581.591650][T20210] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  581.609748][T20213] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  581.621328][T20205] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  581.638318][T20199] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  581.640097][T20202] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  581.654169][T20205] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  581.669199][T20199] Remounting filesystem read-only
[  581.676206][T20199] NILFS (loop2): error -5 truncating bmap (ino=16)
[  581.697414][T20214] NILFS (loop2): mounting fs with errors
[  581.711645][T20205] Remounting filesystem read-only
[  581.736892][T20202] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  581.759705][T20205] NILFS (loop3): error -5 truncating bmap (ino=16)
[  581.783114][T20202] Remounting filesystem read-only
[  581.784227][T20212] loop4: detected capacity change from 0 to 2048
[  581.807879][T20217] NILFS (loop3): mounting fs with errors
[  581.832089][T20202] NILFS (loop0): error -5 truncating bmap (ino=16)
[  581.862429][T20216] NILFS (loop0): mounting fs with errors
[  581.872664][T20220] loop1: detected capacity change from 0 to 2048
[  581.893132][T20212] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  581.896438][T20222] loop2: detected capacity change from 0 to 2048
[  581.947458][T20225] loop3: detected capacity change from 0 to 2048
[  581.967882][T20226] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  581.979954][T20220] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  581.996502][T20222] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  582.007019][T20225] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  582.023874][T20212] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.046895][T20230] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.066887][T20220] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.086533][T20228] loop0: detected capacity change from 0 to 2048
[  582.098441][T20212] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.108371][T20220] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.122874][T20233] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.144367][T20235] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.148190][T20212] Remounting filesystem read-only
[  582.162121][T20220] Remounting filesystem read-only
[  582.162764][T20225] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.169861][T20220] NILFS (loop1): error -5 truncating bmap (ino=16)
[  582.178668][T20222] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.212326][T20234] NILFS (loop1): mounting fs with errors
[  582.218807][T20228] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  582.265097][T20212] NILFS (loop4): error -5 truncating bmap (ino=16)
[  582.282970][T20222] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.295779][T20239] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.300656][T20225] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.318440][T20231] NILFS (loop4): mounting fs with errors
[  582.328364][T20228] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.371413][T20222] Remounting filesystem read-only
[  582.380318][T20228] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.413393][T20222] NILFS (loop2): error -5 truncating bmap (ino=16)
[  582.426247][T20238] NILFS (loop2): mounting fs with errors
[  582.430435][T20225] Remounting filesystem read-only
[  582.450820][T20228] Remounting filesystem read-only
[  582.467704][T20225] NILFS (loop3): error -5 truncating bmap (ino=16)
[  582.467862][T20241] loop1: detected capacity change from 0 to 2048
[  582.496104][T20228] NILFS (loop0): error -5 truncating bmap (ino=16)
[  582.545110][T20243] NILFS (loop0): mounting fs with errors
[  582.545275][T20245] loop4: detected capacity change from 0 to 2048
[  582.560432][T14833] NILFS (loop3): disposed unprocessed dirty file(s) when detaching log writer
[  582.593013][T20241] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  582.617970][T20247] loop2: detected capacity change from 0 to 2048
[  582.641139][T20250] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.682246][T20241] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.694885][T20247] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  582.710029][T20245] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  582.711068][T20241] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.756982][T20256] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.768022][T20247] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.781304][T20253] loop3: detected capacity change from 0 to 2048
[  582.788201][T20247] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.798539][T20241] Remounting filesystem read-only
[  582.804995][T20241] NILFS (loop1): error -5 truncating bmap (ino=16)
[  582.813170][T20247] Remounting filesystem read-only
[  582.819738][T20254] NILFS (loop1): mounting fs with errors
[  582.826266][T20258] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.842473][T20253] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  582.852717][T20247] NILFS (loop2): error -5 truncating bmap (ino=16)
[  582.853728][T20245] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.888134][T20257] NILFS (loop2): mounting fs with errors
[  582.903214][T20259] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  582.918713][T20253] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  582.935165][T20255] loop0: detected capacity change from 0 to 2048
[  582.945412][T20253] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.958802][T20245] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  582.962353][T20253] Remounting filesystem read-only
[  583.008626][T20253] NILFS (loop3): error -5 truncating bmap (ino=16)
[  583.020237][T20261] NILFS (loop3): mounting fs with errors
[  583.022316][T20245] Remounting filesystem read-only
[  583.033245][T20245] NILFS (loop4): error -5 truncating bmap (ino=16)
[  583.056195][T20255] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.112254][T20263] loop1: detected capacity change from 0 to 2048
[  583.119581][T20260] NILFS (loop4): mounting fs with errors
[  583.148334][T20267] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.166076][T20255] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.186198][T20263] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.257441][T20269] loop3: detected capacity change from 0 to 2048
[  583.274423][T20263] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.282681][T20255] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.287354][T20272] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.309722][T20266] loop2: detected capacity change from 0 to 2048
[  583.328426][T20263] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.343229][T20255] Remounting filesystem read-only
[  583.357188][T20263] Remounting filesystem read-only
[  583.380183][T20269] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.380214][T20266] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.391333][T20263] NILFS (loop1): error -5 truncating bmap (ino=16)
[  583.415643][T20255] NILFS (loop0): error -5 truncating bmap (ino=16)
[  583.429327][T20277] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.440664][T20274] loop4: detected capacity change from 0 to 2048
[  583.450980][T20275] NILFS (loop1): mounting fs with errors
[  583.458688][T20270] NILFS (loop0): mounting fs with errors
[  583.470211][T20269] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.527094][T20274] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.527529][T20269] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.588826][T20282] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.592584][T20266] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.611749][T20274] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.622680][T20286] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.658822][T20274] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.697790][T20285] loop1: detected capacity change from 0 to 2048
[  583.709236][T20274] Remounting filesystem read-only
[  583.719874][T20274] NILFS (loop4): error -5 truncating bmap (ino=16)
[  583.729928][T20269] Remounting filesystem read-only
[  583.739203][T20285] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.746186][T20283] loop0: detected capacity change from 0 to 2048
[  583.758135][T20288] NILFS (loop4): mounting fs with errors
[  583.776533][T20266] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.793443][T20269] NILFS (loop3): error -5 truncating bmap (ino=16)
[  583.799995][T20278] NILFS (loop3): mounting fs with errors
[  583.862195][T20283] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  583.873473][T20266] Remounting filesystem read-only
[  583.877001][T20293] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  583.888564][T20266] NILFS (loop2): error -5 truncating bmap (ino=16)
[  583.898160][T20287] NILFS (loop2): mounting fs with errors
[  583.898763][T20285] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  583.989531][T20294] loop3: detected capacity change from 0 to 2048
[  583.996935][T20285] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  583.999605][T20295] loop4: detected capacity change from 0 to 2048
[  584.017957][T20299] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.030763][T20283] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.065889][T20294] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.093079][T20295] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.113112][T20283] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.133107][T20285] Remounting filesystem read-only
[  584.140256][T20304] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.170454][T20285] NILFS (loop1): error -5 truncating bmap (ino=16)
[  584.179304][T20294] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.202703][T20297] NILFS (loop1): mounting fs with errors
[  584.213110][T20307] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.213185][T20283] Remounting filesystem read-only
[  584.234168][T20294] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.245762][T20303] loop2: detected capacity change from 0 to 2048
[  584.252993][T20295] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.265300][T20283] NILFS (loop0): error -5 truncating bmap (ino=16)
[  584.282807][T20302] NILFS (loop0): mounting fs with errors
[  584.283405][T20294] Remounting filesystem read-only
[  584.294504][T20294] NILFS (loop3): error -5 truncating bmap (ino=16)
[  584.301525][T20306] NILFS (loop3): mounting fs with errors
[  584.323063][T20295] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.325384][T20303] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.391476][T20295] Remounting filesystem read-only
[  584.431082][T20312] loop1: detected capacity change from 0 to 2048
[  584.451143][T20314] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.457825][T20303] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.480512][T20295] NILFS (loop4): error -5 truncating bmap (ino=16)
[  584.497833][T20312] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.518099][T20303] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.527947][T20311] NILFS (loop4): mounting fs with errors
[  584.530677][T20315] loop0: detected capacity change from 0 to 2048
[  584.548666][T20303] Remounting filesystem read-only
[  584.580231][T20320] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.591047][T20303] NILFS (loop2): error -5 truncating bmap (ino=16)
[  584.606203][T20315] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.617043][T20312] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.621871][T20318] loop3: detected capacity change from 0 to 2048
[  584.628806][T20312] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.651459][T20317] NILFS (loop2): mounting fs with errors
[  584.701812][T20323] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.729880][T20315] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.741542][T20318] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.791254][T20312] Remounting filesystem read-only
[  584.817667][T20315] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  584.834847][T20312] NILFS (loop1): error -5 truncating bmap (ino=16)
[  584.849607][T20329] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  584.853791][T20318] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  584.866828][T20326] loop4: detected capacity change from 0 to 2048
[  584.881318][T20321] NILFS (loop1): mounting fs with errors
[  584.883524][T20327] loop2: detected capacity change from 0 to 2048
[  584.890729][T20315] Remounting filesystem read-only
[  584.901245][T20315] NILFS (loop0): error -5 truncating bmap (ino=16)
[  584.935019][T20327] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.941058][T20326] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  584.956671][T20328] NILFS (loop0): mounting fs with errors
[  584.956717][T20318] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.016724][T20318] Remounting filesystem read-only
[  585.023351][T20318] NILFS (loop3): error -5 truncating bmap (ino=16)
[  585.055841][T20334] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.069639][T20326] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.080451][T20330] NILFS (loop3): mounting fs with errors
[  585.114391][T20326] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.126557][T20338] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.164755][T20337] loop0: detected capacity change from 0 to 2048
[  585.175862][T20335] loop1: detected capacity change from 0 to 2048
[  585.184100][T20327] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.203956][T20326] Remounting filesystem read-only
[  585.213862][T20337] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.231186][T20326] NILFS (loop4): error -5 truncating bmap (ino=16)
[  585.243085][T20335] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.253019][T20327] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.266798][T20341] loop3: detected capacity change from 0 to 2048
[  585.295367][T20339] NILFS (loop4): mounting fs with errors
[  585.329646][T20327] Remounting filesystem read-only
[  585.336475][T20341] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.369748][T20345] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.373076][T20327] NILFS (loop2): error -5 truncating bmap (ino=16)
[  585.390409][T20337] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.420920][T20347] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.451382][T20343] NILFS (loop2): mounting fs with errors
[  585.467168][T20337] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.478052][T20349] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.489328][T20335] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.506827][T20341] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.518631][T20346] loop4: detected capacity change from 0 to 2048
[  585.557495][T20337] Remounting filesystem read-only
[  585.569047][T20335] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.583197][T20341] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.597793][T20337] NILFS (loop0): error -5 truncating bmap (ino=16)
[  585.601904][T20346] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.618147][T20348] NILFS (loop0): mounting fs with errors
[  585.625051][T20335] Remounting filesystem read-only
[  585.632729][T20341] Remounting filesystem read-only
[  585.648251][T20335] NILFS (loop1): error -5 truncating bmap (ino=16)
[  585.657704][T20354] loop2: detected capacity change from 0 to 2048
[  585.664626][T20341] NILFS (loop3): error -5 truncating bmap (ino=16)
[  585.679780][T20350] NILFS (loop1): mounting fs with errors
[  585.685609][T20353] NILFS (loop3): mounting fs with errors
[  585.708106][T20355] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.711015][T20354] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.734710][T20346] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.749993][T20346] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.830773][T20346] Remounting filesystem read-only
[  585.859936][T20364] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  585.863367][T20346] NILFS (loop4): error -5 truncating bmap (ino=16)
[  585.880576][T20354] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  585.890964][T20360] loop1: detected capacity change from 0 to 2048
[  585.909726][T20362] loop0: detected capacity change from 0 to 2048
[  585.919226][T20354] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  585.934165][T20363] loop3: detected capacity change from 0 to 2048
[  585.951597][T20360] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.961652][T20359] NILFS (loop4): mounting fs with errors
[  585.971089][T20363] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.971883][T20362] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  585.991193][T20354] Remounting filesystem read-only
[  586.016377][T20354] NILFS (loop2): error -5 truncating bmap (ino=16)
[  586.029669][T20367] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.055727][T20360] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.077733][T20366] NILFS (loop2): mounting fs with errors
[  586.087296][T20369] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.092129][T20363] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.122657][T20372] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.138835][T20362] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.155904][T20360] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.186814][T20362] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.220339][T20360] Remounting filesystem read-only
[  586.241953][T20360] NILFS (loop1): error -5 truncating bmap (ino=16)
[  586.248127][T20370] loop4: detected capacity change from 0 to 2048
[  586.252014][T20362] Remounting filesystem read-only
[  586.263657][T20363] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.267357][T20362] NILFS (loop0): error -5 truncating bmap (ino=16)
[  586.289663][T20371] NILFS (loop1): mounting fs with errors
[  586.306753][T20376] loop2: detected capacity change from 0 to 2048
[  586.337840][T20363] Remounting filesystem read-only
[  586.343297][T20378] NILFS (loop0): mounting fs with errors
[  586.369788][T20370] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.379568][T20381] loop1: detected capacity change from 0 to 2048
[  586.382814][T20363] NILFS (loop3): error -5 truncating bmap (ino=16)
[  586.399953][T20376] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.407826][T20381] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.415931][T20375] NILFS (loop3): mounting fs with errors
[  586.489453][T20383] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.506005][T20384] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.532005][T20376] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.546565][T20370] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.568462][T20388] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.583224][T20381] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.605784][T20376] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.616672][T20370] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.632189][T20381] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.651112][T20376] Remounting filesystem read-only
[  586.666973][T20370] Remounting filesystem read-only
[  586.693703][T20381] Remounting filesystem read-only
[  586.700303][T20376] NILFS (loop2): error -5 truncating bmap (ino=16)
[  586.701326][T20389] loop0: detected capacity change from 0 to 2048
[  586.713071][T20370] NILFS (loop4): error -5 truncating bmap (ino=16)
[  586.730950][T20381] NILFS (loop1): error -5 truncating bmap (ino=16)
[  586.733347][T20390] loop3: detected capacity change from 0 to 2048
[  586.747390][T20391] NILFS (loop2): mounting fs with errors
[  586.753739][T20392] NILFS (loop4): mounting fs with errors
[  586.759635][T20395] NILFS (loop1): mounting fs with errors
[  586.805402][T20390] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.848485][T20389] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  586.879390][T20401] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  586.910757][T20390] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  586.966668][T20390] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  586.994162][T20389] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.005048][T20407] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.030755][T20400] loop2: detected capacity change from 0 to 2048
[  587.040828][T20389] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.056063][T20402] loop1: detected capacity change from 0 to 2048
[  587.061268][T20404] loop4: detected capacity change from 0 to 2048
[  587.070335][T20390] Remounting filesystem read-only
[  587.077495][T20390] NILFS (loop3): error -5 truncating bmap (ino=16)
[  587.088366][T20389] Remounting filesystem read-only
[  587.107177][T20404] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.112862][T20402] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.119428][T20389] NILFS (loop0): error -5 truncating bmap (ino=16)
[  587.137901][T20406] NILFS (loop3): mounting fs with errors
[  587.158204][T20400] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.186042][T20408] NILFS (loop0): mounting fs with errors
[  587.248736][T20411] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.260217][T20413] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.290440][T20404] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.301269][T20414] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.313198][T20400] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.320358][T20402] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.327330][T20400] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.348567][T20404] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.364179][T20400] Remounting filesystem read-only
[  587.374624][T20400] NILFS (loop2): error -5 truncating bmap (ino=16)
[  587.384045][T20412] loop3: detected capacity change from 0 to 2048
[  587.395594][T20418] NILFS (loop2): mounting fs with errors
[  587.404359][T20404] Remounting filesystem read-only
[  587.410181][T20404] NILFS (loop4): error -5 truncating bmap (ino=16)
[  587.438938][T20417] NILFS (loop4): mounting fs with errors
[  587.447759][T20402] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.449144][T20412] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.522559][T20402] Remounting filesystem read-only
[  587.532240][T20402] NILFS (loop1): error -5 truncating bmap (ino=16)
[  587.533869][T20421] loop0: detected capacity change from 0 to 2048
[  587.556243][T20424] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.557402][T20412] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.566533][T20423] loop2: detected capacity change from 0 to 2048
[  587.586129][T20416] NILFS (loop1): mounting fs with errors
[  587.590307][T20412] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.603087][T20421] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.616752][T20412] Remounting filesystem read-only
[  587.632832][T20412] NILFS (loop3): error -5 truncating bmap (ino=16)
[  587.659491][T20423] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.672872][T20429] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.704118][T20421] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.719730][T20425] NILFS (loop3): mounting fs with errors
[  587.757286][T20421] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.769402][T20433] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  587.782918][T20428] loop4: detected capacity change from 0 to 2048
[  587.791331][T20423] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  587.805398][T20421] Remounting filesystem read-only
[  587.842301][T20423] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  587.857490][T20421] NILFS (loop0): error -5 truncating bmap (ino=16)
[  587.867067][T20431] loop1: detected capacity change from 0 to 2048
[  587.879118][T20428] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.884133][T20432] NILFS (loop0): mounting fs with errors
[  587.897500][T20423] Remounting filesystem read-only
[  587.921403][T20423] NILFS (loop2): error -5 truncating bmap (ino=16)
[  587.937958][T20431] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  587.947702][T20435] NILFS (loop2): mounting fs with errors
[  587.957289][T20113] udevd[20113]: incorrect nilfs2 checksum on /dev/loop2
[  587.964603][T20438] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.015498][T20428] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.045229][T20437] loop3: detected capacity change from 0 to 2048
[  588.099544][T20446] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.103238][T20431] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.112855][T20428] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.135902][T20442] loop2: detected capacity change from 0 to 2048
[  588.141094][T20437] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.163728][T20442] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.193713][T20445] loop0: detected capacity change from 0 to 2048
[  588.209601][T20428] Remounting filesystem read-only
[  588.238009][T20428] NILFS (loop4): error -5 truncating bmap (ino=16)
[  588.245690][T20431] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.265681][T20449] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.283330][T20442] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.298858][T20441] NILFS (loop4): mounting fs with errors
[  588.301385][T20445] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.305050][T20450] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.328378][T20437] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.346619][T20431] Remounting filesystem read-only
[  588.357545][T20442] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.387321][T20431] NILFS (loop1): error -5 truncating bmap (ino=16)
[  588.409937][T20442] Remounting filesystem read-only
[  588.413048][T20437] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.425725][T14830] NILFS (loop1): disposed unprocessed dirty file(s) when detaching log writer
[  588.448179][T20442] NILFS (loop2): error -5 truncating bmap (ino=16)
[  588.483474][T20456] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.487172][T20445] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.510986][T20437] Remounting filesystem read-only
[  588.518149][T20451] NILFS (loop2): mounting fs with errors
[  588.544322][T20455] loop4: detected capacity change from 0 to 2048
[  588.557935][T20437] NILFS (loop3): error -5 truncating bmap (ino=16)
[  588.586937][T20453] NILFS (loop3): mounting fs with errors
[  588.629168][T20455] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.631709][T20445] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.677217][T20445] Remounting filesystem read-only
[  588.708616][T20461] loop2: detected capacity change from 0 to 2048
[  588.710111][T20445] NILFS (loop0): error -5 truncating bmap (ino=16)
[  588.738183][T20466] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.751303][T20455] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.768334][T20465] loop3: detected capacity change from 0 to 2048
[  588.774400][T20462] loop1: detected capacity change from 0 to 2048
[  588.777873][T20455] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  588.781235][T20457] NILFS (loop0): mounting fs with errors
[  588.811680][T20461] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.825264][T20462] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.832486][T20455] Remounting filesystem read-only
[  588.845364][T20465] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  588.856365][T20455] NILFS (loop4): error -5 truncating bmap (ino=16)
[  588.880760][T20468] NILFS (loop4): mounting fs with errors
[  588.899455][T20472] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.923769][T20471] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.945775][T20461] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.947462][T20462] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  588.964068][T20473] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  588.984695][T20465] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.001852][T20461] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.012668][T20465] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.056690][T20461] Remounting filesystem read-only
[  589.062281][T20461] NILFS (loop2): error -5 truncating bmap (ino=16)
[  589.069811][T20462] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.085326][T20465] Remounting filesystem read-only
[  589.095013][T20465] NILFS (loop3): error -5 truncating bmap (ino=16)
[  589.105369][T20474] NILFS (loop2): mounting fs with errors
[  589.111141][T20479] NILFS (loop3): mounting fs with errors
[  589.118151][T20462] Remounting filesystem read-only
[  589.127284][T20462] NILFS (loop1): error -5 truncating bmap (ino=16)
[  589.137360][T20481] loop4: detected capacity change from 0 to 2048
[  589.145630][T20477] loop0: detected capacity change from 0 to 2048
[  589.151014][T20476] NILFS (loop1): mounting fs with errors
[  589.218316][T20481] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.231647][T20477] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.331496][T20489] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.335568][T20481] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.358273][T20484] loop2: detected capacity change from 0 to 2048
[  589.372789][T20491] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.380564][T20486] loop1: detected capacity change from 0 to 2048
[  589.399176][T20477] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.415808][T20488] loop3: detected capacity change from 0 to 2048
[  589.426898][T20481] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.449546][T20484] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.462779][T20486] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.477901][T20477] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.494885][T20481] Remounting filesystem read-only
[  589.520245][T20481] NILFS (loop4): error -5 truncating bmap (ino=16)
[  589.532161][T20488] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  589.547251][T20477] Remounting filesystem read-only
[  589.561132][T20495] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.573213][T20484] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.585139][T20496] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.590556][T20486] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.617274][T20477] NILFS (loop0): error -5 truncating bmap (ino=16)
[  589.624669][T20492] NILFS (loop4): mounting fs with errors
[  589.637620][T20484] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.666063][T20493] NILFS (loop0): mounting fs with errors
[  589.679224][T20498] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  589.708742][T20488] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  589.734199][T20484] Remounting filesystem read-only
[  589.745485][T20486] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.756539][T20488] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  589.783346][T20484] NILFS (loop2): error -5 truncating bmap (ino=16)
[  589.816718][T20486] Remounting filesystem read-only
[  589.836676][T20488] Remounting filesystem read-only
[  589.845704][T20497] NILFS (loop2): mounting fs with errors
[  589.868663][T20488] NILFS (loop3): error -5 truncating bmap (ino=16)
[  589.875877][T20486] NILFS (loop1): error -5 truncating bmap (ino=16)
[  589.877922][T20499] NILFS (loop1): mounting fs with errors
[  589.892254][T20502] loop4: detected capacity change from 0 to 2048
[  589.924777][T20503] NILFS (loop3): mounting fs with errors
[  589.944688][T20502] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.019677][T20506] loop0: detected capacity change from 0 to 2048
[  590.044978][T20508] loop2: detected capacity change from 0 to 2048
[  590.071384][T20506] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.082829][T20513] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.089175][T20502] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.146631][T20508] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.170431][T20510] loop3: detected capacity change from 0 to 2048
[  590.196069][T20502] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.209818][T20516] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.214447][T20506] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.221530][T20512] loop1: detected capacity change from 0 to 2048
[  590.256829][T20517] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.279560][T20508] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.295978][T20502] Remounting filesystem read-only
[  590.311024][T20508] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.311171][T20502] NILFS (loop4): error -5 truncating bmap (ino=16)
[  590.328742][T20506] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.339918][T20506] Remounting filesystem read-only
[  590.344380][T20510] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.346286][T20506] NILFS (loop0): error -5 truncating bmap (ino=16)
[  590.368017][T20512] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.368273][T20514] NILFS (loop4): mounting fs with errors
[  590.386870][T20518] NILFS (loop0): mounting fs with errors
[  590.423046][T20508] Remounting filesystem read-only
[  590.452239][T20508] NILFS (loop2): error -5 truncating bmap (ino=16)
[  590.479607][T20522] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.480556][T20523] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.499400][T20512] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.515803][T20510] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.527348][T20520] NILFS (loop2): mounting fs with errors
[  590.574091][T20510] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.597985][T20512] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.635140][T20524] loop4: detected capacity change from 0 to 2048
[  590.648586][T20510] Remounting filesystem read-only
[  590.655818][T20512] Remounting filesystem read-only
[  590.661321][T20510] NILFS (loop3): error -5 truncating bmap (ino=16)
[  590.669900][T20512] NILFS (loop1): error -5 truncating bmap (ino=16)
[  590.682380][T20527] NILFS (loop3): mounting fs with errors
[  590.683477][T20526] NILFS (loop1): mounting fs with errors
[  590.693149][T20528] loop0: detected capacity change from 0 to 2048
[  590.723868][T20524] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.741131][T20528] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.787839][T20531] loop2: detected capacity change from 0 to 2048
[  590.834794][T20535] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.849217][T20528] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.870257][T20536] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.882442][T20531] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  590.892553][T20524] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  590.925227][T20534] loop3: detected capacity change from 0 to 2048
[  590.935661][T20528] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.947613][T20524] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  590.951468][T20538] loop1: detected capacity change from 0 to 2048
[  590.966878][T20528] Remounting filesystem read-only
[  590.972403][T20528] NILFS (loop0): error -5 truncating bmap (ino=16)
[  590.972549][T20541] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  590.984126][T20524] Remounting filesystem read-only
[  590.991494][T20539] NILFS (loop0): mounting fs with errors
[  590.995965][T20524] NILFS (loop4): error -5 truncating bmap (ino=16)
[  591.016727][T20531] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.019194][T20534] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.047614][T20538] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.074295][T20531] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.117121][T20540] NILFS (loop4): mounting fs with errors
[  591.124476][T20531] Remounting filesystem read-only
[  591.156711][T20531] NILFS (loop2): error -5 truncating bmap (ino=16)
[  591.172220][T20545] loop0: detected capacity change from 0 to 2048
[  591.183342][T20547] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.188776][T20538] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.201434][T20542] NILFS (loop2): mounting fs with errors
[  591.250062][T20545] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.272187][T20550] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.284912][T20534] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.306663][T20538] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.329670][T20534] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.355712][T20538] Remounting filesystem read-only
[  591.361008][T20554] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.364733][T20545] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.378180][T20551] loop4: detected capacity change from 0 to 2048
[  591.391725][T20534] Remounting filesystem read-only
[  591.399477][T20538] NILFS (loop1): error -5 truncating bmap (ino=16)
[  591.409919][T20534] NILFS (loop3): error -5 truncating bmap (ino=16)
[  591.420804][T20548] NILFS (loop1): mounting fs with errors
[  591.445324][T20552] NILFS (loop3): mounting fs with errors
[  591.457573][T20551] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.516882][T20545] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.549334][T20557] loop2: detected capacity change from 0 to 2048
[  591.592531][T20545] Remounting filesystem read-only
[  591.596060][T20563] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.618998][T20557] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.619850][T20551] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.631106][T20545] NILFS (loop0): error -5 truncating bmap (ino=16)
[  591.669966][T20561] loop1: detected capacity change from 0 to 2048
[  591.678988][T20551] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.687614][T20562] loop3: detected capacity change from 0 to 2048
[  591.696997][T20561] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.710878][T20551] Remounting filesystem read-only
[  591.717264][T20551] NILFS (loop4): error -5 truncating bmap (ino=16)
[  591.721298][T14829] NILFS (loop0): disposed unprocessed dirty file(s) when detaching log writer
[  591.727456][T20565] NILFS (loop4): mounting fs with errors
[  591.751917][T20568] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.766961][T20562] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  591.778749][T20557] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.796546][T20557] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.805892][T20569] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.829389][T20557] Remounting filesystem read-only
[  591.834969][T20557] NILFS (loop2): error -5 truncating bmap (ino=16)
[  591.835317][T20561] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.855994][T20570] NILFS (loop2): mounting fs with errors
[  591.907554][T20572] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  591.917579][T20561] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  591.938544][T20562] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  591.998244][T20562] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.027814][T20561] Remounting filesystem read-only
[  592.056831][T20561] NILFS (loop1): error -5 truncating bmap (ino=16)
[  592.078147][T20562] Remounting filesystem read-only
[  592.088228][T20576] loop0: detected capacity change from 0 to 2048
[  592.107578][T20579] loop2: detected capacity change from 0 to 2048
[  592.115342][T20562] NILFS (loop3): error -5 truncating bmap (ino=16)
[  592.119333][T20571] NILFS (loop1): mounting fs with errors
[  592.161861][T20576] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.173412][T20581] loop4: detected capacity change from 0 to 2048
[  592.174725][T20575] NILFS (loop3): mounting fs with errors
[  592.191955][T20579] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.230856][T20581] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.305453][T20586] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.313069][T20579] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.327257][T20585] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.340220][T20588] loop1: detected capacity change from 0 to 2048
[  592.346825][T20576] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.373273][T20581] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.386736][T20579] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.400362][T20589] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.421356][T20576] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.439636][T20581] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.466398][T20587] loop3: detected capacity change from 0 to 2048
[  592.469393][T20576] Remounting filesystem read-only
[  592.484159][T20588] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.495746][T20581] Remounting filesystem read-only
[  592.502481][T20579] Remounting filesystem read-only
[  592.507596][T20576] NILFS (loop0): error -5 truncating bmap (ino=16)
[  592.507749][T20592] NILFS (loop0): mounting fs with errors
[  592.514927][T20581] NILFS (loop4): error -5 truncating bmap (ino=16)
[  592.589599][T20579] NILFS (loop2): error -5 truncating bmap (ino=16)
[  592.599134][T20593] NILFS (loop4): mounting fs with errors
[  592.618052][T20587] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.638849][T20598] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.665260][T14831] NILFS (loop2): disposed unprocessed dirty file(s) when detaching log writer
[  592.666700][T20588] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.701972][T20588] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.705620][T20596] loop0: detected capacity change from 0 to 2048
[  592.714384][T20588] Remounting filesystem read-only
[  592.723127][T20588] NILFS (loop1): error -5 truncating bmap (ino=16)
[  592.725245][T20601] NILFS (loop1): mounting fs with errors
[  592.763956][T20587] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  592.776131][T20600] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  592.824442][T20587] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  592.834428][T20596] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.883816][T20587] Remounting filesystem read-only
[  592.896220][T20603] loop2: detected capacity change from 0 to 2048
[  592.914620][T20587] NILFS (loop3): error -5 truncating bmap (ino=16)
[  592.927320][T20606] loop4: detected capacity change from 0 to 2048
[  592.950612][T20605] NILFS (loop3): mounting fs with errors
[  592.951453][T20603] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  592.978103][T20606] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.003150][T20609] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.027169][T20596] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.033043][T20612] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.058866][T20608] loop1: detected capacity change from 0 to 2048
[  593.075537][T20611] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.090011][T20606] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.102068][T20596] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.112189][T20603] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.136902][T20608] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.154944][T20606] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.166142][T20596] Remounting filesystem read-only
[  593.177833][T20603] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.192153][T20596] NILFS (loop0): error -5 truncating bmap (ino=16)
[  593.238268][T20606] Remounting filesystem read-only
[  593.245683][T20603] Remounting filesystem read-only
[  593.250501][T20613] NILFS (loop0): mounting fs with errors
[  593.260317][T20619] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.283769][T20606] NILFS (loop4): error -5 truncating bmap (ino=16)
[  593.291316][T20608] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.291888][T20603] NILFS (loop2): error -5 truncating bmap (ino=16)
[  593.329648][T20617] loop3: detected capacity change from 0 to 2048
[  593.340536][T20615] NILFS (loop4): mounting fs with errors
[  593.363261][T20614] NILFS (loop2): mounting fs with errors
[  593.370076][T20608] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.408305][T20621] loop0: detected capacity change from 0 to 2048
[  593.416535][T20608] Remounting filesystem read-only
[  593.426845][T20608] NILFS (loop1): error -5 truncating bmap (ino=16)
[  593.442057][T20617] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.471413][T20621] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.486614][T20622] NILFS (loop1): mounting fs with errors
[  593.511297][T20626] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.529850][T20617] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.563977][T20630] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.589628][T20621] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.619546][T20625] loop2: detected capacity change from 0 to 2048
[  593.634281][T20617] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.655414][T20621] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.668927][T20628] loop4: detected capacity change from 0 to 2048
[  593.695053][T20617] Remounting filesystem read-only
[  593.702598][T20625] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.723230][T20617] NILFS (loop3): error -5 truncating bmap (ino=16)
[  593.726300][T20631] loop1: detected capacity change from 0 to 2048
[  593.731296][T20628] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.751628][T20621] Remounting filesystem read-only
[  593.766320][T20621] NILFS (loop0): error -5 truncating bmap (ino=16)
[  593.775897][T20632] NILFS (loop3): mounting fs with errors
[  593.808880][T20636] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.824359][T20625] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.838230][T20633] NILFS (loop0): mounting fs with errors
[  593.841332][T20631] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  593.857841][T20638] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  593.883524][T20628] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  593.896905][T20628] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.897623][T20628] Remounting filesystem read-only
[  593.897636][T20628] NILFS (loop4): error -5 truncating bmap (ino=16)
[  593.897798][T20625] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  593.898928][T20628] NILFS (loop4): mounting fs with errors
[  593.899123][T20625] Remounting filesystem read-only
[  593.899136][T20625] NILFS (loop2): error -5 truncating bmap (ino=16)
[  593.900538][T20625] NILFS (loop2): mounting fs with errors
[  593.964107][T20642] loop0: detected capacity change from 0 to 2048
[  594.001545][T20640] loop3: detected capacity change from 0 to 2048
[  594.002495][T20645] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.038541][T20631] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.053506][T20631] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.057437][T20642] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.057493][T20640] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.092393][T20631] Remounting filesystem read-only
[  594.096168][T20642] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.115871][T20648] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.118684][T20631] NILFS (loop1): error -5 truncating bmap (ino=16)
[  594.128384][T20642] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.146796][T20642] Remounting filesystem read-only
[  594.152209][T20649] NILFS (loop1): mounting fs with errors
[  594.161249][T20642] NILFS (loop0): error -5 truncating bmap (ino=16)
[  594.169973][T20651] NILFS (loop0): mounting fs with errors
[  594.266372][T20653] loop2: detected capacity change from 0 to 2048
[  594.328225][T20653] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.340281][T20658] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.357857][T20640] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.374631][T20656] loop0: detected capacity change from 0 to 2048
[  594.398508][T20657] loop4: detected capacity change from 0 to 2048
[  594.434307][T20640] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.453118][T20656] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.471857][T20657] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.481952][T20664] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.486260][T20653] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.534901][T20640] Remounting filesystem read-only
[  594.558066][T20656] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.562190][T20663] loop1: detected capacity change from 0 to 2048
[  594.569473][T20665] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.587321][T20640] NILFS (loop3): error -5 truncating bmap (ino=16)
[  594.594890][T20653] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.607128][T20667] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.624147][T20657] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.641468][T20661] NILFS (loop3): mounting fs with errors
[  594.644709][T20653] Remounting filesystem read-only
[  594.652704][T20657] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.661303][T20656] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.672582][T20653] NILFS (loop2): error -5 truncating bmap (ino=16)
[  594.692251][T20663] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.699618][T20656] Remounting filesystem read-only
[  594.714634][T20666] NILFS (loop2): mounting fs with errors
[  594.722150][T20656] NILFS (loop0): error -5 truncating bmap (ino=16)
[  594.754197][T20657] Remounting filesystem read-only
[  594.763850][T20657] NILFS (loop4): error -5 truncating bmap (ino=16)
[  594.777870][T20672] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  594.794300][T20663] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  594.807470][T20668] NILFS (loop0): mounting fs with errors
[  594.817202][T20670] NILFS (loop4): mounting fs with errors
[  594.818874][T20663] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  594.871969][T20663] Remounting filesystem read-only
[  594.878621][T20673] loop3: detected capacity change from 0 to 2048
[  594.899043][T20663] NILFS (loop1): error -5 truncating bmap (ino=16)
[  594.951110][T20673] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  594.952100][T20675] NILFS (loop1): mounting fs with errors
[  595.024687][T20677] loop0: detected capacity change from 0 to 2048
[  595.070041][T20685] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.081750][T20673] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.084029][T20680] loop4: detected capacity change from 0 to 2048
[  595.109257][T20681] loop2: detected capacity change from 0 to 2048
[  595.129526][T20677] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.153098][T20673] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.167388][T20681] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.186319][T20686] loop1: detected capacity change from 0 to 2048
[  595.201345][T20680] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.241276][T20673] Remounting filesystem read-only
[  595.248413][T20689] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.258147][T20686] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.273078][T20677] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.278117][T20690] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.292212][T20673] NILFS (loop3): error -5 truncating bmap (ino=16)
[  595.302919][T20681] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.318985][T20691] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.338821][T20677] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.340195][T20680] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.370903][T20687] NILFS (loop3): mounting fs with errors
[  595.384637][T20694] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.403908][T20681] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.420264][T20681] Remounting filesystem read-only
[  595.427911][T20686] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.431626][T20680] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.455164][T20681] NILFS (loop2): error -5 truncating bmap (ino=16)
[  595.463125][T20677] Remounting filesystem read-only
[  595.471975][T20693] NILFS (loop2): mounting fs with errors
[  595.484632][T20680] Remounting filesystem read-only
[  595.500374][T20680] NILFS (loop4): error -5 truncating bmap (ino=16)
[  595.512040][T20696] NILFS (loop4): mounting fs with errors
[  595.530533][T20686] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.549701][T20677] NILFS (loop0): error -5 truncating bmap (ino=16)
[  595.580951][T20692] NILFS (loop0): mounting fs with errors
[  595.602501][T20686] Remounting filesystem read-only
[  595.607012][T20700] loop3: detected capacity change from 0 to 2048
[  595.633227][T20686] NILFS (loop1): error -5 truncating bmap (ino=16)
[  595.661121][T20704] loop2: detected capacity change from 0 to 2048
[  595.677321][T20699] NILFS (loop1): mounting fs with errors
[  595.705098][T20706] loop4: detected capacity change from 0 to 2048
[  595.725320][T20704] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.746576][T20700] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.778497][T20706] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.840435][T20714] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.847306][T20715] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.853697][T20712] loop0: detected capacity change from 0 to 2048
[  595.867211][T20704] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.882124][T20700] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.908708][T20718] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  595.912344][T20706] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  595.932948][T20710] loop1: detected capacity change from 0 to 2048
[  595.948690][T20712] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  595.979255][T20700] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  595.988737][T20704] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.004966][T20710] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.023358][T20704] Remounting filesystem read-only
[  596.030880][T20700] Remounting filesystem read-only
[  596.049183][T20706] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.057795][T20722] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.064957][T20700] NILFS (loop3): error -5 truncating bmap (ino=16)
[  596.078592][T20704] NILFS (loop2): error -5 truncating bmap (ino=16)
[  596.088901][T20712] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.101763][T20717] NILFS (loop2): mounting fs with errors
[  596.120146][T20706] Remounting filesystem read-only
[  596.128438][T20724] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.134139][T20706] NILFS (loop4): error -5 truncating bmap (ino=16)
[  596.139555][T20720] NILFS (loop3): mounting fs with errors
[  596.150456][T20710] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.207092][T20721] NILFS (loop4): mounting fs with errors
[  596.218690][T20712] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.236449][T20710] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.259394][T20712] Remounting filesystem read-only
[  596.269891][T20710] Remounting filesystem read-only
[  596.277635][T20712] NILFS (loop0): error -5 truncating bmap (ino=16)
[  596.332775][T20710] NILFS (loop1): error -5 truncating bmap (ino=16)
[  596.358779][T20725] NILFS (loop0): mounting fs with errors
[  596.358902][T20730] loop2: detected capacity change from 0 to 2048
[  596.372063][T20729] loop3: detected capacity change from 0 to 2048
[  596.384422][T20727] NILFS (loop1): mounting fs with errors
[  596.415252][T20729] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.430263][T20730] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.472297][T20733] loop4: detected capacity change from 0 to 2048
[  596.502121][T20735] loop0: detected capacity change from 0 to 2048
[  596.513325][T20739] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.527341][T20730] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.545215][T20729] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.565568][T20737] loop1: detected capacity change from 0 to 2048
[  596.587159][T20740] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.600648][T20733] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.601381][T20735] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.621982][T20730] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.660754][T20733] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.674173][T20746] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.695839][T20729] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.714643][T20737] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  596.725067][T20730] Remounting filesystem read-only
[  596.741762][T20730] NILFS (loop2): error -5 truncating bmap (ino=16)
[  596.749643][T20741] NILFS (loop2): mounting fs with errors
[  596.751182][T20733] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.807965][T20729] Remounting filesystem read-only
[  596.815653][T20748] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.830133][T20737] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.851502][T20733] Remounting filesystem read-only
[  596.868096][T20729] NILFS (loop3): error -5 truncating bmap (ino=16)
[  596.877754][T20749] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  596.892997][T20735] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  596.900011][T20733] NILFS (loop4): error -5 truncating bmap (ino=16)
[  596.913882][T20737] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.945168][T20747] NILFS (loop4): mounting fs with errors
[  596.955148][T20737] Remounting filesystem read-only
[  596.973050][T20735] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  596.978369][T20737] NILFS (loop1): error -5 truncating bmap (ino=16)
[  597.013777][T20750] NILFS (loop1): mounting fs with errors
[  597.036617][T20735] Remounting filesystem read-only
[  597.054105][T20735] NILFS (loop0): error -5 truncating bmap (ino=16)
[  597.080608][T20751] NILFS (loop0): mounting fs with errors
[  597.377597][T14833] NILFS (loop3): disposed unprocessed dirty file(s) when detaching log writer
[  597.485136][T20758] loop2: detected capacity change from 0 to 2048
[  597.519198][T20763] loop0: detected capacity change from 0 to 2048
[  597.526780][T20764] loop4: detected capacity change from 0 to 2048
[  597.552141][T20762] loop1: detected capacity change from 0 to 2048
[  597.552388][T20766] loop3: detected capacity change from 0 to 2048
[  597.571129][T20763] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.571219][T20764] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.623445][T20769] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.634853][T20766] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.655832][T20758] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.671086][T20763] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.678057][T20762] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  597.702316][T20770] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.703120][T20764] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.721441][T20763] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.738407][T20764] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.752273][T20763] Remounting filesystem read-only
[  597.764145][T20775] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.768046][T20763] NILFS (loop0): error -5 truncating bmap (ino=16)
[  597.789448][T20777] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.801613][T20766] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.813155][T20758] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.824874][T20772] NILFS (loop0): mounting fs with errors
[  597.826846][T20778] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  597.845118][T20762] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  597.859512][T20764] Remounting filesystem read-only
[  597.868774][T20766] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.879794][T20764] NILFS (loop4): error -5 truncating bmap (ino=16)
[  597.882348][T20758] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.899332][T20762] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  597.922851][T20766] Remounting filesystem read-only
[  597.932756][T20766] NILFS (loop3): error -5 truncating bmap (ino=16)
[  597.941311][T20762] Remounting filesystem read-only
[  597.948073][T20758] Remounting filesystem read-only
[  597.959105][T20762] NILFS (loop1): error -5 truncating bmap (ino=16)
[  597.962496][T20781] NILFS (loop1): mounting fs with errors
[  597.967902][T20758] NILFS (loop2): error -5 truncating bmap (ino=16)
[  597.981380][T20776] NILFS (loop4): mounting fs with errors
[  597.991345][T20779] NILFS (loop3): mounting fs with errors
[  598.085797][T20783] loop0: detected capacity change from 0 to 2048
[  598.102853][T20780] NILFS (loop2): mounting fs with errors
[  598.139709][T20783] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.179919][T20788] loop3: detected capacity change from 0 to 2048
[  598.217596][T20792] loop4: detected capacity change from 0 to 2048
[  598.227093][T20791] loop1: detected capacity change from 0 to 2048
[  598.256578][T20788] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.258082][T20795] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.300812][T20783] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.307667][T20791] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.326776][T20792] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.346659][T20794] loop2: detected capacity change from 0 to 2048
[  598.375117][T20783] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.395346][T20798] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.401104][T20788] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.422066][T20783] Remounting filesystem read-only
[  598.437326][T20794] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.443733][T20783] NILFS (loop0): error -5 truncating bmap (ino=16)
[  598.455378][T20799] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.459890][T20792] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.482854][T20788] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.509350][T20802] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.524491][T20791] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.535469][T20804] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  598.544873][T20792] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.556195][T20797] NILFS (loop0): mounting fs with errors
[  598.565796][T20794] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  598.591537][T20791] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.612720][T20788] Remounting filesystem read-only
[  598.639007][T20794] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  598.652843][T20788] NILFS (loop3): error -5 truncating bmap (ino=16)
[  598.656179][T20800] NILFS (loop3): mounting fs with errors
[  598.669901][T20792] Remounting filesystem read-only
[  598.677217][T20791] Remounting filesystem read-only
[  598.714431][T20792] NILFS (loop4): error -5 truncating bmap (ino=16)
[  598.725410][T20791] NILFS (loop1): error -5 truncating bmap (ino=16)
[  598.745477][T20794] Remounting filesystem read-only
[  598.767707][T20805] NILFS (loop1): mounting fs with errors
[  598.773497][T20794] NILFS (loop2): error -5 truncating bmap (ino=16)
[  598.783327][T20803] NILFS (loop4): mounting fs with errors
[  598.801645][T20806] NILFS (loop2): mounting fs with errors
[  598.815285][T20808] loop0: detected capacity change from 0 to 2048
[  598.880050][T20808] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.916163][T20812] loop3: detected capacity change from 0 to 2048
[  598.959462][T20812] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  598.979592][T20814] loop1: detected capacity change from 0 to 2048
[  599.008280][T20820] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.021761][T20808] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.039251][T20816] loop4: detected capacity change from 0 to 2048
[  599.072275][T20814] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.079667][T20808] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.100614][T20818] loop2: detected capacity change from 0 to 2048
[  599.108014][T20822] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.129814][T20812] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.156339][T20816] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.160312][T20824] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.188941][T20814] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.192765][T20818] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.211862][T20812] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.225303][T20808] Remounting filesystem read-only
[  599.261292][T20808] NILFS (loop0): error -5 truncating bmap (ino=16)
[  599.267066][T20814] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.279972][T20812] Remounting filesystem read-only
[  599.294014][T20816] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.305002][T20828] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.316756][T20814] Remounting filesystem read-only
[  599.320533][T20821] NILFS (loop0): mounting fs with errors
[  599.340318][T20812] NILFS (loop3): error -5 truncating bmap (ino=16)
[  599.357118][T20816] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.370668][T20814] NILFS (loop1): error -5 truncating bmap (ino=16)
[  599.377753][T20825] NILFS (loop3): mounting fs with errors
[  599.395613][T20827] NILFS (loop1): mounting fs with errors
[  599.401776][T20816] Remounting filesystem read-only
[  599.415241][T20816] NILFS (loop4): error -5 truncating bmap (ino=16)
[  599.460641][T20833] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.476357][T20818] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.479856][T20829] NILFS (loop4): mounting fs with errors
[  599.531759][T20818] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.594053][T20831] loop0: detected capacity change from 0 to 2048
[  599.609105][T20818] Remounting filesystem read-only
[  599.620350][T20837] loop1: detected capacity change from 0 to 2048
[  599.625059][T20818] NILFS (loop2): error -5 truncating bmap (ino=16)
[  599.640660][T20831] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.649156][T20838] loop3: detected capacity change from 0 to 2048
[  599.667548][T20841] loop4: detected capacity change from 0 to 2048
[  599.667726][T20839] NILFS (loop2): mounting fs with errors
[  599.722316][T20844] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.732812][T20837] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.736330][T20831] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.754579][T20841] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.777619][T20838] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  599.789911][T20831] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.804564][T20848] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.820708][T20841] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.845521][T20831] Remounting filesystem read-only
[  599.852347][T20850] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.866160][T20841] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.880537][T20838] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.884903][T20851] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  599.893664][T20831] NILFS (loop0): error -5 truncating bmap (ino=16)
[  599.906251][T20837] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  599.926628][T20849] loop2: detected capacity change from 0 to 2048
[  599.935484][T20838] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  599.945994][T20841] Remounting filesystem read-only
[  599.951686][T20841] NILFS (loop4): error -5 truncating bmap (ino=16)
[  599.959341][T20845] NILFS (loop0): mounting fs with errors
[  599.966183][T20852] NILFS (loop4): mounting fs with errors
[  599.972644][T20838] Remounting filesystem read-only
[  599.983949][T20838] NILFS (loop3): error -5 truncating bmap (ino=16)
[  599.994047][T20837] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.008475][T20849] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.031227][T20853] NILFS (loop3): mounting fs with errors
[  600.042182][T20837] Remounting filesystem read-only
[  600.098262][T20837] NILFS (loop1): error -5 truncating bmap (ino=16)
[  600.121358][T20859] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.137395][T20849] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.150765][T20854] NILFS (loop1): mounting fs with errors
[  600.150825][T20849] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.178769][T20858] loop4: detected capacity change from 0 to 2048
[  600.223045][T20849] Remounting filesystem read-only
[  600.240109][T20861] loop0: detected capacity change from 0 to 2048
[  600.252596][T20858] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.276657][T20849] NILFS (loop2): error -5 truncating bmap (ino=16)
[  600.295459][T20858] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.306011][T20862] NILFS (loop2): mounting fs with errors
[  600.327691][T20867] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.338947][T20861] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.373776][T20858] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.393469][T20865] loop3: detected capacity change from 0 to 2048
[  600.403015][T20873] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.417774][T20858] Remounting filesystem read-only
[  600.426006][T20861] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.440019][T20858] NILFS (loop4): error -5 truncating bmap (ino=16)
[  600.456191][T20861] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.456771][T20868] loop1: detected capacity change from 0 to 2048
[  600.465697][T20872] loop2: detected capacity change from 0 to 2048
[  600.491214][T20869] NILFS (loop4): mounting fs with errors
[  600.512563][T20865] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.533458][T20861] Remounting filesystem read-only
[  600.561030][T20868] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.570980][T20861] NILFS (loop0): error -5 truncating bmap (ino=16)
[  600.588617][T20872] NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.630217][T20881] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.644761][T20865] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.657016][T20874] NILFS (loop0): mounting fs with errors
[  600.691020][T20882] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.721842][T20865] NILFS error (device loop3): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.733129][T20884] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.737451][T20872] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.759744][T20880] loop4: detected capacity change from 0 to 2048
[  600.767177][T20868] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.816883][T20868] NILFS error (device loop1): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.825814][T20865] Remounting filesystem read-only
[  600.837777][T20880] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
[  600.859809][T20865] NILFS (loop3): error -5 truncating bmap (ino=16)
[  600.878141][T20868] Remounting filesystem read-only
[  600.888747][T20872] NILFS error (device loop2): nilfs_bmap_last_key: broken bmap (inode number=16)
[  600.906683][T20887] loop0: detected capacity change from 0 to 2048
[  600.911439][T20883] NILFS (loop3): mounting fs with errors
[  600.914592][T20868] NILFS (loop1): error -5 truncating bmap (ino=16)
[  600.938899][T20890] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  600.955478][T20880] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  600.973506][T20872] Remounting filesystem read-only
[  600.993253][T20888] NILFS (loop1): mounting fs with errors
[  601.002152][T20880] NILFS error (device loop4): nilfs_bmap_last_key: broken bmap (inode number=16)
[  601.006216][T20872] NILFS (loop2): error -5 truncating bmap (ino=16)
[  601.024454][T20887] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[  601.099884][T20880] Remounting filesystem read-only
[  601.105748][T20880] NILFS (loop4): error -5 truncating bmap (ino=16)
[  601.126184][T20897] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  601.131424][T20892] loop3: detected capacity change from 0 to 2048
[  601.147689][T20887] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  601.159412][T14831] NILFS (loop2): disposed unprocessed dirty file(s) when detaching log writer
[  601.186940][T20893] NILFS (loop4): mounting fs with errors
[  601.211031][T20892] NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
[  601.222668][T20887] NILFS error (device loop0): nilfs_bmap_last_key: broken bmap (inode number=16)
[  601.242516][T20898] loop1: detected capacity change from 0 to 2048
[  601.244754][T20887] Remounting filesystem read-only
[  601.320299][T20898] NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
[  601.344801][T20905] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  601.348865][T20892] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  601.374192][T20887] NILFS (loop0): error -5 truncating bmap (ino=16)
[  601.399601][T20907] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  601.416477][T20898] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 1, flags = 0x0, nchildren = 157
[  601.427042][T20899] NILFS (loop0): mounting fs with errors