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[Bug 1242587] Re: Kernel error while writing to iscsi ext4 filesystem

 

Would it be possible for you to test the latest upstream stable kernel?
Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the
latest v3.11 stable kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.6-saucy/


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1242587

Title:
  Kernel error while writing to iscsi ext4 filesystem

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Filesytem got blocked because a kernel error.

  IT seems that the systems goes offline mode and readonly while
  writting heavily to the filesystem.

  This is a vmachine over an amd64 system.

  Linux red-maas 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:12:00 UTC
  2013 i686 athlon i686 GNU/Linux

  Ubuntu 3.11.0-12.19-generic 3.11.3

  Ubuntu saucy just installed and up to date.

  I got following while writing to iscsi filesystem:

      5.777528] iscsi: registered transport (tcp)
  [    5.813107] iscsi: registered transport (iser)
  [    6.154085] scsi2 : iSCSI Initiator over TCP/IP
  [    6.425038] scsi 2:0:0:0: Direct-Access     QNAP     VIRTUAL-DISK     0    PQ: 0 ANSI: 4
  [    6.438196] sd 2:0:0:0: Attached scsi generic sg1 type 0
  [    6.439018] sd 2:0:0:0: [sda] 67108864 512-byte logical blocks: (34.3 GB/32.0 GiB)
  [    6.440972] sd 2:0:0:0: [sda] Write Protect is off
  [    6.440984] sd 2:0:0:0: [sda] Mode Sense: 77 00 00 08
  [    6.441899] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
  [    6.445312]  sda: sda1
  [    6.447584] sd 2:0:0:0: [sda] Attached SCSI disk
  [    7.070225] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
  [    8.898245] postgres (1251): /proc/1251/oom_adj is deprecated, please use /proc/1251/oom_score_adj instead.
  [  594.707838] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null)
  [ 1320.592146] INFO: task jbd2/sda1-8:895 blocked for more than 120 seconds.
  [ 1320.592727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  [ 1320.593378] jbd2/sda1-8     D f68fd580     0   895      2 0x00000000
  [ 1320.593391]  f3e51dc4 00000046 00000000 f68fd580 f3c0a4b0 f68fd580 f3e03380 c1a3d600
  [ 1320.593405]  c18d69a0 000048f6 c1a3d600 f6fee600 f3e03380 00062c96 f3e51d80 c1044467
  [ 1320.593417]  f3e51dbc c10a2838 56cc0dcc 000048f6 ffffffff 00000017 4216743b 00055b7e
  [ 1320.593428] Call Trace:
  [ 1320.593448]  [<c1044467>] ? kvm_clock_get_cycles+0x17/0x20
  [ 1320.593459]  [<c10a2838>] ? ktime_get_ts+0x48/0x140
  [ 1320.593471]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1320.593481]  [<c1629f36>] io_schedule+0x86/0x100
  [ 1320.593488]  [<c1193bed>] sleep_on_buffer+0xd/0x20
  [ 1320.593498]  [<c1628061>] __wait_on_bit+0x51/0x70
  [ 1320.593505]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1320.593512]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1320.593521]  [<c16280db>] out_of_line_wait_on_bit+0x5b/0x70
  [ 1320.593531]  [<c1070cb0>] ? wake_atomic_t_function+0x50/0x50
  [ 1320.593538]  [<c119470e>] __wait_on_buffer+0x2e/0x30
  [ 1320.593549]  [<c123b01c>] jbd2_journal_commit_transaction+0x14ac/0x1630
  [ 1320.593558]  [<c107bf21>] ? finish_task_switch+0x41/0xc0
  [ 1320.593567]  [<c1070c3c>] ? autoremove_wake_function+0x1c/0x40
  [ 1320.593577]  [<c105e752>] ? try_to_del_timer_sync+0x42/0x60
  [ 1320.593586]  [<c123ec00>] kjournald2+0xa0/0x210
  [ 1320.593594]  [<c1070c20>] ? wake_up_atomic_t+0x30/0x30
  [ 1320.593602]  [<c123eb60>] ? commit_timeout+0x10/0x10
  [ 1320.593609]  [<c1070164>] kthread+0x94/0xa0
  [ 1320.593617]  [<c1070000>] ? __kthread_parkme+0x60/0x70
  [ 1320.593625]  [<c1632c37>] ret_from_kernel_thread+0x1b/0x28
  [ 1320.593633]  [<c10700d0>] ? kthread_create_on_node+0xc0/0xc0
  [ 1414.914717]  connection1:0: pdu (op 0x5b itt 0x1) rejected. Reason code 0x7
  [ 1440.592343] INFO: task jbd2/sda1-8:895 blocked for more than 120 seconds.
  [ 1440.592907] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  [ 1440.593600] jbd2/sda1-8     D f68fd580     0   895      2 0x00000000
  [ 1440.593612]  f3e51dc4 00000046 00000000 f68fd580 f3c0a4b0 f68fd580 f3e03380 c1a3d600
  [ 1440.593626]  c18d69a0 000048f6 c1a3d600 f6fee600 f3e03380 00062c96 f3e51d80 c1044467
  [ 1440.593637]  f3e51dbc c10a2838 56cc0dcc 000048f6 ffffffff 00000017 4216743b 00055b7e
  [ 1440.593648] Call Trace:
  [ 1440.593669]  [<c1044467>] ? kvm_clock_get_cycles+0x17/0x20
  [ 1440.593680]  [<c10a2838>] ? ktime_get_ts+0x48/0x140
  [ 1440.593691]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1440.593700]  [<c1629f36>] io_schedule+0x86/0x100
  [ 1440.593708]  [<c1193bed>] sleep_on_buffer+0xd/0x20
  [ 1440.593717]  [<c1628061>] __wait_on_bit+0x51/0x70
  [ 1440.593724]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1440.593731]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1440.593740]  [<c16280db>] out_of_line_wait_on_bit+0x5b/0x70
  [ 1440.593749]  [<c1070cb0>] ? wake_atomic_t_function+0x50/0x50
  [ 1440.593757]  [<c119470e>] __wait_on_buffer+0x2e/0x30
  [ 1440.593768]  [<c123b01c>] jbd2_journal_commit_transaction+0x14ac/0x1630
  [ 1440.593777]  [<c107bf21>] ? finish_task_switch+0x41/0xc0
  [ 1440.593786]  [<c1070c3c>] ? autoremove_wake_function+0x1c/0x40
  [ 1440.593796]  [<c105e752>] ? try_to_del_timer_sync+0x42/0x60
  [ 1440.593804]  [<c123ec00>] kjournald2+0xa0/0x210
  [ 1440.593813]  [<c1070c20>] ? wake_up_atomic_t+0x30/0x30
  [ 1440.593821]  [<c123eb60>] ? commit_timeout+0x10/0x10
  [ 1440.593828]  [<c1070164>] kthread+0x94/0xa0
  [ 1440.593836]  [<c1070000>] ? __kthread_parkme+0x60/0x70
  [ 1440.593844]  [<c1632c37>] ret_from_kernel_thread+0x1b/0x28
  [ 1440.593852]  [<c10700d0>] ? kthread_create_on_node+0xc0/0xc0
  [ 1560.593069] INFO: task jbd2/sda1-8:895 blocked for more than 120 seconds.
  [ 1560.593626] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  [ 1560.594335] jbd2/sda1-8     D f68fd580     0   895      2 0x00000000
  [ 1560.594401]  f3e51dc4 00000046 00000000 f68fd580 f3c0a4b0 f68fd580 f3e03380 c1a3d600
  [ 1560.594429]  c18d69a0 000048f6 c1a3d600 f6fee600 f3e03380 00062c96 f3e51d80 c1044467
  [ 1560.594441]  f3e51dbc c10a2838 56cc0dcc 000048f6 ffffffff 00000017 4216743b 00055b7e
  [ 1560.594453] Call Trace:
  [ 1560.594474]  [<c1044467>] ? kvm_clock_get_cycles+0x17/0x20
  [ 1560.594485]  [<c10a2838>] ? ktime_get_ts+0x48/0x140
  [ 1560.594496]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1560.594505]  [<c1629f36>] io_schedule+0x86/0x100
  [ 1560.594513]  [<c1193bed>] sleep_on_buffer+0xd/0x20
  [ 1560.594523]  [<c1628061>] __wait_on_bit+0x51/0x70
  [ 1560.594530]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1560.594537]  [<c1193be0>] ? generic_block_bmap+0x60/0x60
  [ 1560.594546]  [<c16280db>] out_of_line_wait_on_bit+0x5b/0x70
  [ 1560.594555]  [<c1070cb0>] ? wake_atomic_t_function+0x50/0x50
  [ 1560.594563]  [<c119470e>] __wait_on_buffer+0x2e/0x30
  [ 1560.594574]  [<c123b01c>] jbd2_journal_commit_transaction+0x14ac/0x1630
  [ 1560.594583]  [<c107bf21>] ? finish_task_switch+0x41/0xc0
  [ 1560.594592]  [<c1070c3c>] ? autoremove_wake_function+0x1c/0x40
  [ 1560.594602]  [<c105e752>] ? try_to_del_timer_sync+0x42/0x60
  [ 1560.594610]  [<c123ec00>] kjournald2+0xa0/0x210
  [ 1560.594619]  [<c1070c20>] ? wake_up_atomic_t+0x30/0x30
  [ 1560.594627]  [<c123eb60>] ? commit_timeout+0x10/0x10
  [ 1560.594634]  [<c1070164>] kthread+0x94/0xa0
  [ 1560.594642]  [<c1070000>] ? __kthread_parkme+0x60/0x70
  [ 1560.594650]  [<c1632c37>] ret_from_kernel_thread+0x1b/0x28
  [ 1560.594658]  [<c10700d0>] ? kthread_create_on_node+0xc0/0xc0
  [ 1560.594705] INFO: task celeryd:1788 blocked for more than 120 seconds.
  [ 1560.595270] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  [ 1560.595942] celeryd         D f3baded0     0  1788    543 0x00000000
  [ 1560.595950]  f3badef4 00200086 00000101 f3baded0 f3254dfc 00002fef 00000000 c1a3d600
  [ 1560.595962]  d17fcd2d 00000148 c1a3d600 f6fee600 f3bb0000 c1122097 0000000e f3badedc
  [ 1560.595972]  00000003 f3badf20 c11173c4 00000001 0000000e 00000001 f3cb885c f3baded4
  [ 1560.595982] Call Trace:
  [ 1560.596002]  [<c1122097>] ? pagevec_lookup_tag+0x27/0x30
  [ 1560.596056]  [<c11173c4>] ? filemap_fdatawait_range+0xf4/0x140
  [ 1560.596064]  [<c10451d8>] ? default_spin_lock_flags+0x8/0x10
  [ 1560.596073]  [<c1070a38>] ? prepare_to_wait+0x48/0x70
  [ 1560.596079]  [<c1629ca3>] schedule+0x23/0x60
  [ 1560.596088]  [<c123e685>] jbd2_log_wait_commit+0x95/0x100
  [ 1560.596096]  [<c1070c20>] ? wake_up_atomic_t+0x30/0x30
  [ 1560.596105]  [<c12407d6>] jbd2_complete_transaction+0x46/0x80
  [ 1560.596115]  [<c11e9ee0>] ext4_sync_file+0x250/0x2d0
  [ 1560.596124]  [<c11e9c90>] ? ext4_file_write+0x480/0x480
  [ 1560.596133]  [<c1192663>] vfs_fsync+0x33/0x50
  [ 1560.596141]  [<c1192828>] do_fsync+0x28/0x50
  [ 1560.596150]  [<c1192a85>] SyS_fdatasync+0x15/0x20
  [ 1560.596157]  [<c1632ccd>] sysenter_do_call+0x12/0x28
  [ 1565.385540] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385550] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385553] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385557] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385559] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385562] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385565] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385568] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385570] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385608] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385613] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385616] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385618] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385621] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385624] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385627] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385629] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385632] sd 2:0:0:0: Device offlined - not ready after error recovery
  [ 1565.385643] sd 2:0:0:0: [sda] Unhandled error code
  [ 1565.385647] sd 2:0:0:0: [sda]
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.11.0-12-generic.
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: i386
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info: Error: [Errno 2] No such file or directory
  Card0.Amixer.values: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=/dev/mapper/red--maas--vg-swap_1
  InstallationDate: Installed on 2013-10-20 (0 days ago)
  InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release i386 (20131016)
  IwConfig: Error: [Errno 2] No such file or directory
  Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: Bochs Bochs
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=es_ES.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-12-generic root=/dev/mapper/red--maas--vg-root ro quiet splash
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  saucy
  Uname: Linux 3.11.0-12-generic i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 01/01/2011
  dmi.bios.vendor: Bochs
  dmi.bios.version: Bochs
  dmi.chassis.type: 1
  dmi.chassis.vendor: Bochs
  dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2011:svnBochs:pnBochs:pvr:cvnBochs:ct1:cvr:
  dmi.product.name: Bochs
  dmi.sys.vendor: Bochs

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References