touch-packages team mailing list archive

[Guillaume Penin <guillaume.penin@xxxxxxx>]

Public bug reported:

Operating System : Ubuntu 12.04 LTS
LVM version : 2.02.66-4ubuntu7.1

When trying to pvmove from one device to another on an active production
system, it seems that we encounter the following bug :
https://bugzilla.redhat.com/show_bug.cgi?id=706036

Symptoms :
- pvmove command hangs indefinitely
- iostat shows busy disks without any I/O
- dmesg shows :

kernel: [119143.641376] INFO: task jbd2/dm-5-8:1801 blocked for more than 120 seconds.
kernel: [119143.641456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kernel: [119143.641529] jbd2/dm-5-8     D ffffffff81806200     0  1801      2 0x00000000
kernel: [119143.641535]  ffff88022d489ac0 0000000000000046 ffff88022d489a60 ffffffff8103ec29
kernel: [119143.641540]  ffff88022d489fd8 ffff88022d489fd8 ffff88022d489fd8 0000000000012800
kernel: [119143.641543]  ffff880232169700 ffff880227d0ae00 ffff88022d489a90 ffff88023fc930c0
kernel: [119143.641547] Call Trace:
kernel: [119143.641561]  [<ffffffff8103ec29>] ? default_spin_lock_flags+0x9/0x10
kernel: [119143.641568]  [<ffffffff81119ec0>] ? __lock_page+0x70/0x70
kernel: [119143.641577]  [<ffffffff81666bff>] schedule+0x3f/0x60
kernel: [119143.641580]  [<ffffffff81666caf>] io_schedule+0x8f/0xd0
kernel: [119143.641584]  [<ffffffff81119ece>] sleep_on_page+0xe/0x20
kernel: [119143.641587]  [<ffffffff816674bf>] __wait_on_bit+0x5f/0x90
kernel: [119143.641590]  [<ffffffff8111a038>] wait_on_page_bit+0x78/0x80
kernel: [119143.641595]  [<ffffffff8108c640>] ? autoremove_wake_function+0x40/0x40
kernel: [119143.641598]  [<ffffffff8111a14c>] filemap_fdatawait_range+0x10c/0x1a0
kernel: [119143.641603]  [<ffffffff81501a58>] ? dm_request+0x28/0x40
kernel: [119143.641607]  [<ffffffff812f6cf4>] ? generic_make_request.part.52+0x74/0xb0
kernel: [119143.641610]  [<ffffffff812f7108>] ? generic_make_request+0x68/0x70
kernel: [119143.641613]  [<ffffffff8111a20b>] filemap_fdatawait+0x2b/0x30
kernel: [119143.641617]  [<ffffffff81265ec0>] journal_finish_inode_data_buffers+0x70/0x170
kernel: [119143.641621]  [<ffffffff812667c7>] jbd2_journal_commit_transaction+0x677/0x12a0
kernel: [119143.641625]  [<ffffffff81079184>] ? try_to_del_timer_sync+0xa4/0x110
kernel: [119143.641629]  [<ffffffff8126af5b>] kjournald2+0xbb/0x220
kernel: [119143.641632]  [<ffffffff8108c600>] ? add_wait_queue+0x60/0x60
kernel: [119143.641635]  [<ffffffff8126aea0>] ? commit_timeout+0x10/0x10
kernel: [119143.641638]  [<ffffffff8108bb5c>] kthread+0x8c/0xa0
kernel: [119143.641646]  [<ffffffff816733b4>] kernel_thread_helper+0x4/0x10
kernel: [119143.641649]  [<ffffffff8108bad0>] ? flush_kthread_worker+0xa0/0xa0
kernel: [119143.641652]  [<ffffffff816733b0>] ? gs_change+0x13/0x13

The system has been resetted in order to become operational.

I'm unable to use apport-collect on our servers as it does not seem to
use proxy settings.

** Affects: lvm2 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to lvm2 in Ubuntu.
https://bugs.launchpad.net/bugs/1514428

Title:
  pvmove hangs while moving LVs

Status in lvm2 package in Ubuntu:
  New

Bug description:
  Operating System : Ubuntu 12.04 LTS
  LVM version : 2.02.66-4ubuntu7.1

  When trying to pvmove from one device to another on an active
  production system, it seems that we encounter the following bug :
  https://bugzilla.redhat.com/show_bug.cgi?id=706036

  Symptoms :
  - pvmove command hangs indefinitely
  - iostat shows busy disks without any I/O
  - dmesg shows :

  kernel: [119143.641376] INFO: task jbd2/dm-5-8:1801 blocked for more than 120 seconds.
  kernel: [119143.641456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  kernel: [119143.641529] jbd2/dm-5-8     D ffffffff81806200     0  1801      2 0x00000000
  kernel: [119143.641535]  ffff88022d489ac0 0000000000000046 ffff88022d489a60 ffffffff8103ec29
  kernel: [119143.641540]  ffff88022d489fd8 ffff88022d489fd8 ffff88022d489fd8 0000000000012800
  kernel: [119143.641543]  ffff880232169700 ffff880227d0ae00 ffff88022d489a90 ffff88023fc930c0
  kernel: [119143.641547] Call Trace:
  kernel: [119143.641561]  [<ffffffff8103ec29>] ? default_spin_lock_flags+0x9/0x10
  kernel: [119143.641568]  [<ffffffff81119ec0>] ? __lock_page+0x70/0x70
  kernel: [119143.641577]  [<ffffffff81666bff>] schedule+0x3f/0x60
  kernel: [119143.641580]  [<ffffffff81666caf>] io_schedule+0x8f/0xd0
  kernel: [119143.641584]  [<ffffffff81119ece>] sleep_on_page+0xe/0x20
  kernel: [119143.641587]  [<ffffffff816674bf>] __wait_on_bit+0x5f/0x90
  kernel: [119143.641590]  [<ffffffff8111a038>] wait_on_page_bit+0x78/0x80
  kernel: [119143.641595]  [<ffffffff8108c640>] ? autoremove_wake_function+0x40/0x40
  kernel: [119143.641598]  [<ffffffff8111a14c>] filemap_fdatawait_range+0x10c/0x1a0
  kernel: [119143.641603]  [<ffffffff81501a58>] ? dm_request+0x28/0x40
  kernel: [119143.641607]  [<ffffffff812f6cf4>] ? generic_make_request.part.52+0x74/0xb0
  kernel: [119143.641610]  [<ffffffff812f7108>] ? generic_make_request+0x68/0x70
  kernel: [119143.641613]  [<ffffffff8111a20b>] filemap_fdatawait+0x2b/0x30
  kernel: [119143.641617]  [<ffffffff81265ec0>] journal_finish_inode_data_buffers+0x70/0x170
  kernel: [119143.641621]  [<ffffffff812667c7>] jbd2_journal_commit_transaction+0x677/0x12a0
  kernel: [119143.641625]  [<ffffffff81079184>] ? try_to_del_timer_sync+0xa4/0x110
  kernel: [119143.641629]  [<ffffffff8126af5b>] kjournald2+0xbb/0x220
  kernel: [119143.641632]  [<ffffffff8108c600>] ? add_wait_queue+0x60/0x60
  kernel: [119143.641635]  [<ffffffff8126aea0>] ? commit_timeout+0x10/0x10
  kernel: [119143.641638]  [<ffffffff8108bb5c>] kthread+0x8c/0xa0
  kernel: [119143.641646]  [<ffffffff816733b4>] kernel_thread_helper+0x4/0x10
  kernel: [119143.641649]  [<ffffffff8108bad0>] ? flush_kthread_worker+0xa0/0xa0
  kernel: [119143.641652]  [<ffffffff816733b0>] ? gs_change+0x13/0x13

  The system has been resetted in order to become operational.

  I'm unable to use apport-collect on our servers as it does not seem to
  use proxy settings.

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