** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/979498
Title:
kernel hangs in xlog_grant_log_space
Status in The Linux Kernel:
Confirmed
Status in “linux” package in Ubuntu:
Triaged
Status in “linux” source package in Lucid:
In Progress
Status in “linux” source package in Oneiric:
Invalid
Status in “linux” source package in Precise:
In Progress
Status in “linux” source package in Quantal:
In Progress
Bug description:
We're seeing the following stack traces on different production
machines that are running Natty 2.6.38-8-server. The machines need to
be rebooted to recover.
http://oss.sgi.com/archives/xfs/2011-11/msg00401.html claims that this
bug is fixed in 3.0. Can this patch be backported to a Natty kernel?
Upgrading to Oneiric is not an option at the moment.
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299177] INFO: task
xfssyncd/dm-4:739 blocked for more than 120 seconds.
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299206] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299235] xfssyncd/dm-4
D 000000000000000e 0 739 2 0x00000000
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299241]
ffff880bdd211d00 0000000000000046 ffff880bdd211fd8 ffff880bdd210000
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299245]
0000000000013d00 ffff880bddd8df38 ffff880bdd211fd8 0000000000013d00
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299250]
ffff881745c496e0 ffff880bddd8db80 0000000000000282 ffff8817de4e2800
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299254] Call Trace:
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299297]
[<ffffffffa010b2d8>] xlog_grant_log_space+0x4a8/0x500 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299304]
[<ffffffff8105f6f0>] ? default_wake_function+0x0/0x20
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299328]
[<ffffffffa010d1ff>] xfs_log_reserve+0xff/0x140 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299352]
[<ffffffffa01191fc>] xfs_trans_reserve+0x9c/0x200 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299373]
[<ffffffffa00fd383>] xfs_fs_log_dummy+0x43/0x90 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299397]
[<ffffffffa01303c1>] xfs_sync_worker+0x81/0x90 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299421]
[<ffffffffa012f0f3>] xfssyncd+0x183/0x230 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299444]
[<ffffffffa012ef70>] ? xfssyncd+0x0/0x230 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299450]
[<ffffffff810871f6>] kthread+0x96/0xa0
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299456]
[<ffffffff8100cde4>] kernel_thread_helper+0x4/0x10
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299460]
[<ffffffff81087160>] ? kthread+0x0/0xa0
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299463]
[<ffffffff8100cde0>] ? kernel_thread_helper+0x0/0x10
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299562] INFO: task
mysqld:16377 blocked for more than 120 seconds.
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299586] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299615] mysqld
D 000000000000000e 0 16377 1 0x00000000
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299619]
ffff88146e6ffaa8 0000000000000082 ffff88146e6fffd8 ffff88146e6fe000
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299623]
0000000000013d00 ffff8817375303b8 ffff88146e6fffd8 0000000000013d00
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299628]
ffff880bdf352dc0 ffff881737530000 0000000000000286 ffff8817de4e2800
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299632] Call Trace:
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299655]
[<ffffffffa010b2d8>] xlog_grant_log_space+0x4a8/0x500 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299659]
[<ffffffff8105f6f0>] ? default_wake_function+0x0/0x20
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299682]
[<ffffffffa010d1ff>] xfs_log_reserve+0xff/0x140 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299705]
[<ffffffffa01191fc>] xfs_trans_reserve+0x9c/0x200 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299729]
[<ffffffffa0119071>] ? xfs_trans_alloc+0xa1/0xb0 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299752]
[<ffffffffa011ef4f>] xfs_create+0x17f/0x660 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299776]
[<ffffffffa012c07a>] xfs_vn_mknod+0xaa/0x1c0 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299799]
[<ffffffffa012c1c0>] xfs_vn_create+0x10/0x20 [xfs]
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299804]
[<ffffffff811705c1>] vfs_create+0xb1/0x110
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299809]
[<ffffffff81173bd6>] do_last+0x346/0x410
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299812]
[<ffffffff81174032>] do_filp_open+0x392/0x7c0
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299816]
[<ffffffff81172d02>] ? user_path_at+0x62/0xa0
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299822]
[<ffffffff811810f7>] ? alloc_fd+0xf7/0x150
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299826]
[<ffffffff8116474a>] do_sys_open+0x6a/0x150
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299830]
[<ffffffff81164850>] sys_open+0x20/0x30
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299833]
[<ffffffff8100bfc2>] system_call_fastpath+0x16/0x1b
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299866] INFO: task
cron:15652 blocked for more than 120 seconds.
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299889] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299918] cron
D 0000000000000013 0 15652 1053 0x00000000
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299922]
ffff88096bac7cb8 0000000000000082 ffff88096bac7fd8 ffff88096bac6000
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299926]
0000000000013d00 ffff880b6e555f38 ffff88096bac7fd8 0000000000013d00
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299930]
ffff880bdf3eadc0 ffff880b6e555b80 ffff88096bac7cf8 ffff8817ddaf75b8
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299935] Call Trace:
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299941]
[<ffffffff815d6537>] __mutex_lock_slowpath+0xf7/0x180
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299946]
[<ffffffff812797d0>] ? security_inode_exec_permission+0x30/0x40
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299950]
[<ffffffff815d5f23>] mutex_lock+0x23/0x50
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299954]
[<ffffffff811739a8>] do_last+0x118/0x410
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299957]
[<ffffffff81174032>] do_filp_open+0x392/0x7c0
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299962]
[<ffffffff8113135d>] ? handle_mm_fault+0x16d/0x250
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299967]
[<ffffffff811810f7>] ? alloc_fd+0xf7/0x150
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299971]
[<ffffffff8116474a>] do_sys_open+0x6a/0x150
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299974]
[<ffffffff81164850>] sys_open+0x20/0x30
Apr 10 23:31:14 nv-aw2az1-database0001 kernel: [2693078.299977]
[<ffffffff8100bfc2>] system_call_fastpath+0x16/0x1b
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