On Wed, Nov 2, 2011 at 9:30 PM, Mandell Degerness
<mand...@pistoncloud.com> wrote:
> Should this error showing up in the log worry me?

Looks like the process got stuck while waiting for xfs to do a sync.
So...yes, that's a problem.

The Ceph monitor really doesn't do anything special that I'd expect to
be exposing filesystem bugs though. Do you have other Ceph processes
running on this node?
-Greg


> Nov  2 21:28:12 node-172-16-0-128 kernel: INFO: task ceph-mon:5715
> blocked for more than 120 seconds.
> Nov  2 21:28:12 node-172-16-0-128 kernel: "echo 0 >
> /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> Nov  2 21:28:12 node-172-16-0-128 kernel: ceph-mon        D
> 0000000006bcdc9f     0  5715      1 0x00000000
> Nov  2 21:28:12 node-172-16-0-128 kernel: ffff88080d5dfc38
> 0000000000000086 ffff8807eadec0c0 ffff8804274d60c0
> Nov  2 21:28:12 node-172-16-0-128 kernel: ffff88080d5dfc48
> 0000000000011980 0000000000011980 0000000000011980
> Nov  2 21:28:12 node-172-16-0-128 kernel: ffff88080d5dffd8
> 0000000000011980 0000000000011980 ffff88080d5dffd8
> Nov  2 21:28:12 node-172-16-0-128 kernel: Call Trace:
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630b5e>]
> schedule+0x6d/0x83
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630ee2>]
> schedule_timeout+0x36/0xe3
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630360>]
> wait_for_common+0xa0/0x105
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81048595>] ?
> try_to_wake_up+0x1ed/0x1ed
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff812462a8>] ?
> xfs_bwrite+0x4b/0x95
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ef45>] ?
> __sync_filesystem+0xa1/0xa1
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81630553>]
> wait_for_completion+0x30/0x46
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff812457c6>]
> xfs_buf_iowait+0x61/0xb9
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff812462a8>]
> xfs_bwrite+0x4b/0x95
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81254c70>]
> xfs_sync_fsdata+0x4b/0x66
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81255138>]
> xfs_quiesce_data+0x39/0xa3
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff81252b49>]
> xfs_fs_sync_fs+0x34/0x71
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ef1b>]
> __sync_filesystem+0x77/0xa1
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ef6e>]
> sync_one_sb+0x29/0x3f
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8114620e>]
> iterate_supers+0x7c/0xe3
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116ee2f>]
> sync_filesystems+0x2f/0x45
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8116f02e>]
> sys_sync+0x34/0x5a
> Nov  2 21:28:12 node-172-16-0-128 kernel: [<ffffffff8163326b>]
> system_call_fastpath+0x16/0x1b
> --
> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
--
To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to