On 05/10/13 11:17, Subranshu Patel wrote:
<reformated> Call Trace:
[<ffffffffa056c492>] xlog_wait+0x72/0x90 [xfs]
[<ffffffff81060250>] ? default_wake_function+0x0/0x20
[<ffffffffa056e08b>] xlog_grant_log_space+0x3ab/0x520 [xfs]
[<ffffffffa0582d1a>] ? kmem_zone_zalloc+0x3a/0x50 [xfs]
[<ffffffff8127f3ac>] ? random32+0x1c/0x20
[<ffffffffa057d201>] ? xfs_trans_ail_push+0x21/0x80 [xfs]
[<ffffffffa056e2e6>] xfs_log_reserve+0xe6/0x140 [xfs]
[<ffffffffa057bad0>] xfs_trans_reserve+0xa0/0x210 [xfs]
[<ffffffffa055f0a3>] xfs_fs_log_dummy+0x43/0x90 [xfs]
[<ffffffffa056c9c4>] ? xfs_log_need_covered+0x94/0xd0 [xfs]
[<ffffffffa0591831>] xfs_sync_worker+0x81/0x90 [xfs]
[<ffffffffa059171e>] xfssyncd+0x17e/0x210 [xfs]
[<ffffffffa05915a0>] ? xfssyncd+0x0/0x210 [xfs]
[<ffffffff81091d66>] kthread+0x96/0xa0
[<ffffffff8100c14a>] child_rip+0xa/0x20
[<ffffffff81091cd0>] ? kthread+0x0/0xa0
[<ffffffff8100c140>] ? child_rip+0x0/0x20
Ran out of log grant space trying to write out the dummy record in the
sync worker.
Something is not getting moved off the AIL. This could be a symptom; for
example a lock not being released could lead to depleted log space. What
else is happening on the filesystem?
--------------------->8------------
The XFS filesystem size is 14TB (LVM), kernel version 2.6.32
Machine has a memory of 96GB
Please let me know if this is a known issue and have been already
fixed in higher kernel version.
--
Subranshu
--Mark.
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