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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*XFS\s+hang\s+in\s+xlog_grant_log_space\s*$/: 5 ]

Total 5 documents matching your query.

1. Re: XFS hang in xlog_grant_log_space (score: 1)
Author: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 28 Jul 2010 00:58:09 +1000
Ok, I've just reproduced it. From some tracing: touch-3340 [004] 1844935.582716: xfs_log_reserve: dev 1:0 type CREATE t_ocnt 2 t_cnt 2 t_curr_res 167148 t_unit_res 167148 t_flags XLOG_TIC_INITED|XLOG
/archives/xfs/2010-07/msg00364.html (12,566 bytes)

2. Re: XFS hang in xlog_grant_log_space (score: 1)
Author: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 28 Jul 2010 23:17:44 +1000
Ok, so I got a trace of all the inode and buffer locking and log item operations, and the reason the hang has occurred can bee seen here: dbench-3084 [007] 1877156.395784: xfs_buf_item_unlock_stale:
/archives/xfs/2010-07/msg00379.html (20,605 bytes)

3. Re: XFS hang in xlog_grant_log_space (score: 1)
Author: Nick Piggin <npiggin@xxxxxxx>
Date: Fri, 30 Jul 2010 00:05:46 +1000
I've seen that one a couple of times too. Keeps coming back each time you echo 3 > /proc/sys/vm/drop_caches :) I reproduced it with fs_stress now too. Any patches I could test for you just let me kno
/archives/xfs/2010-07/msg00383.html (10,131 bytes)

4. Re: XFS hang in xlog_grant_log_space (score: 1)
Author: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Fri, 30 Jul 2010 08:56:58 +1000
Yup - it's an unflushable inode that is pinning the tail of the log, hence causing the log space hangs. You should see them in a few minutes ;) Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
/archives/xfs/2010-06/msg00362.html (9,975 bytes)

5. Re: XFS hang in xlog_grant_log_space (score: 1)
Author: Nick Piggin <npiggin@xxxxxxxxx>
Date: Fri, 30 Jul 2010 13:59:55 +1000
It's certainly not locking up like it used to... Thanks!
/archives/xfs/2010-06/msg00368.html (10,714 bytes)

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