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From: Dave Chinner <david@fromorbit.com>
To: Ben Myers <bpm@sgi.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 00/37] xfs: current 3.4 patch queue
Date: Sun, 29 Apr 2012 10:21:29 +1000	[thread overview]
Message-ID: <20120429002129.GO9541@dastard> (raw)
In-Reply-To: <20120428212833.GJ16881@sgi.com>

On Sat, Apr 28, 2012 at 04:28:33PM -0500, Ben Myers wrote:
> On Fri, Apr 27, 2012 at 09:15:46PM -0500, Ben Myers wrote:
> > I want to pull this in and have been testing toward that end.  With Jan's
> > patches this seems to be working well.
> 
> Another BUG without Jan's patches:
> 
> [ 1811.832319] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038
> [ 1811.833303] IP: [<ffffffff816ef359>] _raw_spin_lock+0x9/0x30
> [ 1811.833303] PGD 128d0d067 PUD 128675067 PMD 0
> [ 1811.833303] Oops: 0002 [#1] SMP
> [ 1811.833303] CPU 2
> [ 1811.833303] Modules linked in: xfs(O) nfsd exportfs e1000e
> [ 1811.833303]
> [ 1811.833303] Pid: 12942, comm: kworker/2:15 Tainted: G           O 3.4.0-rc2+ #3 SGI.COM AltixXE310/X7DGT-INF
> [ 1811.833303] RIP: 0010:[<ffffffff816ef359>]  [<ffffffff816ef359>] _raw_spin_lock+0x9/0x30
> [ 1811.833303] RSP: 0018:ffff880129235b40  EFLAGS: 00010286
> [ 1811.833303] RAX: 0000000000000100 RBX: ffff880128685480 RCX: 0000000000000000
> [ 1811.833303] RDX: 0000000f00004cb5 RSI: ffff880128685480 RDI: 0000000000000038
> [ 1811.833303] RBP: ffff880129235b40 R08: ffff88012870ab00 R09: 0000000000000000
> [ 1811.833303] R10: 0000000000000400 R11: 0000000000000001 R12: ffff88012870ad80
> [ 1811.833303] R13: ffff880126e5c180 R14: ffff880126e5c1b0 R15: ffff880128f48780
> [ 1811.833303] FS:  0000000000000000(0000) GS:ffff88012fd00000(0000) knlGS:0000000000000000
> [ 1811.833303] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 1811.833303] CR2: 0000000000000038 CR3: 0000000128aa2000 CR4: 00000000000007e0
> [ 1811.833303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 1811.833303] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [ 1811.833303] Process kworker/2:15 (pid: 12942, threadinfo ffff880129234000, task ffff88012ab83a80)
> [ 1811.833303] Stack:
> [ 1811.833303]  ffff880129235cd0 ffffffffa00b8531 0000000000000000 0000000000001000
> [ 1811.833303]  0000000000000000 0000000f00004cb5 0000000000000000 0000000000000038
> [ 1811.833303]  0000000000000001 0000000000000000 0000000000000000 0000000000000000
> [ 1811.833303] Call Trace:
> [ 1811.833303]  [<ffffffffa00b8531>] xfs_trans_committed_bulk+0x41/0x300 [xfs]
> [ 1811.833303]  [<ffffffff81068c3e>] ? try_to_wake_up+0x1fe/0x280
> [ 1811.833303]  [<ffffffffa00be4f6>] xlog_cil_committed+0x36/0x130 [xfs]
> [ 1811.833303]  [<ffffffffa00ba07d>] xlog_state_do_callback+0x16d/0x390 [xfs]
> [ 1811.833303]  [<ffffffffa00ba387>] xlog_state_done_syncing+0xe7/0x110 [xfs]
> [ 1811.833303]  [<ffffffffa00bab8e>] xlog_iodone+0x7e/0x100 [xfs]
> [ 1811.833303]  [<ffffffffa00562d1>] xfs_buf_iodone_work+0x21/0x50 [xfs]
> [ 1811.833303]  [<ffffffff81051498>] process_one_work+0x158/0x440

Look slike the same thing - a NULL ailp, which implies the callback
occurred while the log is being torn down..

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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  reply	other threads:[~2012-04-29  0:47 UTC|newest]

Thread overview: 96+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-23  5:58 [PATCH 00/37] xfs: current 3.4 patch queue Dave Chinner
2012-04-23  5:58 ` [PATCH 01/37] xfs: remove log item from AIL in xfs_qm_dqflush after a shutdown Dave Chinner
2012-04-23  5:58 ` [PATCH 02/37] xfs: remove log item from AIL in xfs_iflush " Dave Chinner
2012-04-23 15:39   ` Mark Tinguely
2012-04-23  5:58 ` [PATCH 03/37] xfs: allow assigning the tail lsn with the AIL lock held Dave Chinner
2012-04-23  5:58 ` [PATCH 04/37] xfs: implement freezing by emptying the AIL Dave Chinner
2012-04-23 15:40   ` Mark Tinguely
2012-04-29 21:43   ` Christoph Hellwig
2012-04-23  5:58 ` [PATCH 05/37] xfs: don't flush inodes from background inode reclaim Dave Chinner
2012-04-23  5:58 ` [PATCH 06/37] xfs: do not write the buffer from xfs_iflush Dave Chinner
2012-04-23  5:58 ` [PATCH 07/37] xfs: do not write the buffer from xfs_qm_dqflush Dave Chinner
2012-04-23  5:58 ` [PATCH 08/37] xfs: do not add buffers to the delwri queue until pushed Dave Chinner
2012-04-23  5:58 ` [PATCH 09/37] xfs: on-stack delayed write buffer lists Dave Chinner
2012-04-25 18:34   ` Mark Tinguely
2012-04-29 21:44   ` Christoph Hellwig
2012-04-23  5:58 ` [PATCH 10/37] xfs: remove some obsolete comments in xfs_trans_ail.c Dave Chinner
2012-04-23 15:41   ` Mark Tinguely
2012-04-23  5:58 ` [PATCH 11/37] xfs: pass shutdown method into xfs_trans_ail_delete_bulk Dave Chinner
2012-04-23  5:58 ` [PATCH 12/37] xfs: Do background CIL flushes via a workqueue Dave Chinner
2012-04-23  7:54   ` [PATCH 12/37 V2] " Dave Chinner
2012-04-29 21:46     ` Christoph Hellwig
2012-04-23  5:58 ` [PATCH 13/37] xfs: page type check in writeback only checks last buffer Dave Chinner
2012-04-23  5:58 ` [PATCH 14/37] xfs: Use preallocation for inodes with extsz hints Dave Chinner
2012-04-29 21:47   ` Christoph Hellwig
2012-04-23  5:58 ` [PATCH 15/37] xfs: fix buffer lookup race on allocation failure Dave Chinner
2012-04-23  5:58 ` [PATCH 16/37] xfs: check for buffer errors before waiting Dave Chinner
2012-04-23  5:58 ` [PATCH 17/37] xfs: fix incorrect b_offset initialisation Dave Chinner
2012-04-23  5:58 ` [PATCH 18/37] xfs: use kmem_zone_zalloc for buffers Dave Chinner
2012-04-23  5:58 ` [PATCH 19/37] xfs: clean up buffer get/read call API Dave Chinner
2012-04-23  5:58 ` [PATCH 20/37] xfs: kill b_file_offset Dave Chinner
2012-04-23  5:58 ` [PATCH 21/37] xfs: use blocks for counting length of buffers Dave Chinner
2012-04-23  5:58 ` [PATCH 22/37] xfs: use blocks for storing the desired IO size Dave Chinner
2012-04-23  5:58 ` [PATCH 23/37] xfs: kill xfs_buf_btoc Dave Chinner
2012-04-23  5:58 ` [PATCH 24/37] xfs: kill XBF_LOCK Dave Chinner
2012-04-23  5:58 ` [PATCH 25/37] xfs: kill xfs_read_buf() Dave Chinner
2012-04-23  5:58 ` [PATCH 26/37] xfs: kill XBF_DONTBLOCK Dave Chinner
2012-04-23  5:58 ` [PATCH 27/37] xfs: use iolock on XFS_IOC_ALLOCSP calls Dave Chinner
2012-04-23  5:58 ` [PATCH 28/37] xfs: move xfsagino_t to xfs_types.h Dave Chinner
2012-04-23 15:43   ` Mark Tinguely
2012-04-24 15:10   ` Mark Tinguely
2012-04-29 21:49   ` Christoph Hellwig
2012-04-30  0:32     ` Dave Chinner
2012-04-23  5:58 ` [PATCH 29/37] xfs: move busy extent handling to it's own file Dave Chinner
2012-04-23 17:57   ` Ben Myers
2012-04-24  0:25     ` [PATCH 29/37 V2] " Dave Chinner
2012-04-24 15:56       ` Mark Tinguely
2012-04-24 18:10         ` Mark Tinguely
2012-04-29 10:39           ` [PATCH 29/37 V3] " Dave Chinner
2012-04-29 21:50             ` Christoph Hellwig
2012-04-30  0:36               ` Dave Chinner
2012-04-30  2:17                 ` Dave Chinner
2012-04-23  5:59 ` [PATCH 30/37] xfs: clean up busy extent naming Dave Chinner
2012-04-24 18:11   ` Mark Tinguely
2012-04-29 10:41     ` [PATCH 30/37 V2] " Dave Chinner
2012-04-29 21:50       ` Christoph Hellwig
2012-04-23  5:59 ` [PATCH 31/37] xfs: move xfs_fsb_to_db to xfs_bmap.h Dave Chinner
2012-04-24 19:24   ` Mark Tinguely
2012-04-29 21:53   ` Christoph Hellwig
2012-04-30  2:31     ` Dave Chinner
2012-04-23  5:59 ` [PATCH 32/37] xfs: move xfs_get_extsz_hint() and kill xfs_rw.h Dave Chinner
2012-04-24 19:30   ` Mark Tinguely
2012-04-29 21:53   ` Christoph Hellwig
2012-04-23  5:59 ` [PATCH 33/37] xfs: move xfs_do_force_shutdown() and kill xfs_rw.c Dave Chinner
2012-04-24 19:37   ` Mark Tinguely
2012-04-29 21:54   ` Christoph Hellwig
2012-04-30  2:38     ` Dave Chinner
2012-04-23  5:59 ` [PATCH 34/37] xfs: clean up xfs_bit.h includes Dave Chinner
2012-04-24 19:44   ` Mark Tinguely
2012-04-29 21:55   ` Christoph Hellwig
2012-04-30  2:40     ` Dave Chinner
2012-04-23  5:59 ` [PATCH 35/37] xfs: Properly exclude IO type flags from buffer flags Dave Chinner
2012-04-24 20:02   ` Mark Tinguely
2012-04-29 21:55   ` Christoph Hellwig
2012-04-23  5:59 ` [PATCH 36/37] xfs: flush outstanding buffers on log mount failure Dave Chinner
2012-04-23 15:47   ` Mark Tinguely
2012-04-29 21:55   ` Christoph Hellwig
2012-04-23  5:59 ` [PATCH 37/37] xfs: make XBF_MAPPED the default behaviour Dave Chinner
2012-04-25 18:35   ` Mark Tinguely
2012-04-25 20:09   ` Mark Tinguely
2012-04-25 22:33     ` Dave Chinner
2012-04-29 21:57   ` Christoph Hellwig
2012-04-30  2:45     ` Dave Chinner
2012-04-23 18:01 ` [PATCH 00/37] xfs: current 3.4 patch queue Ben Myers
2012-04-23 23:29   ` Dave Chinner
2012-04-30 14:24     ` Ben Myers
2012-04-28  2:15 ` Ben Myers
2012-04-28 21:28   ` Ben Myers
2012-04-29  0:21     ` Dave Chinner [this message]
2012-04-29  0:14   ` Dave Chinner
2012-04-30 14:44     ` Ben Myers
2012-04-30 23:04       ` Dave Chinner
2012-04-30 14:32 ` Assertion failed: RB_EMPTY_NODE(&bp->b_rbnode) Ben Myers
2012-04-30 23:12   ` Dave Chinner
2012-04-30 14:34 ` [PATCH 00/37] xfs: current 3.4 patch queue Ben Myers
2012-04-30 23:20   ` Dave Chinner
2012-04-30 19:25 ` Christoph Hellwig

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