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Re: Kernel crash in xfs_iflush_cluster (was Somebody take a look please!

To: "Dave Chinner" <david@xxxxxxxxxxxxx>
Subject: Re: Kernel crash in xfs_iflush_cluster (was Somebody take a look please!...)
From: "Janos Haar" <janos.haar@xxxxxxxxxxxx>
Date: Thu, 8 Apr 2010 04:45:13 +0200
Cc: <xiyou.wangcong@xxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <kamezawa.hiroyu@xxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, <xfs@xxxxxxxxxxx>, <axboe@xxxxxxxxx>
References: <2375c9f91003242029p1efbbea1v8e313e460b118f14@xxxxxxxxxxxxxx> <20100325153110.6be9a3df.kamezawa.hiroyu@xxxxxxxxxxxxxx> <02c101cacbf8$d21d1650$0400a8c0@dcccs> <179901cad182$5f87f620$0400a8c0@dcccs> <t2h2375c9f91004010337p618c4d5yc739fa25b5f842fa@xxxxxxxxxxxxxx> <1fe901cad2b0$d39d0300$0400a8c0@dcccs> <20100402230905.GW3335@dastard> <22c901cad333$7a67db60$0400a8c0@dcccs> <20100404103701.GX3335@dastard> <2bd101cad4ec$5a425f30$0400a8c0@dcccs> <20100405224522.GZ3335@dastard>
Hello,

Sorry, but still have the problem with 2.6.33.2.

Apr 8 03:04:51 alfa kernel: BUG: unable to handle kernel paging request at 000000610000008c Apr 8 03:04:51 alfa kernel: IP: [<ffffffff811f17c4>] xfs_iflush_cluster+0x148/0x35a
Apr  8 03:04:51 alfa kernel: PGD 22258a067 PUD 0
Apr  8 03:04:51 alfa kernel: Oops: 0000 [#1] SMP
Apr  8 03:04:51 alfa kernel: last sysfs file: /sys/class/misc/rfkill/dev
Apr  8 03:04:51 alfa kernel: CPU 2
Apr 8 03:04:51 alfa kernel: Pid: 3049, comm: xfssyncd Not tainted 2.6.33.2 #1 DP35DP/ Apr 8 03:04:51 alfa kernel: RIP: 0010:[<ffffffff811f17c4>] [<ffffffff811f17c4>] xfs_iflush_cluster+0x148/0x35a
Apr  8 03:04:51 alfa kernel: RSP: 0018:ffff880228e3bca0  EFLAGS: 00010206
Apr 8 03:04:51 alfa kernel: RAX: 0000006100000000 RBX: ffff880153795750 RCX: 000000000000001a Apr 8 03:04:51 alfa kernel: RDX: 0000000000000020 RSI: 00000000003dfdf4 RDI: 0000000000000005 Apr 8 03:04:51 alfa kernel: RBP: ffff880228e3bd10 R08: ffff880228e3bc60 R09: ffff8801c5d6e1b8 Apr 8 03:04:51 alfa kernel: R10: 00000000003dfdf4 R11: 0000000000000005 R12: 000000000000001a Apr 8 03:04:51 alfa kernel: R13: ffff8800b1d920d8 R14: ffff88022a7cabe0 R15: 00000000003ddf80 Apr 8 03:04:51 alfa kernel: FS: 0000000000000000(0000) GS:ffff880028300000(0000) knlGS:0000000000000000 Apr 8 03:04:51 alfa kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Apr 8 03:04:51 alfa kernel: CR2: 000000610000008c CR3: 00000002222db000 CR4: 00000000000006e0 Apr 8 03:04:51 alfa kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 8 03:04:51 alfa kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Apr 8 03:04:51 alfa kernel: Process xfssyncd (pid: 3049, threadinfo ffff880228e3a000, task ffff880228e66040)
Apr  8 03:04:51 alfa kernel: Stack:
Apr 8 03:04:51 alfa kernel: ffff8800b1d920d8 ffff8800466bc100 ffff880228c32580 ffffffffffffffe0 Apr 8 03:04:51 alfa kernel: <0> 0000000000000020 ffff880228e24930 0000002028e3bd10 0000000300000000 Apr 8 03:04:51 alfa kernel: <0> ffff880228e24948 ffff8800b1d920d8 0000000000000002 ffff8800466bc100
Apr  8 03:04:51 alfa kernel: Call Trace:
Apr  8 03:04:51 alfa kernel:  [<ffffffff811f1bcd>] xfs_iflush+0x1f7/0x2aa
Apr  8 03:04:51 alfa kernel:  [<ffffffff811ecc12>] ? xfs_ilock+0x66/0xb7
Apr 8 03:04:51 alfa kernel: [<ffffffff81214653>] xfs_reclaim_inode+0xba/0xee Apr 8 03:04:51 alfa kernel: [<ffffffff8121498d>] xfs_inode_ag_walk+0x91/0xd7 Apr 8 03:04:51 alfa kernel: [<ffffffff81214599>] ? xfs_reclaim_inode+0x0/0xee Apr 8 03:04:51 alfa kernel: [<ffffffff81214a30>] xfs_inode_ag_iterator+0x5d/0x8f Apr 8 03:04:51 alfa kernel: [<ffffffff81214599>] ? xfs_reclaim_inode+0x0/0xee Apr 8 03:04:51 alfa kernel: [<ffffffff81214a81>] xfs_reclaim_inodes+0x1f/0x21
Apr  8 03:04:51 alfa kernel:  [<ffffffff81214ab6>] xfs_sync_worker+0x33/0x6f
Apr  8 03:04:51 alfa kernel:  [<ffffffff812144cf>] xfssyncd+0x149/0x198
Apr  8 03:04:51 alfa kernel:  [<ffffffff81214386>] ? xfssyncd+0x0/0x198
Apr  8 03:04:51 alfa kernel:  [<ffffffff81057061>] kthread+0x82/0x8a
Apr 8 03:04:51 alfa kernel: [<ffffffff81002fd4>] kernel_thread_helper+0x4/0x10
Apr  8 03:04:51 alfa kernel:  [<ffffffff8179217c>] ? restore_args+0x0/0x30
Apr  8 03:04:51 alfa kernel:  [<ffffffff81056fdf>] ? kthread+0x0/0x8a
Apr 8 03:04:51 alfa kernel: [<ffffffff81002fd0>] ? kernel_thread_helper+0x0/0x10 Apr 8 03:04:51 alfa kernel: Code: 8e eb 01 00 00 b8 01 00 00 00 48 d3 e0 ff c8 23 43 18 48 23 45 a8 4c 39 f8 0f 85 ae 00 00 00 48 8b 83 80 00 00 00 48 85 c0
74 0b <66> f7 80 8c 00 00 00 ff 01 75 13 80 bb 0a 02 00 00 00 75 0a 8b
Apr 8 03:04:51 alfa kernel: RIP [<ffffffff811f17c4>] xfs_iflush_cluster+0x148/0x35a
Apr  8 03:04:51 alfa kernel:  RSP <ffff880228e3bca0>
Apr  8 03:04:51 alfa kernel: CR2: 000000610000008c
Apr  8 03:04:51 alfa kernel: ---[ end trace d1fc6fbf3568ba3f ]---
Apr  8 04:41:11 alfa syslogd 1.4.1: restart.


----- Original Message ----- From: "Dave Chinner" <david@xxxxxxxxxxxxx>
To: "Janos Haar" <janos.haar@xxxxxxxxxxxx>
Cc: <xiyou.wangcong@xxxxxxxxx>; <linux-kernel@xxxxxxxxxxxxxxx>; <kamezawa.hiroyu@xxxxxxxxxxxxxx>; <linux-mm@xxxxxxxxx>; <xfs@xxxxxxxxxxx>; <axboe@xxxxxxxxx>
Sent: Tuesday, April 06, 2010 12:45 AM
Subject: Re: Kernel crash in xfs_iflush_cluster (was Somebody take a look please!...)


On Mon, Apr 05, 2010 at 08:17:27PM +0200, Janos Haar wrote:
Dave,

Thank you for your answer.
Like i sad before, this is a productive server with important service.
Can you please send the fix for me as soon as it is done even for
testing it....
Or point me to the right direction to get it?

It's in 2.6.33 if you want to upgrade the kernel, or you if don't
want to wait for the next 2.6.32.x kernel, you can apply this series
of 19 patches yourself:

http://oss.sgi.com/archives/xfs/2010-03/msg00125.html

Cheers,

Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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