linux-kernel - 3.8-rc5 xfs corruption

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Date:	Wed, 30 Jan 2013 22:16:47 -0500 (EST)
From:	CAI Qian <caiqian@...hat.com>
To:	xfs@....sgi.com, linux-xfs@...r.kernel.org
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: 3.8-rc5 xfs corruption

Hello,

(Sorry to post to xfs mailing lists but unsure about which one is the
best for this.)

I have seen something like this once during testing on a system with a
EMC VNX FC/multipath back-end. Kernel config file is here,
http://people.redhat.com/qcai/stable/.config

[ 3025.063024] ffff8801a0d50000: 2e 2e 2f 2e 2e 2f 75 73 72 2f 6c 69 62 2f 6d 6f  ../../usr/lib/mo 
[ 3025.071743] XFS (dm-1): Internal error xfs_bmbt_verify at line 747 of file fs/xfs/xfs_bmap_btree.c.  Caller 0xffffffffa01c375e 
[ 3025.071743]  
[ 3025.084589] Pid: 275, comm: xfsaild/dm-1 Tainted: GF            3.8.0-rc5 #1 
[ 3025.091636] Call Trace: 
[ 3025.094176]  [<ffffffffa019910f>] xfs_error_report+0x3f/0x50 [xfs] 
[ 3025.100415]  [<ffffffffa01c375e>] ? xfs_bmbt_write_verify+0xe/0x10 [xfs] 
[ 3025.107163]  [<ffffffffa019917e>] xfs_corruption_error+0x5e/0x90 [xfs] 
[ 3025.113744]  [<ffffffffa01c375e>] ? xfs_bmbt_write_verify+0xe/0x10 [xfs] 
[ 3025.120495]  [<ffffffffa01c3606>] xfs_bmbt_verify+0x76/0x1c0 [xfs] 
[ 3025.126737]  [<ffffffffa01c375e>] ? xfs_bmbt_write_verify+0xe/0x10 [xfs] 
[ 3025.133481]  [<ffffffffa01975e5>] ? xfs_bdstrat_cb+0x65/0xd0 [xfs] 
[ 3025.139714]  [<ffffffffa01c375e>] xfs_bmbt_write_verify+0xe/0x10 [xfs] 
[ 3025.146287]  [<ffffffffa019713e>] _xfs_buf_ioapply+0x5e/0x370 [xfs] 
[ 3025.152565]  [<ffffffff81097c70>] ? try_to_wake_up+0x2d0/0x2d0 
[ 3025.158442]  [<ffffffffa01975e5>] ? xfs_bdstrat_cb+0x65/0xd0 [xfs] 
[ 3025.164669]  [<ffffffffa019752a>] xfs_buf_iorequest+0x4a/0xa0 [xfs] 
[ 3025.170979]  [<ffffffffa01975e5>] xfs_bdstrat_cb+0x65/0xd0 [xfs] 
[ 3025.177032]  [<ffffffffa01977c1>] __xfs_buf_delwri_submit+0x171/0x1e0 [xfs] 
[ 3025.184038]  [<ffffffffa0198110>] ? xfs_buf_delwri_submit_nowait+0x20/0x30 [xfs] 
[ 3025.191491]  [<ffffffffa01f1100>] ? xfs_trans_ail_cursor_first+0x80/0xb0 [xfs] 
[ 3025.198755]  [<ffffffffa0198110>] xfs_buf_delwri_submit_nowait+0x20/0x30 [xfs] 
[ 3025.206030]  [<ffffffffa01f1352>] xfsaild+0x222/0x5e0 [xfs] 
[ 3025.211665]  [<ffffffffa01f1130>] ? xfs_trans_ail_cursor_first+0xb0/0xb0 [xfs] 
[ 3025.218890]  [<ffffffff81085b10>] kthread+0xc0/0xd0 
[ 3025.223784]  [<ffffffff81085a50>] ? kthread_create_on_node+0x120/0x120 
[ 3025.230317]  [<ffffffff816176ec>] ret_from_fork+0x7c/0xb0 
[ 3025.235721]  [<ffffffff81085a50>] ? kthread_create_on_node+0x120/0x120 
[ 3025.242248] XFS (dm-1): Corruption detected. Unmount and run xfs_repair 
[ 3025.248865] XFS (dm-1): xfs_do_force_shutdown(0x8) called from line 1340 of file fs/xfs/xfs_buf.c.  Return address = 0xffffffffa0197411 

Does this ring any bell?

Regards,
CAI Qian
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