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Date: Thu, 7 Jan 2010 21:42:52 +0100 (CET)
From: Thomas Voegtle <tv@lio96.de>
To: Greg KH <gregkh@suse.de>
cc: Jan Kara <jack@suse.cz>, "Theodore Ts'o" <tytso@mit.edu>,
       linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>,
       torvalds@linux-foundation.org, stable@kernel.org, dmonakhov@openvz.org
Subject: Re: Linux 2.6.31.10
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On Thu, 7 Jan 2010, Thomas Voegtle wrote:

> Done, between 2.6.31.9 and 2.6.31.11
>
>
> c169e13a6662cbf36fc0098508e7aa31b49cbf23 is first bad commit
> commit c169e13a6662cbf36fc0098508e7aa31b49cbf23
> Author: Dmitry Monakhov <dmonakhov@openvz.org>
> Date:   Mon Dec 14 15:21:13 2009 +0300
>
>    quota: decouple fs reserved space from quota reservation
>
>    commit fd8fbfc1709822bd94247c5b2ab15a5f5041e103 upstream.
>
>
>
> Reverting that patch on top of 2.6.31.11 fixes the problem for me.


Funny thing, I have the problem with 2.6.33-rc3, too:


------------[ cut here ]------------
kernel BUG at fs/quota/dquot.c:1350!
invalid opcode: 0000 [#1]
last sysfs file: /sys/devices/pci0000:00/0000:00:1f.5/modalias

Pid: 3061, comm: rpm Not tainted 2.6.33-rc3-BIG #73 P3TSSA/P3TSSA
EIP: 0060:[<c10c05d8>] EFLAGS: 00010246 CPU: 0
EIP is at inode_reserved_space+0x13/0x1b
EAX: cf25b5c4 EBX: cf25b5c4 ECX: 00000000 EDX: 00000000
ESI: cf25b5c4 EDI: 00000000 EBP: d3536ebc ESP: d3536ebc
  DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
Process rpm (pid: 3061, ti=d3536000 task=d5c50000 task.ti=d3536000)
Stack:
  d3536f1c c10c246a d79a4b00 d3536edc c10a4884 d3536ef4 c10c1fea 00000000
<0> 00000000 00000000 00000064 cf25b5c4 cf25b5c4 d701c800 d3536f1c 
00000000
<0> d766b000 00000000 00000000 d766b0a0 0000b140 cf25b5c4 d3536f58 
ffffff86
Call Trace:
  [<c10c246a>] ? dquot_transfer+0xf2/0x48b
  [<c10a4884>] ? mntput_no_expire+0x19/0x6c
  [<c10c1fea>] ? dqget+0x210/0x260
  [<c10c05aa>] ? vfs_dq_transfer+0x5f/0x7a
  [<c10a2edd>] ? notify_change+0x177/0x25e
  [<c10930c8>] ? chown_common+0x5e/0x70
  [<c10931fe>] ? sys_lchown+0x3d/0x58
  [<c10212a7>] ? sysenter_do_call+0x12/0x2c
Code: c0 0f b6 c0 eb 02 31 c0 5b 5e 5d c3 a8 08 75 b0 eb f4 a8 08 75 c9 eb 
d5 55 8b 90 90 00 00 00 89 e5 8b 52 24 8b 52 44 85 d2 75 04 <0f> 0b eb fe 
ff d2 5d c3 55 89 e5 57 89 c7 56 53 83 ec 1c 8b 35
EIP: [<c10c05d8>] inode_reserved_space+0x13/0x1b SS:ESP 0068:d3536ebc
---[ end trace 0cbcf5a4693c0845 ]---

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