linux-kernel - Re: Linux 2.6.31.10

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Date:	Thu, 7 Jan 2010 14:02:13 -0800
From:	Greg KH <gregkh@...e.de>
To:	Thomas Voegtle <tv@...96.de>
Cc:	Jan Kara <jack@...e.cz>, Theodore Ts'o <tytso@....edu>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org,
	dmonakhov@...nvz.org
Subject: Re: Linux 2.6.31.10

On Thu, Jan 07, 2010 at 09:42:52PM +0100, Thomas Voegtle wrote:
> 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@...nvz.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 ]---

Well, that's good, at least things are now consistant :)

Jan, I think this is all yours...

greg k-h
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