Re: RESEND: xattr issue with 3.11 kernel

From: Dave Chinner <david@fromorbit.com>
To: David Zafman <david.zafman@inktank.com>
Cc: ceph-devel@vger.kernel.org, xfs@oss.sgi.com
Subject: Re: RESEND: xattr issue with 3.11 kernel
Date: Sat, 5 Oct 2013 07:04:11 +1000	[thread overview]
Message-ID: <20131004210411.GJ4446@dastard> (raw)
In-Reply-To: <ED5C1C84-614E-4EBB-A966-BBCD9CE89373@inktank.com>

On Fri, Oct 04, 2013 at 01:48:17PM -0700, David Zafman wrote:
> 
> <<Plain Text>>
> 
> This was also seen on a customized 3.10 kernel, but didn't reproduce on the Ubuntu 13.04 packaged 3.8 kernel.
> 
> $ cat /etc/issue
> Ubuntu 13.04 \n \l
> $ uname -a
> Linux ubuntu 3.11.0-031100-generic #201309021735 SMP Mon Sep 2 21:36:21 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
> $ mount | grep /mnt
> /dev/sdb on /mnt type xfs (rw)
> $ ./xattr-test.sh /mnt/foo 10240
> 8
> 16
> 32
> 64
> 128
> 256
> 512
> 1024
> 2048
> setfattr: /mnt/foo: Structure needs cleaning
> failure to remove user.test1557
> 
> ffff88003a005000: 46 c4 4f 2f 00 00 06 b5 46 c4 4f a6 00 00 06 b4  F.O/....F.O.....
> ffff88003a005010: 46 c4 4f a7 00 00 06 b3 46 c4 4f a8 00 00 06 b2  F.O.....F.O.....
> ffff88003a005020: 46 c4 4f a9 00 00 06 b1 46 c4 4f aa 00 00 06 b0  F.O.....F.O.....
> ffff88003a005030: 46 c4 4f ab 00 00 06 af 46 c4 4f ac 00 00 06 ae  F.O.....F.O.....
> XFS (sdb): Internal error xfs_da_do_buf(2) at line 2694 of file /home/apw/COD/linux/fs/xfs/xfs_da_btree.c.  Caller 0xffffffffa0304423
> 
> CPU: 0 PID: 35058 Comm: setfattr Not tainted 3.11.0-031100-generic #201309021735
> Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/31/2013
>  0000000000000001 ffff8800354ab9f8 ffffffff81720fca 0000000000000007
>  ffff88003a27b800 ffff8800354aba18 ffffffffa02cd27f ffffffffa0304423
>  0000000000000001 ffff8800354aba58 ffffffffa02cd2ee 0000000000000002
> Call Trace:
>  [<ffffffff81720fca>] dump_stack+0x46/0x58
>  [<ffffffffa02cd27f>] xfs_error_report+0x3f/0x50 [xfs]
>  [<ffffffffa0304423>] ? xfs_da3_node_read+0x23/0xd0 [xfs]
>  [<ffffffffa02cd2ee>] xfs_corruption_error+0x5e/0x90 [xfs]
>  [<ffffffffa030438a>] xfs_da_read_buf+0x1ba/0x230 [xfs]
>  [<ffffffffa0304423>] ? xfs_da3_node_read+0x23/0xd0 [xfs]
>  [<ffffffffa0332127>] ? xfs_trans_log_buf+0x97/0x100 [xfs]
>  [<ffffffffa0304423>] xfs_da3_node_read+0x23/0xd0 [xfs]
>  [<ffffffffa030608c>] xfs_da3_blk_unlink.isra.13+0x16c/0x1e0 [xfs]
>  [<ffffffffa030633f>] xfs_da3_join+0x9f/0x240 [xfs]
>  [<ffffffffa02e6872>] xfs_attr_node_removename+0x192/0x300 [xfs]

You are probably hitting the problem fixed in commit 997def2 ("xfs:
fix node forward in xfs_node_toosmall") which went into 3.12-rc3.
Can you test that this fixes your problem, ad if so, we'll need to
push it back to -stable kernels..

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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