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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: Tue, 13 Apr 2010 10:00:17 +0200
Cc: <xiyou.wangcong@xxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <kamezawa.hiroyu@xxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, <xfs@xxxxxxxxxxx>, <axboe@xxxxxxxxx>
References: <t2h2375c9f91004010337p618c4d5yc739fa25b5f842fa@xxxxxxxxxxxxxx> <1fe901cad2b0$d39d0300$0400a8c0@dcccs> <20100402230905.GW3335@dastard> <22c901cad333$7a67db60$0400a8c0@dcccs> <20100404103701.GX3335@dastard> <2bd101cad4ec$5a425f30$0400a8c0@dcccs> <20100405224522.GZ3335@dastard> <3a5f01cad6c5$8a722c00$0400a8c0@dcccs> <20100408025822.GL11036@dastard> <11b701cad9c8$93212530$0400a8c0@dcccs> <20100412001158.GA2493@dastard>

----- 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: Monday, April 12, 2010 2:11 AM
Subject: Re: Kernel crash in xfs_iflush_cluster (was Somebody take a look please!...)


On Mon, Apr 12, 2010 at 12:44:37AM +0200, Janos Haar wrote:
Hi,

Ok, here comes the funny part:
I have got several messages from the kernel about one of my XFS
(sdb2) have corrupted inodes, but my xfs_repair (v. 2.8.11) says the
FS is clean and shine.
Should i upgrade my xfs_repair, or this is another bug? :-)

v2.8.11 is positively ancient. :/

I'd upgrade (current is 3.1.1) and re-run repair again.

OK, i will get the new repair today.

btw
Since i tested the FS with the 2.8.11, today morning i found this in the log:

...
Apr 12 00:41:10 alfa kernel: XFS mounting filesystem sdb2 # This was the point of check with xfs_repair v2.8.11
Apr 13 03:08:33 alfa kernel: xfs_da_do_buf: bno 32768
Apr 13 03:08:33 alfa kernel: dir: inode 474253931
Apr 13 03:08:33 alfa kernel: Filesystem "sdb2": XFS internal error xfs_da_do_buf(1) at line 2020 of file fs/xfs/xfs_da_btree.c. Caller 0xffffffff811c4fa6
Apr 13 03:08:33 alfa kernel:
Apr 13 03:08:33 alfa kernel: Pid: 27304, comm: 01vegzet_runner Not tainted 2.6.32.10 #3
Apr 13 03:08:33 alfa kernel: Call Trace:
Apr 13 03:08:33 alfa kernel: [<ffffffff811cf87d>] xfs_error_report+0x41/0x43 Apr 13 03:08:33 alfa kernel: [<ffffffff811c4fa6>] ? xfs_da_read_buf+0x2a/0x2c
Apr 13 03:08:33 alfa kernel:  [<ffffffff811c4c30>] xfs_da_do_buf+0x2a6/0x5aa
Apr 13 03:08:33 alfa kernel:  [<ffffffff811c4fa6>] xfs_da_read_buf+0x2a/0x2c
Apr 13 03:08:33 alfa kernel: [<ffffffff811ca0f1>] ? xfs_dir2_leaf_lookup_int+0x104/0x259 Apr 13 03:08:33 alfa kernel: [<ffffffff811ca0f1>] xfs_dir2_leaf_lookup_int+0x104/0x259 Apr 13 03:08:33 alfa kernel: [<ffffffff811ca56e>] xfs_dir2_leaf_lookup+0x26/0xb5 Apr 13 03:08:33 alfa kernel: [<ffffffff811c6d60>] ? xfs_dir2_isleaf+0x21/0x52 Apr 13 03:08:33 alfa kernel: [<ffffffff811c74ea>] xfs_dir_lookup+0x104/0x157
Apr 13 03:08:33 alfa kernel:  [<ffffffff811eab59>] xfs_lookup+0x50/0xb3
Apr 13 03:08:33 alfa kernel:  [<ffffffff811f5a8f>] xfs_vn_lookup+0x45/0x86
Apr 13 03:08:33 alfa kernel:  [<ffffffff810e4164>] __lookup_hash+0x105/0x12a
Apr 13 03:08:33 alfa kernel:  [<ffffffff810e41c4>] lookup_hash+0x3b/0x40
Apr 13 03:08:33 alfa kernel:  [<ffffffff810e7021>] do_unlinkat+0x71/0x17d
Apr 13 03:08:33 alfa kernel: [<ffffffff8175d2d3>] ? trace_hardirqs_on_thunk+0x3a/0x3f
Apr 13 03:08:33 alfa kernel:  [<ffffffff810e5a1d>] ? putname+0x3c/0x3e
Apr 13 03:08:33 alfa kernel:  [<ffffffff810e7143>] sys_unlink+0x16/0x18
Apr 13 03:08:33 alfa kernel: [<ffffffff8100b09b>] system_call_fastpath+0x16/0x1b
....

The entire log is here:
http://download.netcenter.hu/bughunt/20100413/messages

What is the best next step?
Check with the new repair?

Thanks,
Janos



Cheers,

Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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