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Message-ID: <alpine.LFD.2.00.1207181137190.2291@dhcp-1-248.brq.redhat.com>
Date: Wed, 18 Jul 2012 11:40:38 +0200 (CEST)
From: Lukáš Czerner <lczerner@...hat.com>
To: Akira Fujita <a-fujita@...jp.nec.com>
cc: Theodore Tso <tytso@....edu>,
ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [BUG] ext4: i_size, EOFBLOCKS_FS corruption with xfstests 269
On Wed, 18 Jul 2012, Akira Fujita wrote:
> Date: Wed, 18 Jul 2012 16:58:11 +0900
> From: Akira Fujita <a-fujita@...jp.nec.com>
> To: Theodore Tso <tytso@....edu>
> Cc: ext4 development <linux-ext4@...r.kernel.org>
> Subject: [BUG] ext4: i_size, EOFBLOCKS_FS corruption with xfstests 269
>
> Hi,
>
> I got a issue which makes i_size and EOFBLOCKS_FL corrupted
> on ext4 with xfstests 269.
> In my environment (linux-3.5-rc7), this can be reproduced
> once of 10 times trial.
>
> Kernel: 3.5-rc7
> Arch: x86_64
>
> Step and log are as bellow, after xfstests 269, e2fsck outputs
> i_size and EOFBLOCKS_FL corruption.
> Is this an already known issue?
Hi Akira,
thanks for reporting this. Could you please try to use the most
recent e2fsprogs ? The EOFBLOCKS_FL has been removed from e2fsprogs
with:
010dc7b90d97b93907cbf57b3b44f1c1cad234f6 e2fsck: remove
EXT4_EOFBLOCKS_FL flag handling
and is about to be removed from kernel as well, so the EOFBLOCKS_FL
problem probably does not even matter. Though the i_size problem
might be real.
Not sure if it is a known problem, but I've certainly seen it before
with xfstest 269, though I have not had time to look at this yet. So
I guess I should :).
Thanks!
-Lukas
>
> # ./check 269
> FSTYP -- ext4
> PLATFORM -- Linux/x86_64 mcds1 3.5.0-rc7
> MKFS_OPTIONS -- /dev/sdb3
> MOUNT_OPTIONS -- -o acl,user_xattr /dev/sdb3 /mnt/mp2
>
> 269 97s ... [failed, exit status 1] - output mismatch (see 269.out.bad)
> --- 269.out 2012-07-02 10:51:34.000000000 +0900
> +++ 269.out.bad 2012-07-18 14:09:03.000000000 +0900
> @@ -3,3 +3,4 @@
> Run fsstress
>
> Run dd writers in parallel
> +_check_generic_filesystem: filesystem on /dev/sdb3 is inconsistent (see 269.full)
> Ran: 269
> Failures: 269
> Failed 1 of 1 tests
>
>
> # cat 269.full
> (snip)
>
> e2fsck 1.41.12 (17-May-2010)
> Pass 1: Checking inodes, blocks, and sizes
> Inode 2336, i_size is 625045, should be 1277952. Fix? no
>
> Inode 3193 should not have EOFBLOCKS_FL set (size 1928717, lblk 218)
> Clear? no
>
> Inode 4198 should not have EOFBLOCKS_FL set (size 380389, lblk 73)
> Clear? no
>
>
> Regards,
> Akira Fujita
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