From: CAI Qian <caiqian@redhat.com>
To: "Theodore Ts'o" <tytso@mit.edu>
Cc: LKML <linux-kernel@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Steve Best <sbest@redhat.com>,
linux-ext4@vger.kernel.org
Subject: Re: s390x: kernel BUG at fs/ext4/inode.c:1591!
Date: Fri, 29 Mar 2013 05:27:02 -0400 (EDT) [thread overview]
Message-ID: <2133129347.8273339.1364549222854.JavaMail.root@redhat.com> (raw)
In-Reply-To: <20130328120517.GB5737@thunk.org>
----- Original Message -----
> From: "Theodore Ts'o" <tytso@mit.edu>
> To: "CAI Qian" <caiqian@redhat.com>
> Cc: "LKML" <linux-kernel@vger.kernel.org>, "linux-s390" <linux-s390@vger.kernel.org>, "Steve Best"
> <sbest@redhat.com>, linux-ext4@vger.kernel.org
> Sent: Thursday, March 28, 2013 8:05:17 PM
> Subject: Re: s390x: kernel BUG at fs/ext4/inode.c:1591!
>
> On Thu, Mar 28, 2013 at 02:40:33AM -0400, CAI Qian wrote:
> > System hung when running xfstests-dev 013 test case on an s390x
> > guest. Never saw
> > this on 3.9-rc3 before but need to double-check. Any idea?
> >
> > Ý 1113.795759¨ ------------Ý cut here ¨------------
> > Ý 1113.795771¨ kernel BUG at fs/ext4/inode.c:1591!
>
> thanks for the report. What kernel version did this come from? Was
> it 3.9-rc4? (line 1591 for 3.9-rc3 doesn't contain a BUG_ON).
Yes, the lastest mainline.
>
> If it is indeed 3.9-rc4, it would be helpful, since you can reproduce
> the problem, to insert a debugging printk which fires when
> bh->b_blocknr != pblock before the BUG_ON, and have it print the
> b_blocknr and pblock values.
bh->b_blocknr=100346
pblock=66797
Bisecting results so far,
git bisect start
# good: [a937536b868b8369b98967929045f1df54234323] Linux 3.9-rc3
git bisect good a937536b868b8369b98967929045f1df54234323
# bad: [9064171268d838b8f283fe111ef086b9479d059a] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sfr/next-fixes
git bisect bad 9064171268d838b8f283fe111ef086b9479d059a
# bad: [38d78e587d4960d0db94add518d27ee74bad2301] mqueue: sys_mq_open: do not call mnt_drop_write() if read-only
git bisect bad 38d78e587d4960d0db94add518d27ee74bad2301
# good: [e7489622d3603b7d161b484dcd340d9f678b0c7a] Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
git bisect good e7489622d3603b7d161b484dcd340d9f678b0c7a
# good: [172a271b5e090da7468c66b9ccbcdb3d929eed75] Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
git bisect good 172a271b5e090da7468c66b9ccbcdb3d929eed75
# good: [0a7e453103b9718d357688b83bb968ee108cc874] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
git bisect good 0a7e453103b9718d357688b83bb968ee108cc874
# bad: [0e401101db49959f5783f6ee9e676124b5a183ac] ext4: fix memory leakage in mext_check_coverage
git bisect bad 0e401101db49959f5783f6ee9e676124b5a183ac
CAI Qian
>
> Thanks,
>
> - Ted
>
next prev parent reply other threads:[~2013-03-29 9:27 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <863434221.7624846.1364452822093.JavaMail.root@redhat.com>
2013-03-28 6:40 ` s390x: kernel BUG at fs/ext4/inode.c:1591! CAI Qian
2013-03-28 9:44 ` CAI Qian
2013-03-28 12:05 ` Theodore Ts'o
2013-03-28 14:56 ` Dmitry Monakhov
2013-03-29 8:53 ` CAI Qian
2013-03-29 10:08 ` Dmitry Monakhov
2013-03-29 9:27 ` CAI Qian [this message]
2013-04-01 6:07 ` Dmitry Monakhov
2013-04-01 6:30 ` CAI Qian
2013-04-01 6:56 ` Dmitry Monakhov
2013-04-02 4:06 ` bisected! (WAS Re: s390x: kernel BUG at fs/ext4/inode.c:1591!) CAI Qian
[not found] ` <alpine.DEB.2.10.1304012249440.5874@trent.utfs.org>
2013-04-02 9:47 ` s390x: kernel BUG at fs/ext4/inode.c:1591! (powerpc too!) Dmitry Monakhov
2013-04-02 12:33 ` Zheng Liu
[not found] ` <alpine.DEB.2.10.1304021202100.13746@trent.utfs.org>
2013-04-02 19:49 ` Dmitry Monakhov
[not found] ` <alpine.DEB.2.10.1304020955280.13746@trent.utfs.org>
2013-04-02 17:19 ` Dmitry Monakhov
[not found] ` <alpine.DEB.2.10.1304021430480.13746@trent.utfs.org>
2013-04-02 22:05 ` Dmitry Monakhov
[not found] ` <alpine.DEB.2.10.1304021611020.13746@trent.utfs.org>
2013-04-03 8:52 ` Dmitry Monakhov
2013-04-03 9:53 ` Dmitry Monakhov
2013-04-03 10:22 ` Zheng Liu
2013-04-03 12:20 ` [PATCH] ext4: fix a big-endian bug when an extent is zeroed out Theodore Ts'o
2013-04-03 12:29 ` Dmitry Monakhov
2013-04-03 14:34 ` Eric Whitney
2013-04-03 14:41 ` Theodore Ts'o
2013-04-03 15:23 ` Florian Fainelli
2013-04-09 3:05 ` CAI Qian
2013-04-20 15:19 ` Theodore Ts'o
2013-04-22 3:40 ` CAI Qian
2013-04-22 10:04 ` Christian Borntraeger
2013-04-03 11:02 ` s390x: kernel BUG at fs/ext4/inode.c:1591! (powerpc too!) Dmitry Monakhov
[not found] ` <alpine.DEB.2.10.1304030935230.13746@trent.utfs.org>
2013-04-03 16:50 ` Dmitry Monakhov
2013-04-03 16:52 ` Zheng Liu
2013-04-02 10:01 ` bisected! (WAS Re: s390x: kernel BUG at fs/ext4/inode.c:1591!) Dmitry Monakhov
[not found] ` <876098945.1097253.1364961617725.JavaMail.root@redhat.com>
2013-04-03 7:14 ` CAI Qian
2013-04-03 7:51 ` Dmitry Monakhov
2013-04-03 8:09 ` Lukáš Czerner
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