From: Dmitry Monakhov Subject: Re: s390x: kernel BUG at fs/ext4/inode.c:1591! Date: Mon, 01 Apr 2013 10:07:35 +0400 Message-ID: <87ip46ss0o.fsf@openvz.org> References: <2133129347.8273339.1364549222854.JavaMail.root@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: LKML , linux-s390 , Steve Best , linux-ext4@vger.kernel.org To: CAI Qian , Theodore Ts'o Return-path: Received: from mail-la0-f48.google.com ([209.85.215.48]:38937 "EHLO mail-la0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756885Ab3DAGHl convert rfc822-to-8bit (ORCPT ); Mon, 1 Apr 2013 02:07:41 -0400 In-Reply-To: <2133129347.8273339.1364549222854.JavaMail.root@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Fri, 29 Mar 2013 05:27:02 -0400 (EDT), CAI Qian = wrote: >=20 I've spent a half of weekend by trying to create s390x guest image, without any success. Can you please share it. >=20 > ----- Original Message ----- > > From: "Theodore Ts'o" > > To: "CAI Qian" > > Cc: "LKML" , "linux-s390" , "Steve Best" > > , 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! > >=20 > > 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? > > >=20 > > > =C3=9D 1113.795759=C2=A8 ------------=C3=9D cut here =C2=A8------= ------ > > > =C3=9D 1113.795771=C2=A8 kernel BUG at fs/ext4/inode.c:1591! > >=20 > > thanks for the report. What kernel version did this come from? Wa= s > > it 3.9-rc4? (line 1591 for 3.9-rc3 doesn't contain a BUG_ON). > Yes, the lastest mainline. > >=20 > > If it is indeed 3.9-rc4, it would be helpful, since you can reprodu= ce > > the problem, to insert a debugging printk which fires when > > bh->b_blocknr !=3D pblock before the BUG_ON, and have it print the > > b_blocknr and pblock values. > bh->b_blocknr=3D100346 > pblock=3D66797 >=20 > Bisecting results so far, > git bisect start > # good: [a937536b868b8369b98967929045f1df54234323] Linux 3.9-rc3 > git bisect good a937536b868b8369b98967929045f1df54234323 > # bad: [9064171268d838b8f283fe111ef086b9479d059a] Merge tag 'for-linu= s' 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-f= ixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-a= arch64 > 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 le= akage in mext_check_coverage > git bisect bad 0e401101db49959f5783f6ee9e676124b5a183ac > CAI Qian > >=20 > > Thanks, > >=20 > > - Ted > >=20 > -- > To unsubscribe from this list: send the line "unsubscribe linux-kerne= l" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html