On Mon, 1 Apr 2013 02:30:47 -0400 (EDT), CAI Qian <caiqian@xxxxxxxxxx> wrote: > > > ----- Original Message ----- > > From: "Dmitry Monakhov" <dmonakhov@xxxxxxxxxx> > > To: "CAI Qian" <caiqian@xxxxxxxxxx>, "Theodore Ts'o" <tytso@xxxxxxx> > > Cc: "LKML" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-s390" <linux-s390@xxxxxxxxxxxxxxx>, "Steve Best" > > <sbest@xxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx > > Sent: Monday, April 1, 2013 2:07:35 PM > > Subject: Re: s390x: kernel BUG at fs/ext4/inode.c:1591! > > > > On Fri, 29 Mar 2013 05:27:02 -0400 (EDT), CAI Qian <caiqian@xxxxxxxxxx> > > wrote: > > > > > I've spent a half of weekend by trying to create s390x guest image, > > without any success. Can you please share it. > Well, do you have something like IBM system-Z? > http://en.wikipedia.org/wiki/IBM_System_z10 > > Also can be reproduced on system-p, > http://en.wikipedia.org/wiki/IBM_System_p > Ohh... So you are lucky user of this black rocks and you are the only person who can help to reproduce the issue. BTW: Have you run kernel with the patch i've sent you? > Never seen it on x86 so far though. > CAI Qian > > > > > > ----- Original Message ----- > > > > From: "Theodore Ts'o" <tytso@xxxxxxx> > > > > To: "CAI Qian" <caiqian@xxxxxxxxxx> > > > > Cc: "LKML" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-s390" > > > > <linux-s390@xxxxxxxxxxxxxxx>, "Steve Best" > > > > <sbest@xxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx > > > > 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 > > > > > > > -- > > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > > 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" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
