----- 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-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
