----- Original Message ----- > From: "Dmitry Monakhov" <dmonakhov@xxxxxxxxxx> > To: "Theodore Ts'o" <tytso@xxxxxxx>, "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 10:56:37 PM > Subject: Re: s390x: kernel BUG at fs/ext4/inode.c:1591! > > On Thu, 28 Mar 2013 08:05:17 -0400, Theodore Ts'o <tytso@xxxxxxx> > wrote: > > 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). > > > > 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. > I've triggered this bug on before at the time i've worked on > e4defrag functionality, but AFAIK all related issues was aready fixed > and 013 has nothing with e4defrag. > But still bh->b_blocknr under us. So other obvious place I suspect is > puch_hole but this also not true because 013 use fsstress > test in vegetarian mode: "-f rmdir=10 -f link=10 -f creat=10 -f > mkdir=10 > -f rename=30 -f stat=30 -f unlink=30 -f truncate=20" > So the only place I suspect is some unknown bug in extent status tree > Can you please enable ES_AGGRESSIVE_TEST and rerun xfstest. What is ES_AGGRESSIVE_TEST and how can it enable it? > > > > 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
