Re: 3.9-rc2 xfs panic

Dave Chinner
2013-03-12T10:23:43Z

On Tue, Mar 12, 2013 at 04:04:11AM -0400, CAI Qian wrote:
>
>
> ----- Original Message -----
> > From: "Dave Chinner" <david@fromorbit.com>
> > To: "CAI Qian" <caiqian@redhat.com>
> > Cc: xfs@oss.sgi.com
> > Sent: Tuesday, March 12, 2013 3:46:08 PM
> > Subject: Re: 3.9-rc2 xfs panic
> >
> > On Tue, Mar 12, 2013 at 02:34:07AM -0400, CAI Qian wrote:
> > >
> > >
> > > ----- Original Message -----
> > > > From: "Dave Chinner" <david@fromorbit.com>
> > > > To: "CAI Qian" <caiqian@redhat.com>
> > > > Cc: xfs@oss.sgi.com
> > > > Sent: Tuesday, March 12, 2013 2:07:01 PM
> > > > Subject: Re: 3.9-rc2 xfs panic
> > > >
> > > > On Tue, Mar 12, 2013 at 12:32:28AM -0400, CAI Qian wrote:
> > > > > Just came across when running xfstests using 3.9-rc2 kernel on
> > > > > a
> > > > > power7
> > > > > box with addition of this patch which fixed a known issue,
> > > > > http://people.redhat.com/qcai/stable/01-fix-double-fetch-hlist.patch
> > > > >
> > > > > The log shows it was happened around test case 370 with
> > > > > TEST_PARAM_BLKSIZE = 2048
> > > >
> > > > That doesn't sound like xfstests. it only has 305 tests, and no
> > > > parameters like TEST_PARAM_BLKSIZE....
> > > Sorry, it is a typo, test case 270 not 370. TEST_PARAM_BLKSIZE was
> > > from an internal wrapper to be used to create new filessytem not
> > > from the
> > > original xfstests.
> >
> > OK, so that means you're testing 2k filesystem block size on a 64k
> > page size machine?
> Looks like so. Would that be a problem?

It shouldn't be a problem, but nobody else is testing with that
config and so you could be seeing problems nobody sees.

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com