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    SubjectRe: [xfs-masters] Re: 2.6.18-rc6-mm2
    On Thu, Sep 14, 2006 at 10:50:42AM +0200, Michal Piotrowski wrote:
    > On 14/09/06, Michal Piotrowski <> wrote:
    > >David Chinner wrote:
    > >> On Wed, Sep 13, 2006 at 11:43:32AM +0200, Michal Piotrowski wrote:
    > >>> On 13/09/06, David Chinner <> wrote:
    > >>>> I've booted 2.6.18-rc6-mm2 and mounted and unmounted several xfs
    > >>>> filesystems. I'm currently running xfsqa on it, and I haven't seen
    > >>>> any failures on unmount yet.
    > >>>>
    > >>>> That test case would be really handy, Michal.
    > >>>
    > >>>
    > >>> ls -hs /home/fs-farm/
    > >>> total 3.6G
    > >>> 513M ext2.img 513M ext4.img 513M reiser3.img 513M xfs.img
    > >>> 513M ext3.img 513M jfs.img 513M reiser4.img
    > >>
    > >> Ok, so you're using loopback and mounting one of each filesystem, then
    > >> unmounting them in the same order. I have mounted and unmounted an
    > >> XFS filesystem in isolation in exactly the same way you have been, but
    > >> I haven't seen any failures.
    > >>
    > >> Can you rerun the test with just XFS in your script and see if you
    > >> see any failures? If you don't see any failures, can you add each
    > >> filesystem back in one at a time until you see failures again?
    > >
    > >
    > >I still get an oops (with xfs only). Maybe it's file system image problem.
    > >
    > >xfs_info /mnt/fs-farm/xfs/
    > >meta-data=/dev/loop1 isize=256 agcount=8, agsize=16384 blks
    > > = sectsz=512
    > >data = bsize=4096 blocks=131072, imaxpct=25
    > > = sunit=0 swidth=0 blks, unwritten=1
    > >naming =version 2 bsize=4096
    > >log =internal bsize=4096 blocks=1200, version=1
    > > = sectsz=512 sunit=0 blks
    > >realtime =none extsz=65536 blocks=0, rtextents=0
    > Can I send to you this fs image? It's only 246KB bz2 file.

    I've downloaded it, and I don't see a panic on that fs at all.
    I've got it sitting in a tight loop mounting and unmounting the
    image you sent me, and nothing has gone wrong. I don't think it's
    a corrupted filesystem problem - it seems more like a memory corruption
    problem to me.

    What arch are you running on and what compiler are you using?
    Can you try 2.6.18-rc6 and see if it panics like this on your
    machine? there is little difference in xfs between -rc6 and -rc6-mm2
    so it would be good to know if this is a problem isolated to
    the -mm tree or not....


    Dave Chinner
    Principal Engineer
    SGI Australian Software Group
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