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    SubjectRe: XFS filesystem corruption on the arm(el) architecture
    * Eric Sandeen <sandeen@sandeen.net> [2008-10-17 09:15]:
    > If you unmount & remount, does the ls work then?

    I cannot even mount it:

    debian:~# mkfs.xfs -f /dev/sda5
    meta-data=/dev/sda5 isize=256 agcount=4, agsize=94380 blks
    = sectsz=512 attr=2
    data = bsize=4096 blocks=377519, imaxpct=25
    = sunit=0 swidth=0 blks
    naming =version 2 bsize=4096
    log =internal log bsize=4096 blocks=2560, version=2
    = sectsz=512 sunit=0 blks, lazy-count=0
    realtime =none extsz=4096 blocks=0, rtextents=0
    debian:~# mount /dev/sda5 /mnt
    [42949596.920000] XFS mounting filesystem sda5
    debian:~# cp /usr/bin/* /mnt/
    debian:~# umount /mnt
    debian:~# mount -t xfs /dev/sda5 /mnt
    [42949612.290000] XFS mounting filesystem sda5
    [42949612.460000] Starting XFS recovery on filesystem: sda5 (logdev: internal)
    [42949612.480000] XFS: xlog_recover_process_data: bad flag
    [42949612.500000] XFS: log mount/recovery failed: error 5
    [42949612.500000] XFS: log mount failed
    mount: /dev/sda5: can't read superblock
    debian:~#

    > Do you know what cachepolicy you're booted with? If it's writeallocate,
    > you might try cachepolicy=writeback, otherwise try cachepolicy=uncached
    > (which will be horribly slow) and see if the problem goes away or not;
    > it'd be a clue.

    I just tried with cachepolicy=writeback and cachepolicy=uncached but I
    get the same problem.
    --
    Martin Michlmayr
    http://www.cyrius.com/


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