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SubjectRe: XFS filesystem corruption on the arm(el) architecture
On Sat, Oct 18, 2008 at 10:57:56AM +0200, Martin Michlmayr wrote:
> * 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:~#

That's the log replay indicating that there's a bad transaction
header in the log. Very strange - it shoul dbe a clean log. What
does xfs_logprint -t /dev/sda5 tell you about the transactions
in the log?

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com


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