Re: XFS filesystem corruption on the arm(el) architecture

From: Martin Michlmayr
Date: Sat Oct 18 2008 - 04:58:33 EST

* Eric Sandeen <sandeen@xxxxxxxxxxx> [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

> 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
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