Re: logfs segfaults at umount time

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Dear Michael,

In message <4CB1E5B3.1090300@xxxxxxxxxxxxxxxxxx> you wrote:
> 
> I'm running some flash filesystem benchmarks for CELF, and I'm facing
> kernel segfaults when I try to umount my logfs filesystem.
...
> root@calao:~# mount -t logfs /dev/mtdblock0 /mnt/flash/
> root@calao:~# cp -rf /fs/8m/* /mnt/flash/
> eth0: TX underrun, resetting buffers
> eth0: TX underrun, resetting buffers

Seems you have some problems here already?

> root@calao:~# umount /mnt/flash/
> kernel BUG at fs/logfs/segment.c:858!
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> pgd = c14a4000
> [00000000] *pgd=23a3c031, *pte=00000000, *ppte=00000000
> Internal error: Oops: 817 [#1]
...

Best regards,

Wolfgang Denk

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