2011/5/20 Toralf Förster <toralf.foers...@gmx.de>:
> ...
> Kernel panic - not syncing: Kernel mode fault at addr 0x0, ip 0x80a9f6b

Looks like a NULL-pointer bug.
What code is at address 80a9f6b?
Use "objdump -d -S | less" to find it.
Please note, kernel binary and log message have to match!

> The file /var/log/messages of the UML says :
>
> 2011-05-20T09:33:03.455+02:00 n22_uml kernel: ------------[ cut here 
> ]------------
> 2011-05-20T09:33:03.455+02:00 n22_uml kernel: WARNING: at kernel/futex.c:789 
> wake_futex+0x28/0x60()

Is this really 2.6.39?
Line 789 contains no WARN*().
http://lxr.linux.no/#linux+v2.6.39/kernel/futex.c#L789

-- 
Thanks,
//richard

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