Guido Guenther wrote:
> On Sat, Dec 22, 2007 at 09:59:43PM +0200, Avi Kivity wrote:
>   
>> Guido Guenther wrote:
>>     
>>> Hi,
>>> I got the Oops below on an Dual CPU Dual-Core AMD Opteron(tm) Processor
>>> 2220 running a 32bit kernel. Kernel is 2.6.23.11, kvm version 57.
>>> Doesn't happen all the time but usually right at VM startup. Seems to be
>>> easier to trigger when starting up several VMs in row. 
>>>       
>> What guest are you running?  smp or uni?
>>     
> Uniprocessor Linux, standard etch 2.6.18 kernel.
>
> kvm commandline was:
>
> -M pc -m 512 -smp 1 -monitor pty -boot c -hda /dev/mapper/foo -hdb
> /dev/mapper/bar -net nic,macaddr=54:52:00:1b:9b:10,vlan=0 -net
> tap,fd=11,script=,vlan=0 -usb -usbdevice tablet -vnc 127.0.0.1:0
>
>   

Looks like memory corruption; this was a call through a function pointer 
that pointed into userspace.

Please try kvm-58, that has a fix for preemption notifiers on AMD; this 
may solve the problem.

-- 
error compiling committee.c: too many arguments to function


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