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[Xen-bugs] [Bug 757] kernel BUG at mm/rmap.c:560!


------- Comment #7 from paul@xxxxxxxxxxx  2007-10-15 17:42 -------
(In reply to comment #6)
> Any idea what commands or processes were running in the guest at the time of
> the crash?

I can give you a list of the 'standard' processes that are always running on
the guest. I'm not sure of any way to find out if anything additional was
running. The standard processes are:

 init [2]                             
 /sbin/klogd -x                       
 /usr/sbin/cvsd -f /etc/cvsd/cvsd.conf
 pickup -l -t fifo -u -c              
 qmgr -l -t fifo -u                   
 /usr/sbin/apache2 -k start           
 /usr/sbin/apache2 -k start           
 /usr/sbin/apache2 -k start           
 /usr/sbin/apache2 -k start           
 /sbin/getty 38400 tty1               
 sshd: root@pts/0                     
 ps aux                               

> It would be great if you could try and come up with a reliable way to repro.

I'll do my best. I've got nothing in the logs which helps me see what causes

> You could collect a guest crashdump, but to be honest this kind of bug is 
> tough
> to debug via a dump.
> Were you exercising save/restore/live relo? 


> Were you using the balloon driver? 


> Were you doing anything fancy with your networking setup?

No. We use the default bridge setup.

> Were you exercising the LVM snapshot stuff at the time? (in guest or host)

No. We use loopback files.

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