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Re: [Xen-users] Frozen Dom0

"Venefax" <venefax@xxxxxxxxx> writes:

> My machine has Suse 11 and 16 VM's with Red hat 5.3.under heavy load the
> dom0 freezes, and the VM's of course are inaccessible. How do I troubleshoot
> this? I enabled kdump, but don't know how to trigger a dump, since PRTSCR
> only triggers a screen capture. Is there anything that I can do to find out
> what is failing? Novell found that I has packet loss, but that does not make
> a system freeze. How do I capture a memory dump if the machine is frozen?

does it unfreze?  or does it stay frozen?  

if it unfrezes, try this command in the dom0  (I put it in /etc/rc.local
in the dom0)

xm sched-credit -d 0 60000

(you can do the same thing by dedicating a core to the dom0)  

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