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Re: [Xen-users] HVM system freeze on AMD system

> I have an AMD system (A10-6800K on an ASUS F2A85-M) that completely hangs
> when I use HVM.  I've tested this on XenServer 6.2 and also CentOS 6.4 Xen
> 4.2.2.  Sometimes it happens when the domain is started, other times after
> 20 minutes or so.  So it's sort of random when exactly it happens, but
> eventually any HVM domain will freeze the entire system.
> The problem is I don't exactly know how to debug such a problem.  Since
> the
> system just freezes, there are no messages, error logs, or anything at
> all.  Can anybody point me to some information on how I might obtain
> further information to debug this issue?
> Other random things I tried.  It will freeze with both ioapic_ack=old and
> new.  Also I tried running XenServer with the "safe" option and still the
> same thing.  Also, PV domains run fine, and in general the system is very
> stable and memtest runs fine.  Any help would be greatly appreciated.  I
> put together this system with the sole purpose of running HVM domains, so
> I'm kinda bummed its hanging (I really don't want to use KVM).

Disable all power savings from DomU/BIOS; ie. run the CPU at full speed
without frequency scaling

Also did you ran CPU test that it is stable and won't overheat? I could
not think of anything else.

> Thanks,
> Darren
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