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

[Gustav Sorenson <gu.sorenson@xxxxxxxxx>]

Hello Darren,

I have the same CPU as you, and an ASRock FM2A75 Pro4 motherboard.
I had the same problems you described when I tried xen 4.2 or 4.3, but
when I compiled the most recent development version of xen from
source, I could boot HVM DomUs.
Since I hadn't compiled xen before, I found this howto useful,
although you might need to adapt it for CentOS:
http://wiki.xen.org/wiki/Comprehensive_Xen_Debian_Wheezy_PCI_Passthrough_Tutorial

I'm curious whether the newest xen works for you, so please let me know.

On Sun, Aug 11, 2013 at 8:20 PM, Darren Shepherd
<darren.s.shepherd@xxxxxxxxx> wrote:
> 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).
>
> Thanks,
> Darren
>
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