Re: [Xen-devel] (XEN) traps.c:3071: GPF (0000): ffff82d0801d76b2 -> ffff82d080222806

[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

On 03.11.2014 10:52, Jan Beulich wrote:
>>>> On 03.11.14 at 10:45, <stefan.bader@xxxxxxxxxxxxx> wrote:
>> I see the message from the subject on my Intel box whenever a guest (iirc 
>> even
>> dom0) starts up. It is not fatal and everything seems ok. I am just curious
>> about what might trigger this. The addresses look to be inside the 
>> hypervisor
>> code. I was wondering whether there is a simple way to figure out what this
>> relates to (likely need to look at the objdump of the unstripped hv module).
>>
>> Or has someone already looked into this and knows what likely is the cause?
> 
> Often guest MSR accesses cause this. addr2line on the corresponding
> xen-syms should tell you.
> 
> Jan
> 
Ah, yes. There are usually messages about MSR access as well. Thanks for the
pointer about addr2line. I'll try that.

-Stefan

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