Re: [Xen-devel] Explicit cpuid may be incompatible with vixen

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 14/01/2018 05:55, Sarah Newman wrote:
> We had an experience where vixen would crash with
>
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) GENERAL PROTECTION FAULT
> (XEN) [error_code=0000]
> (XEN) ****************************************
> (XEN)
> (XEN) Reboot in five seconds...
>
> when cpuid was set to:
>
> cpuid = [ "0x00000001:ecx=xxxxxxxxx0xxxxxxxxx00xxxxxxxxxxx", 
> "0x00000007,0x00:ebx=xxxxxx0xxxx000xx0x0000x0xx000x0x" ]
>
> On a Xeon E5 v2 system.
>
> Since vixen is incompatible with live migration anyway we just removed the 
> line. If there's more debugging information that would be helpful please
> let me know.

Can you provide the full stack trace and registers please?

~Andrew

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