[Xen-devel] RE: kernel panic when enable x2apic

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> On 17.11.10 at 14:16, "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx> wrote:
> In fact, there have other error info before the crash and I didn't see it 
> before:
> (XEN) traps.c:2938: GPF (0000): ffff82c4801a0a73 -> ffff82c48020f0d2
> (XEN) MTRR: CPU 0: Writing MSR 200 to ffff83007f0f7670 failed
> (XEN) traps.c:2938: GPF (0000): ffff82c4801a0a73 -> ffff82c48020f0d2
> (XEN) MTRR: CPU 0: Writing MSR 201 to f00000010 failed

Hmm, these values are totally bogus (and hence it is quite clear
that the CPU would fault on them being written to the actual MSRs).
The question is where these bogus values originate, and how this is
connected to said patch (I can't see any relation between the two).

Wouldn't it be possible that you simple send the whole log?

Would you be able to do some more debugging on this to at
least narrow where things start going wrong?

Jan


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