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

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> On 19.11.10 at 11:40, Sander Eikelenboom <linux@xxxxxxxxxxxxxx> wrote:
> Hello Jan,
> 
> Friday, November 19, 2010, 11:17:21 AM, you wrote:
> 
>>>>> On 18.11.10 at 05:53, "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx> wrote:
>>> From this output, it shows the cpupool_id = 7f034000, I don't know why it 
>>> was 7f034000. I think the first cpupool_id should be 0?Am I right?
> 
>> Yes, it ought to be zero.
> 
>>> Also the fail with write mtrr MSR, the value also is very strange: 
>>> ffff83007f0f7670, it totally different with the SDM says.
>>> (XEN) MTRR: CPU 0: Writing MSR 200 to ffff83007f0f7670 failed
> 
>> Yes, I had indicated so in an earlier reply.
> 
>>> So, I am think that maybe the heap is broken? 
> 
>> General memory corruption is more likely. The question is when it
>> starts.
> 
> General memory corruption could also be hardware related (bad dimm) ?

In general, yes, but this wouldn't normally lead to patterns that look
like valid (albeit misplaced) addresses, I would think.

Jan


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