Re: [Xen-devel] Intermittent fatal page fault with XEN 4.3.1 (Centos 6.3 DOM0 with linux kernel 3.10.16.)

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 07/11/13 16:00, Jan Beulich wrote:
>>>> On 07.11.13 at 16:54, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
>> Can you try the following patch and see whether it helps?
>>
>> diff --git a/xen/include/asm-x86/hvm/hvm.h b/xen/include/asm-x86/hvm/hvm.h
>> index c9afb56..7b1a349 100644
>> --- a/xen/include/asm-x86/hvm/hvm.h
>> +++ b/xen/include/asm-x86/hvm/hvm.h
>> @@ -359,7 +359,7 @@ static inline int hvm_event_pending(struct vcpu *v)
>>  /* These bits in CR4 cannot be set by the guest. */
>>  #define HVM_CR4_GUEST_RESERVED_BITS(_v)                 \
>>      (~((unsigned long)                                  \
>> -       (X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD |       \
>> +       (X86_CR4_PVI | X86_CR4_TSD |                     \
> Are you mixing up VME and VMXE perhaps?
>
> Jan
>

I am indeed.  Apologies for the noise, but I am still quite concerned

I shall attempt to repro this on a XenRT machine

Jeff: What system is this on (so I can pick a similar server to try with)?

~Andrew

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