Re: [BUG] kvm: guest can not startup due to triple fault

H. Peter Anvin
2010-10-19T14:56:44Z

Right... note in particular that the BIOS sets them up inconsistently. The kernel is doing the rufht thing: since NX isn't available on all processors it is considered unavailable.

"Avi Kivity" <avi@redhat.com> wrote:

> On 10/19/2010 08:55 AM, Dave Young wrote:
>> > OK. Please install msr-tools on your system, and give us the outputs of:
>> >
>> > rdmsr -p 0 -xc 0x1a0
>> 0x1764952489
>>
>> > rdmsr -p 1 -xc 0x1a0
>> 0x1364952489
>>
>
>That's MSR_IA32_MISC_ENABLE_XD_DISABLE. Looks like the kernel never
>plays with it.
>
>Suggest:
>- updating your BIOS
>- playing with the NX feature in your BIOS setup screens
>
>
>--
>error compiling committee.c: too many arguments to function
>

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