Re: 2.6.31.5 x86-64 KVM: 'emulation failed (pagetable) rip 7fb49335da7b 66 0f 7f 07'

Avi Kivity
2009-11-30T08:15:12Z

On 11/30/2009 01:31 AM, Nix wrote:
> On 29 Nov 2009, Avi Kivity stated:
>
>> Most likely, either this or something similar is called on a userspace
>> device driver. Can you check if this is triggered by starting X?
>>
> *sigh* I just wasted twenty minutes trying to find some way, *any* way
> to not start X under Ubuntu Karmic, so as to test this. None is evident.
> I can't even figure out what and where in upstart's horrific dependency
> tangle is starting X in the first place: deleting suspicious-looking
> things from rc*.d has no effect at all. I can't even tell if rc*.d is
> still used, nor if the concept of runlevel is even meaningful any
> longer. There are lots of things googleable that claim to say how to do
> this, but all relate to the non-dependency-based inittab-emulating
> method used in previous Ubuntu versions.
>
> Anyone know?
>

At least on Fedora, you you can change the runlevel in /etc/inittab (the
sole remaining function of the file).

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.