Re: [Qemu-devel] [PATCH 2/2] qemu-kvm: Add svm cpuid features

Alexander Graf
2010-09-12T11:15:13Z

Am 12.09.2010 um 12:22 schrieb Avi Kivity <avi@redhat.com>:

> On 09/12/2010 12:06 PM, Alexander Graf wrote:
>>>> For the Phenom type, I honestly don't remember why, but there was also a good reason to add it. In fact, I use it today to have nested virt without -cpu host on hardware that's too new for my guests.
>>> Curious, what guests balk at modern hardware but are fine with phenom?
>> Sles11 GA ;).
>
> Still curious, how does -cpu host break it?

Uh, something in the power management module. Just give it a try on an Istambul system. Just use the 11.1 iso - the kernels are close enough.

Alex

>