On Thu, Sep 13, 2012 at 09:55:06AM +0200, Paolo Bonzini wrote:
> Il 13/09/2012 09:53, Peter Lieven ha scritto:
> >>>>
> >>> rdmsr returns it cannot read those MSRs. regardless if I use -cpu host
> >>> or -cpu qemu64.
> >> On the host.
> >>
> >>
> > did you get my output?
> >
> > #rdmsr -0 0x194
> > 0000000000011100
> > #rdmsr -0 0xce
> > 00000c0004011103
>
> Yes, that can help implementing it in KVM. But without a spec to
> understand what the bits actually mean, it's just as risky...
>
> Peter, do you have any idea where to get the spec of the memory
> controller MSRs in Nehalem and newer processors? Apparently, memtest is
> using them (and in particular 0x194) to find the speed of the FSB, or
> something like that.
>
Why would anyone will want to run memtest in a vm? May be just add those
MSRs to ignore list and that's it.
--
Gleb.
