Re: i686 quirk for AMD Geode

Lennart Sorensen
2009-11-18T21:11:17Z

On Wed, Nov 18, 2009 at 12:59:36PM -0800, H. Peter Anvin wrote:
> On 11/18/2009 12:21 PM, Lennart Sorensen wrote:
> >
> > OK, I added a bit of debuging print statements to msr.c and I find that
> > calling rdmsr 0x1810 returns error 0xfffffff2 (-14 that is).
> >
>
> What this means is the RDMSR instruction traps -- the CPU doesn't
> recognize this as a valid MSR.

Strange how it says that for every value I have tried so far. Makes me
wonder if there is a register somewhere that disables MSR support.
I did find a lockout value but I can't read that one either (which says
it is always readable).

--
Len Sorensen