lkml.org 
[lkml]   [2009]   [Nov]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: i686 quirk for AMD Geode
    On 11/17/2009 06:34 AM, Lennart Sorensen wrote:
    > On Tue, Nov 17, 2009 at 11:59:29AM +0000, Alan Cox wrote:
    >>> Trying rdmsr from msr-tools 1.2 gives me:
    >>>
    >>> # ./rdmsr -x 0x00001810
    >>> rdmsr: CPU 0 cannot read MSR 0x00001810
    >>>
    >>> Hmm, now what?
    >>
    >> Beats me - I thought the region registers were read/write.
    >
    > Actually it seems I can't read any MSRs on it.
    >
    > Using the same kernel, same msr module, same rdmsr on a Geode LX system
    > works fine. I can read MSRs no problem. Seems the msr module isn't
    > working on the Geode SC1200 (and hence possibly the GX1).
    >

    That would seem highly unlikely ... unless the MSR flag isn't exposed in
    CPUID.

    -hpa

    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.



    \
     
     \ /
      Last update: 2009-11-17 17:47    [W:4.867 / U:0.300 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site