Re: acpi-rouble/amd disconnect patch

Jeremy Jackson (jerj@coplanar.net)
Mon, 28 Jan 2002 10:22:25 -0800


Daniel Nofftz wrote:

>On 25 Jan 2002, Ed Sweetman wrote:
>
>>It sounds like you'll have to make the patch work just for Athlon XP's
>>... unless of course you're not expecting it to be included in the
>>kernel ever.
>>
>
>hmmm ...
>i am not quite shure that this is only working with an xp processor ... at
>the moment i'm looking for some additional informations, how to tune the
>processor registers to implement the fix for the errata 11 bug. it must be
>possible from within the kernel to do this. you have to modify the
>CLK_CTRL MSR to a different value. i hope amd will send me the document
>#24478 where the right values are described ...
>has someone experiences how to modify msr ? i found 2 assambler commands
>("rdmsr/wtmsr") but i have no experiences with assamambler ...
>
If you configure the MSR support in when compiling the kernel, you get
/dev/cpu/0/msr
which you can use to read/write them.

I don't see that doc on their website, and others have failed to find it
as well. It's probably NDA, so ask your motherboard/BIOS MFR for an
update...

>
>
>daniel
>
>
>
># Daniel Nofftz
># Sysadmin CIP-Pool Informatik
># University of Trier(Germany), Room V 103
># Mail: daniel@nofftz.de
>
>-
>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>the body of a message to majordomo@vger.kernel.org
>More majordomo info at http://vger.kernel.org/majordomo-info.html
>Please read the FAQ at http://www.tux.org/lkml/
>

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/