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Date: Fri, 25 Jan 2008 09:06:59 +0300
From: Stanislav Sedov <stas@freebsd.org>
To: Markus Strobl <markus.strobl@gmx.at>
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Cc: ports@freebsd.org
Subject: Re: FreeBSD Port: devcpu-0.8.2_1
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On Sun, Jan 20, 2008 at 10:59:01PM +0100 Markus Strobl mentioned:
> Hi Stanislav,
> 
> few days ago, i write you a mail over my problem with the devcpu kernelmodul. I want to set a msr for undervolting a amd x2 cpu.
> Now I use the following patch for cpu.c:
> 
> --- workO/devcpu-0.8.2/cpu/cpu.c        2007-07-20 00:30:18.000000000 +0200
> +++ work/devcpu-0.8.2/cpu/cpu.c 2008-01-18 23:59:32.000000000 +0100
> @@ -230,7 +230,8 @@
>                 ("[cpu,%d]: bad cpu number %d", __LINE__, cpu));
> 
>         /* Explicitly clear cpuid data to avoid returning stale info */
> -       data->data = 0;
> +       if (cmd == CPU_RDMSR)
> +               data->data = 0;
> 
>         DPRINTF("[cpu,%d]: operating on MSR %#0x for %d cpu\n", __LINE__, \
>                 data->msr, cpu);
> 
> 
> Undervolting with a amd X2 cpu works now fine :-).

Committed! Thanks a lot for this patch!

I'm wondering, how I missed that before... WRMSR ioctl was totally broken.

-- 
Stanislav Sedov
ST4096-RIPE