Date: Fri, 25 Jan 2008 09:06:59 +0300 From: Stanislav Sedov <stas@freebsd.org> To: Markus Strobl <markus.strobl@gmx.at> Cc: ports@freebsd.org Subject: Re: FreeBSD Port: devcpu-0.8.2_1 Message-ID: <20080125060659.GE82888@dracon.ht-systems.ru> In-Reply-To: <20080120215901.171800@gmx.net> References: <20080120215901.171800@gmx.net>
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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
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