Re: powernow-k8 woes -- need help diagnosing intermittent failure
Hi John,
i've the exact same processor you have but with an Asus K8V-X
(K8T800 chipset).
I've just started powernow. I'll run it for the day and see what happens.
Have found any hint on how to reproduce the problem?
-Pascal
On 8/5/05, John Belmonte <john@neggie.net> wrote:
> I'm having a hard time diagnosing a powernow-k8 problem. It works fine
> for several hours of power throttle stress testing, but eventually the
> following error appears:
>
> kernel: powernow-k8: detected change pending stuck
> kernel: powernow-k8: transition frequency failed
> kernel: powernow-k8: failing targ, change pending bit set
>
> After this failure, any further transition request yields:
>
> kernel: powernow-k8: failing targ, change pending bit set
>
> which effectively renders power throttling unusable on my system.
>
> I've tried two different brands of motherboard with the same Via
> chipset, and see the same failure. However, if it's a chipset problem,
> I'd expect to see similar problem reports from other users, but I can't
> find any.
>
> A call for help: if you have the Via K8M800 or K8T800 chipset, or
> specifically the DFI K8M800 or Chaintech K8M800 motherboard, and can
> either confirm or deny this power throttling problem, please contact me.
> Even if you have a different chipset but the same CPU, and can claim
> that powernow-k8 runs flawlessly, I'd like to hear it.
>
> Any other ideas on how to diagnose this would be appreciated.
>
> * motherboard: DFI K8M800 (Chaintech K8M800 has same failure)
> * kernel: stock 2.6.13-rc4 (tried several other versions)
> * CPU: Athlon 64 2800+, socket 754, stepping 10
> * memory: tried Ultra and Viking PC3200 DDR 400MHz
>
> --John
>
>
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