Hamish Moffatt <[email protected]> writes:
> I'm running 2.6.22.1 (Debian's package) although this started happening
> at first with about 2.6.17.
If you can reproduce it you could bisect it. But it's unlikely that it is a
software problem.
However it might just be that powernow wasn't used in the old kernel
and some change made it work. Also newer kernels tend to change
frequencies more often especially with ondemand; that might have also
triggered it.
>
> Here's an example fault; a few more occur a few minutes after that, then
> the whole system locks up soon after. The complete kernel log is below.
>
> Any ideas?
It sounds like some kind of hardware issue. The Voltage Regulation Module
on the motherboard could have problems with the power supply to the
CPU and that can then cause all kinds of weird effects. On K7 such
problems were fairly common; on K8 less so because powernow
is more widdespread but can happen occasionally.
It might also be that your hardware degenerated (e.g cheap boards
often have not very long lived components). You could double check
that by running the 2.6.17 kernel again (making sure it does powernow)
Exchanging the motherboard could potentially safe a lot of trouble.
Or not run powernow anymore.
-Andi
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