Messages in this thread | | | Date | Wed, 18 Sep 2002 13:00:58 +0200 | Subject | Re: Oops in sched.c on PPro SMP | From | Peter Waechtler <> |
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Am Dienstag den, 17. September 2002, um 19:41, schrieb Andrea Arcangeli:
> On Tue, Sep 17, 2002 at 07:11:52PM +0200, Peter Waechtler wrote: >> Once I had a machine check exception - sine then I lowered the CPU >> clock. >> After the box was running fine with 180MHz I switched to 200MHz >> (yes, I overclocked the CPUs with 233MHz 2 or 3 years - without >> problems) > > I guess this explain the corruption. Please make sure the cpu are not > overclocked at all and then try to reproduce. You cannot choose 180mhz > or 200mhz randomly based on which kernel crashes or not, if the cpu are > 180mhz ppro you should use 180mhz only, 200mhz will break. It won't > break so easily as 233mhz, but it will, the timings are strict on smp. > So please try to reproduce at 180mhz if the cpu should run at 180mhz. > > I don't want to sound boring but please next times try if you can > reproduce on non overclocked hardware before reporting anything to l-k. >
They are 200MHz PPros. So don't be bored. To minimize the risk, I underclocked them, eh?
I slowed down memory timings - the box survived one night - but it would be too early to count on this.
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