Re: [RFC/SERIOUS] grilling troubled CPUs for fun and profit?

[Pavel Machek]

On Fri 2006-06-23 19:32:59, Jan Engelhardt wrote:
> >> K6 run cooler even with the regular kernel HLT (sti/hlt I presume). 
> >> Difference to full load can be up to 10 deg, depending on ambient (room) 
> >> temperature. In winter (read 2005-12-31) it ran between 28 celsius and 34 
> >> celsius. The fan even stopped and I thought it was a fan failure, but 
> >> luckily it was just hw-controlled :)
> >
> >Okay, so you've got a point. The patch is useful on k6 in the winter
> >:-). (Actually, to show you've got a point, you'd have to stop the fan
> >and show that cpu badly overheats under for(;;) conditions).
> 
> If you spend me a new CPU, no problem :p
> Maybe someone from AMD with spare K6s can try.
> 
> >Yes, we probably want to consolidate various for(;;) loops... and
> >maybe it will helpsomeone. If overheating causes reboot instead of
> >panic, you probably still loose, as BIOS is close to for(;;)...
> 
> The best would be to turn the machine off after, say, 60 seconds. (So you 
> can grab the panic, if there is one.)

I'd rather not overdo it. Shutting machine down is pretty hard
operation.
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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