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

[Jan Engelhardt]

>> 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.)


Jan Engelhardt
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