Re: Fedora on an AMD Athlon 64 (3200+) machine

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On Monday 20 November 2006 03:08, Jeff Vian wrote:

> > Also, after the crash it is not sufficient to re-boot
> > by pressing the power switch for 10 seconds -
> > one has to switch the machine off and on at the back.
> > I take it this shows some kind of memory corruption.
>
> This description tells me that something is definitely not right with
> memory after the crash. Have you checked with memtest86 to see if that
> reports anything?

Thanks for the suggestion -
I assumed the memory was OK since I have never had problems
with Windows XP or i386 Fedora.
But I've downloaded the memtest86+ rpm,
and will run this tonight.

> You also might try reducing the speed of the memory and see if that has
> any affect.

How do I reduce the memory speed?
Do you mean reduce the CPU speed with something like cpufreq?

> What about cooling on the processor?  Are you using the heat sink that
> was provided with the CPU or better?  If so then it is not likely that
> it is heat related, although with inadequate cooling it is possible.

Yes, I haven't touched the CPU or heat sink.
Unfortunately I'm not sure how to measure the CPU temperature.
I'm compiled a kernel with ACPI=>Processor=>Thermal Zone enabled,
but it doesn't seem to show anything in /proc/acpi on this machine.

Again, many thanks for your suggestions.

I must say the machine seems to be running faster under i386
than it did under x86_64,
though that may just be an impression because I am not waiting
for it to crash!


-- 
Timothy Murphy  
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland


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