I have not given the patch mentioned below a try yet but I did get a
working 2.6.8 kernel setup. By simply turning off APIC, the clock
rate returned to the appearance of normal, and the keyboard stopped
being so touchy. I got a clue as to the problem by a kernel error I had
missed.
Error:
Uhhuh. NMI received for unknown reason 3d.
Dazed and confused, but trying to continue
Do you have a strange power saving mode enabled?
This indicates to me possible memory and / or ACPI problems. The
problem was not memory based since memtest was fine after an overnight
run. That left ACPI issues to test, ultimately that seems to be the
cause here. I have not fully tested it but it seems all right now.
I will note that kernel 2.6.15-1 works with ACPI on and has given me no
problems after a weekend of high load for the system.
kernel patch notes (untested by me):
http://bugs.debian.org/338467
another AMD64 user with ACPI issues:
http://scottstuff.net/blog/articles/2005/03/17/msi-rs480m2-il-athlon-64-motherboard-mini-review
Thanks for the input,
Jim C. Baldwin
--
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James C. Baldwin, PhD
USDA-ARS-CCRU
501 N. Walnut St.
Madison, WI 53726
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