I see this also on AMD K6 system, ALI chipset (I don't have the precise details handy, will dig them out if required).
I was able to work around the problem by using the "clocksource=tsc" command line parameter. The dmesg for 2.6.16 (which worked fine) contained: PM-Timer running at invalid rate: 200% of normal - aborting. Using tsc for high-res timesource but these are not present on 2.6.18 and the default time source is "acpi_pm" which probably explains the problem. The check for invalid rate was removed by [0] and the replacement added by [1] doesn't seem to include an equivalent check. Cheers, Ian. [0] http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=61743fe445213b87fb55a389c8d073785323ca3e [1] http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5d0cf410e94b1f1ff852c3f210d22cc6c5a27ffa -- Ian Campbell Life sucks, but death doesn't put out at all. -- Thomas J. Kopp
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