Hi,
I found that setting the cpufreq governor to ondemand making the box
lock up solid in 2.6.20.2 and 2.6.21 after a few seconds. Sysrq
does not work anymore, and the last messages are:
May 3 19:16:58 cn kernel: longhaul: VIA C3 'Nehemiah C' [C5P] CPU
detected. Powersaver supported.
May 3 19:16:58 cn kernel: longhaul: Using northbridge support.
May 3 19:17:22 cn kernel: Time: acpi_pm clocksource has been installed.
May 3 19:17:22 cn kernel: Clocksource tsc unstable (delta = -136422685
ns)
I have also tried 2.6.20.2 in single-user mode (so that I can have
the disk readonly), and it take a little longer (magnitude: minutes)
to lock up; not sure if it's 20.2 or the single-user mode but I suspect
the latter since nothing is running then that could potentially
contribute to quickly changing workloads/frequencies.
If you need more info, please let me know.
Thanks,
Jan
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