Mailinglist Archive: opensuse (1125 mails)

[Per Jessen <per@xxxxxxxxxxxx>]

Felix Miata wrote:

> I have a Foxconn motherboard with Phoenix-Award BIOS and Cedar Mill P4
> (Hyperthreading PAE single core) RAID1 system with 11.0 first
> installed, later 11.2 added, and still later with 11.4 added, now with
> 3.3.4-1-desktop, giving me three boot choices. 11.4 has been running
> fine many months, except that /proc/cpuinfo has been reporting my
> 3.4GHz CPU running at 2400MHz for as long as I can remember, back to
> when I had a cooling problem and purposely underclocked to keep the
> temperature down. So today, long after solving the cooling problem, I
> finally tried to get the CPU speed where it belongs. Eventually I just
> did a "load optimized defaults" in the BIOS, with a resulting CPU
> speed within a few MHz of 3400.
>
> However, that resulted in the system clock going crazy fast, gaining
> at least 1.5 minutes every 10 minutes. I Googled and found that Spread
> Spectrum enabled can cause this, so I went back to the BIOS. I found a
> way to turn Spread Spectrum off, but that system clock fix brought the
> CPU speed back down to 2400MHz.

Isn't this the clock frequency being automatically reduced when there's
no workload?  CPUFREQ=off turns of the governor. 



-- 
Per Jessen, Zürich (7.8°C)

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