On Sun, 2010-11-14 at 17:45 +0100, Florian wrote: > Package: linux-2.6 > Version: 2.6.32-27 > Severity: important > Tags: squeeze > > > Since some kernel versions the CPU frequency always stays at its lowest value > (in my case, on a Intel i5 M540, > this is 1.2 GHz). I have a Lenovo Thinkpad X201 with newest BIOS installed. > > cpufreq-info tells me: > > ----------------- > analyzing CPU 0: > driver: acpi-cpufreq > CPUs which run at the same hardware frequency: 0 1 2 3 > CPUs which need to have their frequency coordinated by software: 0 > maximum transition latency: 10.0 us. > hardware limits: 1.20 GHz - 2.53 GHz > available frequency steps: 2.53 GHz, 2.53 GHz, 2.40 GHz, 2.27 GHz, 2.13 > GHz, 2.00 GHz, 1.87 GHz, 1.73 GHz, 1.60 GHz, 1.47 GHz, 1.33 GHz, 1.20 GHz > available cpufreq governors: conservative, powersave, userspace, ondemand, > performance > current policy: frequency should be within 1.20 GHz and 1.20 GHz. > The governor "ondemand" may decide which speed to use > within this range. [...]
Does frequency scaling work again if you run:
echo 2530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
Ben.
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
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