On 11/14/2010 06:21 PM, Ben Hutchings wrote: > 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. >
No. #cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq 1199000 #echo 2530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq #cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq 1199000 #cpufreq-info | grep "hardware limits\|current policy" hardware limits: 1.20 GHz - 2.53 GHz current policy: frequency should be within 1.20 GHz and 1.20 GHz. thanks, Florian -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
