[ltp] thinkpad stuck on lowest speed [cpufreq, acpi]

Tino Keitel linux-thinkpad@linux-thinkpad.org
Fri, 19 Feb 2010 07:32:08 +0100


On Fri, Feb 19, 2010 at 10:14:53 +1100, D. Sen wrote:
> I seem to have struck a strange problem. The clock on my Thinkpad is
> stuck at the lowest possible speed. Nothing I do seems to be able to
> change the clock rate from its slowest (800000 Hz) speed.

Did you boot without the battery inserted, but with AC connected? If
yes, then it might be this:

http://www.thinkwiki.org/wiki/Problem_with_CPU_frequency_scaling

Regards,
Tino