[Debian-eeepc-devel] squeeze: problem with cpufreq's governors

[Trent W. Buck]

Ben Armstrong <synrg at sanctuary.nslug.ns.ca> writes:

> On 08/30/2010 04:10 AM, Johan Haggi wrote:
>> Please update the page on wiki:
>> http://wiki.debian.org/DebianEeePC/HowTo/Upgrade#Linuxkernel
>>
>> I have a eeepc 701 and after upgrade to squeeze (kernel 2.6.32-5-686) the
>> only governor for cpufreq are performance and powersave, it is impossible
>> to use ondemand&  conservative.
>>
>> Search on google give me the answer that the problem is in the switch from
>> .29 to .30 and that "the kernel was wrong to permit on-demand frequency
>> scaling before" with the module p4-clockmod (see
>> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=536183 for other info).
>
> In other words: this processor doesn't support frequency scaling, so
> to pretend it does (as the kernel used to) was wrong.  If you want
> frequency scaling, buy a system with a processor that supports it.
> There is no software solution to this problem, since the hardware just
> doesn't do what you want it to do.

In excruciating detail: http://bugs.debian.org/536183