[mythtv-users] Laptop CPU in Desktop Mainboard

[Michael T. Dean]

On 01/25/2006 01:22 PM, Robert Tsai wrote:
> On Wed, Jan 25, 2006 at 09:49:41AM -0500, Steve Adeff wrote:
>   
>> how "safe" is letting the CPU change its speed? will it affect how
>> applications run or is it seamless?
>>     
>
> I've been running my machine in this configuration for about a year
> with no problems.
>
> By default, the CPU will speed up to whatever is demanded of it. You
> can also configure cpufreq-ondemand to ignore "niced" processes, so
> that niced processes won't cause the CPU to speed up. Obviously, the
> side effect is that these niced CPU-intensive processes run slower.
>   
Make sure, though, that you're running a relatively recent kernel.  
Older kernels tend to lack full/proper support for "notifiers" (i.e. 
telling things--like timing code--that the CPU frequency has changed) so 
changing the frequency will likely cause problems.

Mike