Comment 18 for bug 30570

Revision history for this message
sohail (launchpad-taggedtype) wrote : Re: [Bug 30570] Re: CPU usage very high with no running tasks using it

On Mon, 2006-06-12 at 01:06 +0000, Christopher O'Hara wrote:
> *** This bug is a duplicate of bug 30557 ***
>
> I am using the 386 kernel and everything is working perfectly. I do
> believe it to be a problem with SMP, as I compiled 2.6.16 (vanilla) 686
> without SMP and it also works fine for cpu usage; Compatibility with my
> wireless card and USB a no go, but that's my fault and need to continue
> learning how to compile it better.

Guys, have you tried adding this to /etc/rc.local:

echo 1 > /sys/module/processor/parameters/max_cstate

This is what you should do if you want to use a 686 kernel.

Of course, I wish someone would revert the ubuntu patch that *caused*
this in the first place...