Re: Problem with ondemand on Athlon

[Dominik Brodowski <linux@brodo.de>]

This is really strange... will provide a DEBUG()-printk patch soon, would be
great if you could test it then...

On Wed, Nov 05, 2003 at 07:21:10PM +0100, Mattia Dongili wrote:
> On Tue, Nov 04, 2003 at 07:12:27PM +0100, Dominik Brodowski wrote:
> > Unfortunately, I can't reproduce the problem locally on my p4.
> > Can both of you try out the following, please:
> > 
> > pass "clock=pit" as a command line argument
> 
> this semms not to be a valid argument here

? clock=pit specifies that the PIT should be used instead of the TSC as
timing source... so it should be a valid boot argument.

> Linux inferi-2 2.6.0-test9-1 #3 Thu Oct 30 19:40:17 CET 2003 i686 GNU/Linux
> > 
> > The p4-clockmod driver [currently] needs to be built as a module then, 
> > and you need to pass stock_freq as an argument then. AFAIK, no such
> > requirement exists for powernow-k7.
> 
> having a P4 1.8GHz do I need stock_freq=1800000 ? (tried, it works)

yes.

> # modprobe p4_clockmod stock_freq=1800000
> 
> # echo *ondemand* > /sys/.../scaling_governor 
> --> never returns

strange...

	Dominik