667 or 1Ghz ?

[Dan Burcaw]

On Fri, 2003-09-19 at 07:56, Jason Lee wrote:
> Dan Burcaw wrote:
> > On newer laptops, they startup at a lower cpu rating
> > by default and under OS X crank up as speed is required (e.g. lots of
> > apps open, etc.).  Under YDL, to crank of the CPU speed to the max, you
> > can do this:
> > 
> > cat /proc/sys/cpu/0/speed_max > /proc/sys/cpu/0/speed
> > 
> > The cpufreqd program mentioned earlier can dynamically scale the CPU
> > speed like OS X.
> > 
> > 
> > 
> > Regards,
> > Dan
> > 
> > 
> > On Thu, 2003-09-18 at 14:45, Suman Chakrabarti wrote:
> > 
> >>>Anonymous wrote:
> >>>
> >>>>... This is the question...
> >>>>
> >>>>;)
> >>>>
> >>>>I have install YDL 3.0 on my PB G4 1Ghz,... But I see only a 667... Its a
> >>>>kernel bug ? Or I need to install something to use the full power of my
> >>>>computer ?
> >>>>
> >>>>Regards,
> >>>>
> >>>>Anonymous
> >>>
> >>>I have asked this same question before and after replies, I was 
> >>>still not able to fix it. My Tibook - 1GHz - shutdown down every 
> >>>time I try to change the speed.
> >>>
> >>>If you search the list for 'cpufreq', you'll find various answers to 
> >>>this as well as possible solutions - if they work. Also, look in
> >>>
> >>>/usr/src/linux-<kernel vers>/Documentation/cpufreq
> >>>
> >>>for info on how to set the speed.
> >>>
> >>>Gentoo also has a specific blurb on this subject: 
> >>>http://www.gentoo.org/doc/en/gentoo-ppc-faq.xml#doc_chap2
> >>>
> >>>Good Luck!
> >>>
> >>>- Jason
> >>
> >>I confirm the same problem on my machine. I've looked at the Gentoo 
> >>page. Is recompiling the kernel nontrivial? It sounds like it. I 
> >>can't find above path on my YDL 3.0.
> >>
> >>I guess I'll have to search for myself. I'm getting a little drained 
> >>from spending so much time reconfiguring parameters to make a machine 
> >>run properly. Does it ever get less time consuming?
> >>
> >>		SC
> 
> As SC said, this doesn't work on my machine and as I've mentioned 
> before, any touching of the speed setting under proc and the machine, 
> after 1/2 second, shuts down.
> 
> What makes this extremely annoying, besides the fact that it even 
> happens at all, is that I then have to perform a rescue so that the 
> speed setting can be reset on the file system. This also involves a file 
> system check since it was not cleanly unmounted and most of the time, I 
> have weird Gnome settings and things either disappear from the panels or 
> Nautilus barfs or something..
> 
> I have not tried recompiling the kernel because, frankly, the settings 
> seemed like they were correct, according to the gentoo powerpc install 
> guide - which mentioned the cpufreq issue specifically. Also, I went on 
> the Panther side >:) and cranked the cpu up with no power mgmt, thinking 
> that would fix it, and it didn't.
> 
> I'm writing this one off as unresolved (possibly forever) since it seems 
> to only affect a few pb's (maybe there were some hardware changes at 
> some point?) and I can still live with it running at 667. Although it 
> would be much better if it ran at what it's rated at, I agree, it starts 
> taking up too much time.
> 
> I dunno, I like YDL, but maybe I'll try Gentoo and see if I have the 
> same issue.

We all use the same basic kernel. So I doubt you'll see a difference.
I'd appreciate you help me understand what is going on rather then
jumping ship at the first sign of something being unsupported.