From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dominik Brodowski Subject: Re: 2.4.22-jl9: speedstep-centrino.o: init_module: No such device Date: Wed, 27 Aug 2003 10:28:47 +0200 Sender: cpufreq-bounces@www.linux.org.uk Message-ID: <20030827082847.GA3690@brodo.de> References: <200308262206.37039.lkml@kcore.org> <200308270743.34643.ml@kcore.org> <20030827062052.GA4468@brodo.de> <200308271012.54751.ml@kcore.org> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <200308271012.54751.ml@kcore.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: cpufreq-bounces@www.linux.org.uk Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jan De Luyck Cc: cpufreq@www.linux.org.uk On Wed, Aug 27, 2003 at 10:12:54AM +0200, Jan De Luyck wrote: > On Wednesday 27 August 2003 08:20, Dominik Brodowski wrote: > > On Wed, Aug 27, 2003 at 07:43:34AM +0200, Jan De Luyck wrote: > > > On Tuesday 26 August 2003 22:36, Dominik Brodowski wrote: > > > > On Tue, Aug 26, 2003 at 10:06:36PM +0200, Jan De Luyck wrote: > > > > > I just patched my 2.4.22 with this patch - so i can get centrino > > > > > speedstep support in 2.4 - but it won't load: > > > > > > > > > > # modprobe speedstep-centrino > > > > > /lib/modules/2.4.22-jl9/kernel/arch/i386/kernel/speedstep-centrino.o: > > > > > init_module: No such device > > > > > > > > > > Any ideas? > > > > > > > > Could you post your /proc/cpuinfo to the cpufreq mailing list at > > > > cpufreq@www.linux.org.uk, please? > > > > Thanks. Here's the (most likely) problem: the -jl kernel patch misses a > > critical update to the speedstep-centrino module which is necessary to get > > it loaded. Either get the latest cpufreq CVS sources from > > http://cvs.arm.linux.org.uk [check for the latest LINUX_2_4 nightly build] > > and replace -jl9's arch/i386/kernel/speedstep-centrino.c with the version > > in the linux_2_4 CVS, or contact the -jl maintainer to do the update and > > release a new -jl kernel. > > Yup, that indeed was the problem. I have another question though: the > speedfreq daemon that can change the setting according to the load does not > work with the 2.4 implementation since it uses sysfs which is only present in > the newer 2.5+ kernels. > > Now; I've got this nice cpu, i got it recognized... how the hell do I change > the frequency?? I'm looking on the net; but I'm not able to find any relevant > documentation... echo -n "0%0%100%userspace" > /proc/cpufreq to enable the userspace governor, and then you can set the frequency in /proc/sys/cpu/0/speed Dominik