From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Bruno Subject: Re: cpu won't stay in powersave mode Date: Sat, 20 Dec 2003 17:21:13 +0000 Sender: cpufreq-bounces@www.linux.org.uk Message-ID: <1071940873.15296.7.camel@localhost> References: <1071501484.21334.1.camel@localhost> <20031219161550.GA6909@dominikbrodowski.de> Reply-To: crweb@vwords.com Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============23997723308262842==" Return-path: In-Reply-To: <20031219161550.GA6909@dominikbrodowski.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: cpufreq-bounces@www.linux.org.uk To: Dominik Brodowski Cc: cpufreq@www.linux.org.uk --===============23997723308262842== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-d3hQSgfKXcERbXxsSLDq" --=-d3hQSgfKXcERbXxsSLDq Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2003-12-19 at 16:15, Dominik Brodowski wrote: > On Mon, Dec 15, 2003 at 03:18:04PM +0000, Tom Bruno wrote: > > Sorry, accendtly hit reply instead of send to list. > >=20 > > On Mon, 2003-12-15 at 14:14, Thomas Renninger wrote: > > > Tom Bruno wrote: > > >=20 > > > >Like i said above if I change it via hand using echo, /proc/cpuinfo > > is > > > >correct, and the cputest reports the correct speed constantly. > > > > > > > >performance mode: 2.4ghz > > > >powersave mode: 1.2ghz > > > >Intel P4-M 2.4ghz > > > >Dell Inspiron 8500 - Bios A05 > > > >kernel-2.6.0-test11 > > > > =20 > > > > > > > /proc/cpu_info didn't work for me, too. > > > However it seems to work now(after I changed the governors to be=20 > > > compiled as modules(or the way around?)). > > >=20 > > I've now tried both as modules, and compiled in, /proc/cpuinfo works > > niether report correctly. > >=20 > > > If you want to detemine the current real speed of your machine use th= e > > > procspeed prog I posted some days ago(04.12, 09.12). > >=20 > > yes, that is the program i spoke of. However, like i said, when > > /proc/cpuinfo is reporting wrong, my system works it's way back to full > > speed even though powersave is in the /sys scaling_governor. > >=20 > > It will report the changed speed (clockdown to 1.2ghz) for about 10 > > seconds, and then will start to report again at 2.4ghz even though the > > setting haddn't changed. >=20 > I think the BIOS is meddling with the speedstep setting [this is more > common for older systems, but obviously some vendors still think it's a g= ood > idea] . If it were cpufreq, the value in /proc/cpuinfo would be updated a= s > well. >=20 > Do you run an ACPI-enabled kernel?=20 >=20 > Dominik Yes, I have acpi enabled, and to the best of my knowledge, it is functioning correclty, at least "externally" /proc/acpi/events works and returns events and stuff. Don't know about non visiable internals though. New stats: Dell Inspiron 8500 Bios: A05 Cpu: Pentium-M 2.4ghz Gentoo Linux Kernel: 2.4.23, 2.6.0=20 --=-d3hQSgfKXcERbXxsSLDq Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQA/5IUICVsg1UpxmOwRAt9SAJ4mDABxKdPLptcPA7tlHi7e0yok/ACfdDy7 ZP2zIKFh0jjWMGOT1vWd208= =gCi+ -----END PGP SIGNATURE----- --=-d3hQSgfKXcERbXxsSLDq-- --===============23997723308262842== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Cpufreq mailing list Cpufreq@www.linux.org.uk http://www.linux.org.uk/mailman/listinfo/cpufreq --===============23997723308262842==--