From mboxrd@z Thu Jan 1 00:00:00 1970 From: chris stones Subject: RE: cpufreq bug with 2 DIMM's on VNF3-250. Date: Tue, 17 May 2005 17:35:44 +0100 Message-ID: <428A1D60.3050509@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: cpufreq-bounces@lists.linux.org.uk Errors-To: cpufreq-bounces+glkc-cpufreq=gmane.org@lists.linux.org.uk Content-Type: text/plain; charset="us-ascii"; format="flowed" To: cpufreq@lists.linux.org.uk If its my Motherboard.... Then why does cpu frequency scaling work perfectly fine in Knoppix 0.6 ???? what does the cpu-frequency driver do in knoppix 0.6 (2.6 kernel option) that th vanilla kernel doesnt ??? >> -----Original Message----- >> From: cpufreq-bounces@lists.linux.org.uk >> [mailto:cpufreq-bounces@lists.linux.org.uk] On Behalf Of >> Nebojsa Trpkovic >> Sent: Sunday, May 15, 2005 6:50 PM >> To: cpufreq@lists.linux.org.uk >> Subject: Re: cpu-freq causing kernel lock-up after upgrading >> to 1GB ram. >> >> >> Same problem here - VNF3-250 - if there's one RAM module >> C'n'Q works fine, and if I put two modules it freezes every >> time I try to change frequency, no matter linux or windows. >> So, it's not cpufreq related problem - it just buggy VNF3-250 >> C'n'Q inplementation. >> >> >> >> >> chris stones wrote: >> > >>> > This is my first attempt at a bug report, so forgive me for > >> making a > >>> > mess, I will try my best. >>> > >>> > ------------------------- >>> > hardware: >>> > ------------------------- >>> > mobo: Chaintech VNF3-250 >>> > chipset: nForce-3 >>> > CPU: amd64 Athlon 3400+ >>> > Ram: 2 * Kingston 512Meg DDR400 PC3200 2T timeing 3-3-8-3. > >> (total 1GB) > >>> > Swap : 1.3 Gb. >>> > >>> > -------------------------- >>> > software: >>> > -------------------------- >>> > Distro: Gentoo 2005.0 (comiped as 64bit with multilib) >>> > GCC: gcc version 3.4.3 20041125 (Gentoo Linux 3.4.3-r1, ssp-3.4.3-0, >>> > pie-8.7.7) >>> > kernel versions: gentoo 2.6.11-r7; vanilla-2.6.10; vanilla-2.6.11.9 >>> > >>> > -------------------------- >>> > description: >>> > -------------------------- >>> > I have been using the modules freq_table, cpufreq_ondemand, >>> > powernow_k8 to regulate my cpu clock for over 6 months with the >>> > hardware configureation shown above, minus one 512meg ram module. >>> > >>> > Recently, i shutdown the box, and added the second memory > >> module. At > >>> > the time, the cpu_fre drivers were compiled into the > >> kernel, shortly > >>> > after booting, the system would freese when cpu_freq > >> lowered my cpu to > >>> > its idle state of 1Ghz. >>> > >>> > These conditions must all be met to cause the lock-up. >>> > 1) Both Ram moodules are used (1GB ram) >>> > 2) the modules freq_table, cpufreq_ondemand, powernow_k8 are loaded. >>> > 3) The lockup occurs when the cpu is slowing down from a period of >>> > heavy load. >>> > >>> > 2 hours running memtest86 shows that my memory is not the problem. >>> > >>> > one one occasion, the kernel gave a memory dump before the > >> freeze. i > >>> > regret i didnt take note of its rull contents, but a function trace >>> > line mentioned a cpu_freq function call. >>> > >>> > If i remove one of the 512meg memory modules, the cpu_freq >>> > performsperfectly, as it has for the past 6 months. >>> > >>> > Thankyou for taking the time to read my post. >>> > Is there anything i can do (other than go without ram or > >> cpu_freq) to > >>> > solve this ? is there any more information you require from me ? >>> > >>> > I have googled, but found no other similar bug reports. >>> > >>> > From Chris.stones@gmail.com . >>> > >>> > _______________________________________________ >>> > Cpufreq mailing list >>> > Cpufreq@lists.linux.org.uk >>> > http://lists.linux.org.uk/mailman/listinfo/cpufreq >>> > > >> >>