RE: cpufreq bug with 2 DIMM's on VNF3-250.

[chris stones <chris.stones@gmail.com>]

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>
 >> [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 <mailto: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 <mailto:Chris.stones@gmail.com>.
 >>> >
 >>> > _______________________________________________
 >>> > Cpufreq mailing list
 >>> > Cpufreq@lists.linux.org.uk <mailto:Cpufreq@lists.linux.org.uk>
 >>> > http://lists.linux.org.uk/mailman/listinfo/cpufreq
 >>> >
 >
 >>
 >>