RE: cpu-freq causing kernel lock-up after upgrading to 1GB ram.

* RE: cpu-freq causing kernel lock-up after upgrading to 1GB ram.
@ 2005-05-16 15:19 Langsdorf, Mark
  2005-05-16 17:08 ` Nebojsa Trpkovic
  0 siblings, 1 reply; 4+ messages in thread
From: Langsdorf, Mark @ 2005-05-16 15:19 UTC (permalink / raw)
  To: Nebojsa Trpkovic, cpufreq

If this problem also occurs on Windows, please report
it to your motherboard manufacturer immediately.  They'll
get it fixed.

-Mark Langsdorf
AMD, Inc.

> -----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
> >
> 
> 
> _______________________________________________
> Cpufreq mailing list
> Cpufreq@lists.linux.org.uk 
> http://lists.linux.org.uk/mailman/listinfo/cpu> freq
> 
> 

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