Messages in this thread | | | Date | Fri, 27 Feb 2004 08:14:08 -0500 (EST) | From | Zwane Mwaikambo <> | Subject | Re: Mobile Intel Pentium(R) 4 - M CPU 2.60GHz - kernel 2.6.3 |
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On Fri, 27 Feb 2004, Bob Dobbs wrote:
> I am currently running kernel 2.6.3 on my Dell Inspiron 8500 laptop. > I disabled all the ACPI and APM options in the kernel. > > I have upgraded my bios > I have tried from kernel 2.4.23 up to mm and love-sources and my current kernel 2.6.3. > > What happens is during heavy loads my cpu drops from 2.60GHz down to > 1.20GHz, this happens for a few minutes, say 5 - 10 at the most. But > performance while running a game, puts the game into slow motion. (Which > is weird because 1.20GHz should be more than enough to run all of the > games I currently have). I have read up on the documentation in > /usr/src/linux/Documentation, under the "power" and "cpu-freq" but after > disabling ACPI and such, those options do not seem to work anymore.
Just to clarify, the cpu-freq driver does not operate normally when ACPI is disabled? Which cpu-freq driver are you using?
> I have also tried running a program called "cpufreqd" which launches at > boot time, but once again without ACPI enabled in the kernel this seems > not to work either. Also /sys/devices/system/cpu/cpu0/cpufreq/ has the > following files.
Out of interest do you have CONFIG_X86_MCE_P4THERMAL enabled?
> cpuinfo_min_freq > cpuinfo_max_freq > scaling_min_freq > scaling_max_freq > > I even tried to echo the options at bootup: > > echo 2600000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq & > echo 2000000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq & > > I tried to make those files set at: 2.00GHz min and 2.60GHz max, but > something changes them right back to 1.20GHZ no matter what I do. > > I am sure I am missing something, but atm I am totally lost.. and I > could surely be doing everything wrong to begin with... that is why I am > asking for help. > > Is there a patch or anything to force the cpu to run at 2.60GHz all the time? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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