Re: [gentoo-user] CPU0: Temperature above threshold
Zander Z365 wrote: It always shows 3401.482 for cpu Mhz. Even after I change the frequency. I did some experimenting on my system today, and saw the same problem. It seems if you build an smp kernel that /proc/cpuinfo never updates. But I don't think it matters, because /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq does get updated with the correct value, and the system behaves like cpufreq is working: My time tests below were for decompressing and re-compressing (bzip2 -9) the /usr/portage/distfiles/linux-2.6.11.tar.bz2 tarball. With an smp/smt kernel: Freq Max Temp (C) Time(s) 3000Mhz52 80.29 1500Mhz49 150.82 With a up kernel: Freq Max Temp (C) Time(s) 3000Mhz52 77.38 1500Mhz49 145.10 So, the temperature, fan speed, and performance is lower at 1500Mhz than 3000Mhz, regardless of SMP/SMT support. But in every case with the SMP kernel (even booting with the 'nosmp' option), /proc/cpuinfo continues to report 3Ghz. -Richard -- gentoo-user@gentoo.org mailing list
Re: [gentoo-user] CPU0: Temperature above threshold
Thanks to all of you for helping me. I can successfully emerge X KDE using an SMP kernel and hard setting the CPU frequency. However, using an SMP kernel 'cat /proc/cpuinfo' nor 'x86info -mhz' seem to show the new cpu frequency. I do have two more questions: 1. Using a Uni-processor kernel it appears I do not have to decrease my cpu frequency to emerge large products or compiles. Will I loose a great deal of performance using it since I really only have one cpu (even though It has HT technology)? 2. Will 'speedfreq' work with SMP kernels? On Apr 8, 2005 4:20 PM, Zander Z365 [EMAIL PROTECTED] wrote: Ok. I'm not sure but I think my cpu/fan is working properly. Here is what I did: First, I checked my kernel and I already had all of those features enabled. So then I thought I would try disabling SMP. This was enabled because I have an P4 processor with HT technology. After booting the uniprocessor kernel I successfully did an emerge without my cpu overheating. Is there a command line tool that I can use that will display my CPU temperature and fan speed? I would like to test it on both kernels. On Apr 8, 2005 1:52 PM, Kiawud [EMAIL PROTECTED] wrote: On Apr 7, 2005 5:36 PM, Andreas Vinsander [EMAIL PROTECTED] wrote: Kiawud wrote: In any case, check and make sure that the 'fan' module (and possilby the 'thermal' module) is loaded and working. Maybe it will help to know that those modules can be found in the ACPI section of the kernel config. I even consider it better to compile them into the kernel instead of as modules... Yeah, I suppose that might be helpful to know ;) ... For some reason, I was thinking he was getting temp errors during the install of gentoo (like I had). As such, I had to manually load the modules before starting the installation. (It appears the OP had already installed gentoo and was experiencing this during an emerge). Guess I hadn't had enough caffeine when responding the first time ... my bad. -Hani -- gentoo-user@gentoo.org mailing list -- gentoo-user@gentoo.org mailing list
Re: [gentoo-user] CPU0: Temperature above threshold
Zander Z365 wrote: Yes. I did enable SMT (Hyperthreading) scheduler support. Here is what I have for Processor Family: Pentium-4/Celeron(P4-based)/Pentium-4 M/Xeon) Here is what dmesg reports: CPU0: Intel(R) Pentium(R) 4 CPU 3.40GHz stepping 09 CPU1: Intel(R) Pentium(R) 4 CPU 3.40GHz stepping 09 Are my settings correct? By the way my cpu also has 512K L2 cache. Seems to be correct. So, what _does_ /proc/cpuinfo contain??? -Richard -- gentoo-user@gentoo.org mailing list
Re: [gentoo-user] CPU0: Temperature above threshold
On Thu, Apr 07, 2005 at 08:16:23PM +0200, Richard Fish wrote: The best choice is a small desk fan to blow air over your laptop while compiling. No, I'm not kidding. But it is not very portable. Another good choice is laptop-specific cooler that blows air on the bottom of your laptop. I'm using a Vantec LapCool2 that I am very happy with. This actually works *very well*. When in high school I built a laptop stand using two small blocks of wood and a BBQ rack, with one of those small hand-held fans attached so it blows upwards. Just by elevating the laptop and increasing circulation my IBM Thinkpad runs about 15 degrees cooler. And the stand, though a bit heavy and not very portable, also made it more comfortable to type on the laptop when I am slouching in a couch (you need to cut the wood blocks to a nice angle). Best W -- * Address: 45 Spelman Hall, Princeton University 08544 * * Phone: x68958 AIM: AngularJerk* *E-mail: [EMAIL PROTECTED]From: sep.dynalias.net * BOOK...Man had always assumed that he was more intelligent than dolphins because he had achieved so much... the wheel, New York, wars, and so on, whilst all the dolphins had ever done was muck about in the water having a good time. But conversely the dolphins believed themselves to be more intelligent than man for precisely the same reasons. Sortir en Pantoufles: up 2 days, 23:35 -- gentoo-user@gentoo.org mailing list
