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    SubjectRe: High CPU temp on Athlon MP w/ recent 2.6 kernels
    On Tuesday 06 April 2004 15:36, Joerg Sommrey wrote:
    >some similar problems have already been reported. However, this
    > looks a bit different. With a large number of recent kernels (2.6.4
    > and 2.6.5, mm-series and rc-series) the temperature of my CPUs is
    > *much* higher than with 2.6.3-mm4 (and previous). My board is a
    > Tyan Tiger MPX with 2x Athlon 2000+ MP. The temperature is about
    > 38-45 Celsius (on low load) with 2.6.3-mm4. Later kernels show
    > 48-55 Celsius. I'm using amd76x_pm for power-saving (both
    > linux-2.6-amd76x_pm-20031109.patch and patch-2.6.4-amd76x_pm). At
    > the moment this is not a big problem as 2.6.3-mm4 works perfect for
    > me. However, there might be future changes that make me wanting a
    > newer kernel...
    >I did some tests with nmi_watchdog and the proprietary Nvidia
    > graphics driver and didn't find any impact. There's no significant
    > difference using no nmi_watchdog, nmi_watchdog=1 (only 2.6.3-mm4)
    > or
    >nmi_watchdog=2. I also did some tests without an X server running:
    >temperatures go down to the lower end but the difference of 10
    > Kelvin between 2.6.3-mm4 and 2.6.5 persists. I didn't try any of
    > the acpi kernel-parameters.
    >See attached config for 2.6.5 for details.
    >Any ideas?

    Recently I've had to change the multiplier in gkrellm to reduce it by
    a div/10 to get the correct reading. I've no idea how to make
    sensors see the new, multiplied by 10 readings correctly, I cannot
    make it run with later 2.6 kernels.

    For gkrellm-2.1.28, the .28 version is needed by later kernels anyway,
    use the default, it apparently already corrects for this with its
    1.000 multiplier. 2.1.24, when it worked, had to have a multiplier
    of 0.1000.

    But join the 70C club, that AMD athlon keeps itself at a medium simmer
    full time. Mine has been running 67-72C for 3 years now. Strangly,
    shutting down setiathome doesn't cool it by more than a couple
    degrees C. And, its got a $50 all copper Glaciator cooler on it,
    heavy heavy heavy.

    Cheers, Gene
    "There are four boxes to be used in defense of liberty:
    soap, ballot, jury, and ammo. Please use in that order."
    -Ed Howdershelt (Author)
    99.22% setiathome rank, not too shabby for a WV hillbilly attornies please note, additions to this message
    by Gene Heskett are:
    Copyright 2004 by Maurice Eugene Heskett, all rights reserved.
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