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Thread: HD 3850 temperature (?) problems

  1. #1
    Join Date
    Feb 2008
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    88

    Default HD 3850 temperature (?) problems

    Hello,

    stress-testing the new Nexuiz release on my rig makes my system with a HD 3850 have nice X freezes (or black screens) on Ubuntu 8.04 x86-64.

    Booting into windows I noticed I can easily push the gfx card to 92C without the gfx card fan speeding up audibly (and without crashing). On Linux I once got it to sound a bit like a vacuum cleaner, so I guess the card may get even hotter with fglrx.

    Dumb question: Is there a tool for Linux to read the gfx card temperature? It may be the temperature, it may be some unrelated fglrx-specific thing, but without sensors I just can't tell. I find it rather disappointing that the catalyst control center doesn't offer thermal monitoring (the last card without sensors I had was a Nvidia FX5200...) - but then again there may be bigger issues.

  2. #2
    Join Date
    Dec 2007
    Location
    Merida
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    Default

    No temperature sensors available for ATI cards yet. Sensor support on fglrx has been promised, so maybe in the next couple of releases we will see something.

  3. #3
    Join Date
    Feb 2008
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    88

    Default

    Now, that's a pity. "Next couple of releases" could be years! ;-)

  4. #4
    Join Date
    Jun 2007
    Location
    Albuquerque NM USA
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    349

    Default

    It _could be_ a couple of years before temp reporting is included, but new driver releases have been pretty regularly forthcoming at roughly one a month. Most cases you could print the changelog on a matchbook, but they've been releasing new versions as promised.

  5. #5
    Join Date
    Oct 2007
    Posts
    44

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    I've disassembled parts of aticonfig a while back and found some hidden options.
    Some of them were temperature related. Most things didn't work here but my card is pretty old. It's also possible that some things have changed in the meantime

    http://www.phoronix.com/forums/showp...2&postcount=18

  6. #6
    Join Date
    Jan 2008
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    17

    Default

    i just tried

    aticonfig --pplib-cmd "get temperature 0"

    on my 2600pro, and i seems to work. 28 when idling, 37 with glxgears. all while compiz is running.
    so it seems, that it shouldnt be a neckbreaking task to implement this into amdccc.

  7. #7
    Join Date
    Feb 2008
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    88

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    Quote Originally Posted by ig-88 View Post
    aticonfig --pplib-cmd "get temperature 0"
    Oh, that's something I shall try once home. Thanks!

  8. #8
    Join Date
    Oct 2007
    Posts
    44

    Default

    Quote Originally Posted by ig-88 View Post
    i just tried

    aticonfig --pplib-cmd "get temperature 0"

    on my 2600pro, and i seems to work. 28 when idling, 37 with glxgears. all while compiz is running.
    cool .. so it actually works. I'm just getting an error back.

    Quote Originally Posted by ig-88 View Post
    so it seems, that it shouldnt be a neckbreaking task to implement this into amdccc.
    I wouldn't bother amd with that ..neither with queries about that pplib stuff, they probably have their own plans. The functionality is already there at least.

  9. #9
    Join Date
    Apr 2008
    Location
    York, UK
    Posts
    134

    Default

    Yeah, the pplib functions work great on supported cards (which as far as I can tell is the HD series). There's all sorts of info to be had from the various options.
    Last edited by uncle_fungus; 05-13-2008 at 08:24 AM.

  10. #10
    Join Date
    Dec 2007
    Location
    Merida
    Posts
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    Default

    It seems to work on my HD2900XT as well.

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