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Thread: random X freeze with latest ati driver

  1. #11
    Join Date
    Jun 2008
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    I have this problem too.
    Random X freeze but only with Desktop Effects enabled in kde4.
    Can't switch to console.

    system: gentoo
    driver: xf86-video-ati and mesa compiled from git
    xorg-server: 1.5.3

    xorg.conf:
    Identifier "Card0"
    Driver "radeon"
    VendorName "ATI Technologies Inc"
    BoardName "M56P [Radeon Mobility X1600]"
    BusID "PCI:1:0:0"
    Option "AccelMethod" "EXA"

    Everything freezes except for the mouse cursor.

  2. #12
    Join Date
    Jan 2008
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    Have a good day.
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    678

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    Mobility radeon 9600/9700, no composite thing, no fancy xorg.conf options, laptop fails to resume from suspend to ram like 20% of the times. This started a couple of weeks ago when I removed fglrx and left only radeon on the system (version from Debian sid).

  3. #13
    Join Date
    Dec 2006
    Posts
    112

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    Does anyone investigate this issue? How can I help? I'd really like to activate acceleration because scrolling in firefox is *much* smoother this way. But when I take "MigrationHeuristics Greedy" out of my xorg.conf, X freezes after about 15 minutes.

  4. #14
    Join Date
    Oct 2007
    Location
    Toronto-ish
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    7,538

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    Stormking, you mentioned earlier that improving cooling to the GPU fixed the problem; did it come back ?

  5. #15
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    Dec 2006
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    112

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    Quote Originally Posted by bridgman View Post
    Stormking, you mentioned earlier that improving cooling to the GPU fixed the problem; did it come back ?
    There seems to be a misunderstanding. Cooling the GPU helped me with the X-freezes-but-mouse-pointer-can-still-be-moved-problem, two years ago. Now, there's a X-freezes-completely-when-acceleration-is-activated-problem.

  6. #16
    Join Date
    Jun 2008
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    It's not a cooling problem. In my opinion there's a bug related to (compiz, kde desktop effects) acceleration. I don't know how to file a bug report cause the freeze can't make me switch to console.

  7. #17
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    Oct 2007
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    Quote Originally Posted by Stormking View Post
    There seems to be a misunderstanding. Cooling the GPU helped me with the X-freezes-but-mouse-pointer-can-still-be-moved-problem, two years ago. Now, there's a X-freezes-completely-when-acceleration-is-activated-problem.
    Got it. Thanks !

  8. #18
    Join Date
    Dec 2006
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    112

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    I'd like to repeat my question: Is anyone investigating this issue? And how can I help?

  9. #19
    Join Date
    Oct 2007
    Posts
    48

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    I also have freezes with my Ati Mobility Radeon 9700 and the open source radeon driver. With Desktop Effects enabled X freezes immediately, without it system sometimes holds out for some minutes, but most of the time just a few seconds after login.

    Solution was to set AGPMode to x1 :
    Code:
    	Option		"AGPMode"	"1"
    I don't know if this is really a "real" solution or just a dirty fix. Default value for this card is 4 and as far as I could measure I lose some fps, but everything is stable.

    I hope it can help.
    Or at least someone can tell, why default value doesn't work...

  10. #20
    Join Date
    Aug 2007
    Location
    Poland
    Posts
    215

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    Quote Originally Posted by Stormking View Post
    I had this problem some time ago, with the OSS driver *and* fglrx. The solution was to provide better cooling to the GPU.
    The same with my Radeon 9600 and my friends Radeon 9250 - after opening the computer I noticed the graphic card is very hot (no fan on card). With computer cover open I've noticed a lot better stability on the open source drivers. Both systems use Kubuntu 8.10 and the default xorg.conf.

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