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Thread: Overlapping windows flicker under Compiz/GNOME3 Fallback

  1. #1
    Join Date
    Mar 2011
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    27

    Overlapping windows flicker under Compiz/GNOME3 Fallback

    Hello all, I've got an inoffensive, yet quite annoying bug that has been running under Oneiric/GNOME3 Fallback/Compiz. As I am not good with words even in my mother language, here is a 45sec demonstration of said bug:

    http://www.youtube.com/watch?v=wSDDagDfnFs

    In summary: clicking overlapping windows cause them to flicker as they are focused.

    I've looked up this problem but was unable to find anything close to it, except for a cube effect flicker in this thread (unsolved):

    http://ubuntuforums.org/showthread.php?t=1860889

    Anyone else experienced this? Can you point me to a thread or help me fix this? Thanks in advance!

    Additional information

    Code:
    lspci | grep -i graphics
    00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
    00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
    
    xorg-server 1.10.4 
    
    Compiz 0.9.6
    Peace
    Last edited by Viman; December 15th, 2011 at 01:53 AM. Reason: highlighted for easy reading

  2. #2
    Join Date
    Dec 2011
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    10

    Re: Overlapping windows flicker under Compiz/GNOME3 Fallback

    I am having the same issue except in Gnome Shell. All overlapping windows act exactly how your video showed, and the Shell "Activities" panel and all notifications do it as well.

    My graphics hardware is different than yours so at least I know its not my drivers again. But any help would be much appreciated, apparently this is a general Gnome issue, as it apparently affects Fallback and Shell

    My graphics hardware is a AMD Radeon HD 6850 with the latest catalyst drivers version 11.12.

  3. #3
    Join Date
    Mar 2006
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    Dapper Drake Testing/

    Re: Overlapping windows flicker under Compiz/GNOME3 Fallback

    I had a similar problem when the focus animation was set to "fade". Once I set it through ccsm -> animations -> focus to none this kind of flickering stopped.

  4. #4
    Join Date
    Mar 2011
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    27

    Re: Overlapping windows flicker under Compiz/GNOME3 Fallback

    Like arisp said, it goes away once you disable the "fade" animation. That was the fix for me anyway.

    I think this is a GNOME glitch in general, I had a LXDE+Compiz setup on my other machine and it never did it.

  5. #5
    Join Date
    May 2009
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    Illinois (United States)
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    440
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Overlapping windows flicker under Compiz/GNOME3 Fallback

    The other bug at http://ubuntuforums.org/showthread.php?t=1860889 may be related.

    See if the same fix works for this...

    sudo apt-get install synaptic

    sudo apt-add-repository ppa:vanvugt/compiz-preproposed

    sudo apt-get update

    sudo apt-get install compiz=1:0.9.7.8-0ubuntu1vvpreproposed2 compiz-core=1:0.9.7.8-0ubuntu1vvpreproposed2 compiz-gnome=1:0.9.7.8-0ubuntu1vvpreproposed2 compiz-plugins=1:0.9.7.8-0ubuntu1vvpreproposed2 compiz-plugins=1:0.9.7.8-0ubuntu1vvpreproposed2 compiz-plugins-default=1:0.9.7.8-0ubuntu1vvpreproposed2 libdecoration0=1:0.9.7.8-0ubuntu1vvpreproposed2

    (it will downgrade packages, allow it to continue)

    Start synaptic

    in "Search filter": put "compiz"

    select every package that has a (!) next to it.

    Select Package -> lock version

    (they become red)

    exit synaptic

    Reboot or Restart X/Compiz.

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