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Thread: non-smooth window movement on gnome 3 and Unity

  1. #11

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    And... so what?

  2. #12
    Join Date
    May 2012
    Posts
    10

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    Quote Originally Posted by odror View Post
    I amplified the story. Two of the monitors are hi res 2560x1440. The total workspace is 8960x1440 when I add a 4th monitor (HDTV) . The reason that I switched from nvidia to ati was that I'll be able to use gnome 3 or unity 3d with 3 or 4 monitors.
    I tried the open source. It does not detect the monitors correctly. It also clones 2 of the monitors. The other 1 or 2 are not activated. I was not able to find the equivalent of catalyst or nvidia settings for the open source driver.

  3. #13
    Join Date
    Oct 2011
    Location
    Toruń, Poland
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    160

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    Quote Originally Posted by odror View Post
    I tried the open source. It does not detect the monitors correctly. It also clones 2 of the monitors. The other 1 or 2 are not activated. I was not able to find the equivalent of catalyst or nvidia settings for the open source driver.
    There is a tool to do that. But I ditched Ubuntu and GNOME so long ago, that I forgot how is it called and where to find it.

  4. #14
    Join Date
    Mar 2009
    Location
    Australia
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    8

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    Hmm i'm on Ubuntu 12.04 LTS with ati 6950 card amd cpu 6 cores latest 12.4 drivers from amd, everything works perfect! an super smooth while dragging windows & movies,games everything with my desktop set at 1920x1080 with Unity 3d, oh yeh love unity my fav so easy to use & fast! imo.
    Last edited by bourbon36; 05-17-2012 at 06:24 PM.

  5. #15
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    May 2012
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    Quote Originally Posted by bourbon36 View Post
    Hmm i'm on Ubuntu 12.04 LTS with ati 6950 card amd cpu 6 cores latest 12.4 drivers from amd, everything works perfect! an super smooth while dragging windows & movies,games everything with my desktop set at 1920x1080 with Unity 3d, oh yeh love unity my fav so easy to use & fast! imo.
    Your card is faster than mime. I have 4 monitors 2 at 2560x1440 and one at 1920x1200 and a fourth at 1920x1080. The demand on my system is higher. May be that is the problem. My cores do not saturate, at least one works at 60-70%. What driver do you use and which version.

  6. #16
    Join Date
    May 2012
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    11

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    this is a solution that works on archlinux really well, and maybe would work for your system too

    Code:
    echo "export CLUTTER_VBLANK=none" > ~/.profile
    then reboot or restart x server

  7. #17
    Join Date
    May 2012
    Posts
    1

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    Quote Originally Posted by odror View Post
    Your card is faster than mime. I have 4 monitors 2 at 2560x1440 and one at 1920x1200 and a fourth at 1920x1080. The demand on my system is higher. May be that is the problem. My cores do not saturate, at least one works at 60-70%. What driver do you use and which version.
    I have the same issue with an i5 2500k + 7970 + triple monitor desktop @ 5760x1200 in Gentoo with the 12.4 drivers and Gnome 3.2. 3D acceleration works great (testing with Unigine Heaven), but 2D is atrocious. Given the speed of the 7970, I can't imagine the (lack of) rendering capability is the limitation.

  8. #18
    Join Date
    Feb 2009
    Posts
    8

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    I to have been experiencing the same problems, and have tracked it back to possible kernel problem. I have check and top and compiz are using a very large amount of memory and cpu. It's not just AMD drivers or any other problems. Many different CPUs and video cards have been tested and it's not any one system. There have already been a number of bug reports on this.

    https://bugs.launchpad.net/ubuntu/+s...iz/+bug/989035

    https://bugs.launchpad.net/ubuntu/+s...ux/+bug/985661

    I had to resort back to using OpenBox, and still my CPU usage is a bit higher then normal.

  9. #19
    Join Date
    Jan 2009
    Posts
    466

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    @OP.

    Your issue could be due to a number of causes. I pulled my hair out trying to solve an issue with identical symptoms to yours not that long ago. Dragging windows resulted in visual stuttering under compiz. The root cause was that I had a super-de-duper-gee-whiz mouse (RAT 7), and the high polling rate was causing compiz to resync a thousand times per second. Manually reducing the mouse polling rate (or using a cheap mouse) resolved the issue.

    Give it a shot if you have a high resolution mouse.. It's a simple cut/paste to the terminal to try it out. You can set it at boot/login using whatever method suits your distro and disposition.

    F

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