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non-smooth window movement on gnome 3 and Unity

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  • non-smooth window movement on gnome 3 and Unity

    OS: Ubuntu 12.04
    Videocard: HD 6850
    Ati driver version: 12.4

    When dragging a window (or playing video) the movement is non-smooth. It is worse in Unity 3d. It is also seen in Gnome3. On unity-2d there is no problem. Is this a compiz issue or amd driver or X11 issue. Is there a solution. Thanks

  • #2
    Most probably it is the AMD "pro" driver...

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    • #3
      Originally posted by Hirager View Post
      Most probably it is the AMD "pro" driver...
      Is there a different driver that I can use. I have three monitors. I need a driver that will support more than 2. Thanks

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      • #4
        Originally posted by odror View Post
        Is there a different driver that I can use. I have three monitors. I need a driver that will support more than 2. Thanks
        It depends on your workflow. There is the free driver which is still not good enough for high performance 3D, but has perfect 2D. Also, I am not sure if it supports 3 displays. I honestly do not know that. You could also try a different desktop environment, like KDE, as Unity is a performance killer.

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        • #5
          Originally posted by Hirager View Post
          It depends on your workflow. There is the free driver which is still not good enough for high performance 3D, but has perfect 2D. Also, I am not sure if it supports 3 displays. I honestly do not know that. You could also try a different desktop environment, like KDE, as Unity is a performance killer.
          Do you think that a faser card with more memory will make a difference in my situation.

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          • #6
            Originally posted by odror View Post
            Do you think that a faser card with more memory will make a difference in my situation.
            It's not that simple. What do you use your system for? This is the first question to ask.

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            • #7
              Originally posted by Hirager View Post
              It's not that simple. What do you use your system for? This is the first question to ask.
              I use it mainly for web Browsing email and DVR (mythtv play videos)

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              • #8
                Originally posted by odror View Post
                I use it mainly for web Browsing email and DVR (mythtv play videos)
                Really? The model of your card suggests something much more intensive. In this case you should be fine with open driver. Just remove the proprietary driver from your system. You installed it with jockey program or with installer from AMD website? If jockey, then just the same program to remove the driver. If separate driver binary, then I don't remember how to do it. There is a way to do it.

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                • #9
                  Then maybe you will try FOSS driver instead of proprietary? To do that you need to uninstall proprietary driver and remove xorg.conf, if you have it.
                  You also maybe want to set different power profile, to reduce noise.

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                  • #10
                    Originally posted by Hirager View Post
                    Really? The model of your card suggests something much more intensive. In this case you should be fine with open driver. Just remove the proprietary driver from your system. You installed it with jockey program or with installer from AMD website? If jockey, then just the same program to remove the driver. If separate driver binary, then I don't remember how to do it. There is a way to do it.
                    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.

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                    • #11
                      And... so what?

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                      • #12
                        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.

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                        • #13
                          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.

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                          • #14
                            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, 05:24 PM.

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                            • #15
                              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.

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