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On 03/21/2013 11:31 AM, Nikos Chantziaras wrote: |
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> On 20/03/13 06:01, 木叶 wrote: |
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>> Hi all, |
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>> |
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>> I'm suffering screen tearing when moving windows around, watching |
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>> videos, and some other situations. I've tried almost all popular desktop |
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>> environments, including KDE, gnome(both traditional gnome 2 and new |
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>> gnome 3), and xfce, the issue always exists except in gnome 3. For the |
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>> main difference between these window managers, is gnome 3's window |
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>> manager (mutter) is based on opengl, I think there may be some problems |
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>> with my card's 2D acceleration. But'cat /proc/mtrr' shows everything is |
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>> well. |
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>> My graphical card is Nvidia Geforce GT240M, and I'm using the official |
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>> Nvidia drivers. |
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>> |
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>> Does anyone have any suggestions on how to troubleshoot this issue? Any |
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>> help much appreciated! |
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> |
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> Yes. Enable VSync and the issue goes away. I use KDE and the setting |
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> is in System Settings, Desktop Effects, "Advanced" tab ("Use VSync" |
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> checkbox.) |
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> |
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> |
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Thank you. I use XFCE4, and can't find any "VSync" like settings. But |
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I've found another way to solve the problem. I've replaced the default |
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WM xfwm4 with opengl-based emerald, and everything goes well now :-) . |