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    #1

    screen flickers when i run certain programs

    My screen flickers when I run certain programs. The programs include VLC, Battle For Wesnoth, Freeciv, Icebreaker, Frozen Bubble, visualizations in amarok, The Mana World.

    My Display Adapter is Silicon Integrated Systems [SiS] 315PRO PCI/AGP VGA Display Adapter.
    Resolution is set at 1280 x 1024
    Monitor is Compaq CV735

    its really hard to play these games with the screen flickering every few seconds. It's also very hard on my eyes.

    please help me fix this!

    Thanks in advance
    Tags: None
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    #2
    Re: screen flickers when i run certain programs

    I noticed this as well during Unreal Tournament 2004 - not always though.
    In a world without windows and fences who needs Gates?
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      #3
      Re: screen flickers when i run certain programs

      ok so it happens to someone else to.

      is there anything i can do about it?
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        #4
        Re: screen flickers when i run certain programs

        I noticed the same thing when playing videos, especially high resolution. In my case if I turn off compiz with "kwin -- replace" the flicker dissapears and all videos play normally.
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          #5
          Re: screen flickers when i run certain programs

          This may be of use:
          https://answers.launchpad.net/ubuntu/+question/22485
          HP Pavilion dv6 core i7 (Main)
          4 GB Ram
          Kubuntu 18.10
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            #6
            Re: screen flickers when i run certain programs

            sorry no help there, but if you are asking for my xorg.conf file, here it is:

            # xorg.conf (xorg X Window System server configuration file)
            #
            # This file was generated by dexconf, the Debian X Configuration tool, using
            # values from the debconf database.
            #
            # Edit this file with caution, and see the xorg.conf manual page.
            # (Type "man xorg.conf" at the shell prompt.)
            #
            # This file is automatically updated on xserver-xorg package upgrades *only*
            # if it has not been modified since the last upgrade of the xserver-xorg
            # package.
            #
            # If you have edited this file but would like it to be automatically updated
            # again, run the following command:
            # sudo dpkg-reconfigure -phigh xserver-xorg

            Section "Files"
            EndSection

            Section "InputDevice"
            Identifier "Generic Keyboard"
            Driver "kbd"
            Option "CoreKeyboard"
            Option "XkbRules" "xorg"
            Option "XkbModel" "pc105"
            Option "XkbLayout" "us"
            EndSection

            Section "InputDevice"
            Identifier "Configured Mouse"
            Driver "mouse"
            Option "CorePointer"
            Option "Device" "/dev/input/mice"
            Option "Protocol" "ImPS/2"
            Option "ZAxisMapping" "4 5"
            Option "Emulate3Buttons" "true"
            EndSection

            Section "InputDevice"
            Driver "wacom"
            Identifier "stylus"
            Option "Device" "/dev/input/wacom"
            Option "Type" "stylus"
            Option "ForceDevice" "ISDV4"# Tablet PC ONLY
            EndSection

            Section "InputDevice"
            Driver "wacom"
            Identifier "eraser"
            Option "Device" "/dev/input/wacom"
            Option "Type" "eraser"
            Option "ForceDevice" "ISDV4"# Tablet PC ONLY
            EndSection

            Section "InputDevice"
            Driver "wacom"
            Identifier "cursor"
            Option "Device" "/dev/input/wacom"
            Option "Type" "cursor"
            Option "ForceDevice" "ISDV4"# Tablet PC ONLY
            EndSection

            Section "Device"
            Identifier "Silicon Integrated Systems [SiS] 315PRO PCI/AGP VGA Display Adapter"
            Boardname "SiS generic"
            Busid "PCI:1:5:0"
            Driver "sis"
            Screen 0
            Vendorname "SiS"
            EndSection

            Section "Monitor"
            Identifier "Compaq CV735"
            Vendorname "Plug 'n' Play"
            Modelname "Plug 'n' Play"
            modeline "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
            modeline "640x480@72" 31.5 640 664 704 832 480 489 491 520 -vsync -hsync
            modeline "640x480@75" 31.5 640 656 720 840 480 481 484 500 -vsync -hsync
            modeline "640x480@85" 36.0 640 696 752 832 480 481 484 509 -vsync -hsync
            modeline "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
            modeline "800x600@72" 50.0 800 856 976 1040 600 637 643 666 +hsync +vsync
            modeline "800x600@75" 49.5 800 816 896 1056 600 601 604 625 +hsync +vsync
            modeline "800x600@85" 56.3 800 832 896 1048 600 601 604 631 +hsync +vsync
            modeline "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
            modeline "832x624@75" 57.284 832 864 928 1152 624 625 628 667 -vsync -hsync
            modeline "1024x768@85" 94.5 1024 1072 1168 1376 768 769 772 808 +hsync +vsync
            modeline "1024x768@75" 78.8 1024 1040 1136 1312 768 769 772 800 +hsync +vsync
            modeline "1024x768@70" 75.0 1024 1048 1184 1328 768 771 777 806 -vsync -hsync
            modeline "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -vsync -hsync
            modeline "1024x768@43" 44.9 1024 1032 1208 1264 768 768 776 817 +hsync interlace +vsync
            modeline "1152x864@75" 108.0 1152 1216 1344 1600 864 865 868 900 +hsync +vsync
            modeline "1280x960@60" 102.1 1280 1360 1496 1712 960 961 964 994 -hsync +vsync
            modeline "1280x1024@60" 108.0 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync
            modeline "1400x1050@60" 122.61 1400 1488 1640 1880 1050 1051 1054 1087 -hsync +vsync
            Gamma 1.0
            EndSection

            Section "Screen"
            Identifier "Default Screen"
            Device "Silicon Integrated Systems [SiS] 315PRO PCI/AGP VGA Display Adapter"
            Monitor "Compaq CV735"
            Defaultdepth 24
            SubSection "Display"
            Depth 24
            Virtual 1400 1050
            Modes "1152x864@75" "1280x960@60" "1024x768@43" "1280x1024@60" "1024x768@60" 1400x1050@60" "1024x768@70" "1024x768@75"
            "1024x768@85" "832x624@75" "800x600@60" "800x600@85" "800x600@75" "800x600@72"
            "800x600@56" "640x480@85" "640x480@75" "640x480@72" "640x480@60"
            EndSubSection
            EndSection

            Section "ServerLayout"
            Identifier "Default Layout"
            screen 0 "Default Screen" 0 0
            Inputdevice "Generic Keyboard"
            Inputdevice "Configured Mouse"

            # Uncomment if you have a wacom tablet
            # InputDevice "stylus" "SendCoreEvents"
            # InputDevice "cursor" "SendCoreEvents"
            # InputDevice "eraser" "SendCoreEvents"
            EndSection
            Section "Module"
            Load "glx"
            Load "GLcore"
            Load "v4l"
            EndSection
            Section "ServerFlags"
            EndSection
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              #7
              Re: screen flickers when i run certain programs

              I have bad information - for this card is no way to get 3D accelaration
              (in GNU/Linux) and without it you can't run Compiz Fusion (Desktop Effects...).
              I have found this inforamtion on internet (trustful source)...
              Quote from Link above
              HP Pavilion dv6 core i7 (Main)
              4 GB Ram
              Kubuntu 18.10
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                #8
                Re: screen flickers when i run certain programs

                what does my problem have to do with 3D acceleration
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                  #9
                  Re: screen flickers when i run certain programs

                  Compiz / Desktop effect usually make my videos and Wesnoth flicker. As miciurin pointed out, try disabling anything 3D. I don't know what exactly does GLcore do, maybe I'm way off, but it's an idea.

                  Originally posted by Fintan
                  internet (trustful source)...
                  The Nomad's Land - some Linux humor too
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                    #10
                    Re: screen flickers when i run certain programs

                    where exactly do i disable anything 3D?

                    also i don't have Compwiz on
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                      #11
                      Re: screen flickers when i run certain programs

                      ok it didn't flicker when i upgraded to 8.04 until i turned the screensaver on.
                      when i turned off the screensaver, it stopped flickering. anyone have an explanation for this? I'm just curious.
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                        #12
                        Re: screen flickers when i run certain programs

                        tOaDeR@

                        Would you kindly return to your reply #5 and modify the message and break up the L-O-O-N-G line
                        so it doesn't force this thread to be so W-I-D-E.
                        Windows no longer obstructs my view.
                        Using Kubuntu Linux since March 23, 2007.
                        "It is a capital mistake to theorize before one has data." - Sherlock Holmes​
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                          #13
                          Re: screen flickers when i run certain programs

                          try sudo apt-get remove xgl
                          if xgl is installed.
                          I tried Enlightenment once, it was pretty cool.
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