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Old 01-30-2009, 05:28 PM
John Baker
 
Default Xinerama + effects in KDE4 on Intrepid 64

Hi, I just thought that I would see if anyone has any suggestions for
manually fixing this or if there is an essential comparability problem.

I used the nvidia utility to set up xorg with xinerama and TwinView so
that I could have an extended desktop over two monitors. This sseems,
however, to cause some kind of conflict with the composite and damage
extensions so that when I go to enable built in effects they cannot be
enabled as "required X extensions (XComposite and XDamage) are not
available". I tried specifically loading them in the file and that
doesn't seem to help (they are on in xorg by default anyhow I think)
There is actually a message in the load that claims they loaded but then
they don't when X is fully started and there is no log explanation about
what happened.

Oddly, this configuration also makes it so that the Display component of
systems settings crashes without loading whenever I start it. I guess
its not configured for xinerama?

Anyhow, here is my current xorg file. I turned of the twin view setting
and just left xinerama on and that seemed to make no difference at all.

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 1680 0
Screen 1 "Screen1" LeftOf "Screen0"
EndSection

#Section "Extensions"
# Option "Composite" "Enable"
# Option "Damage" "Enable"
#EndSection


Section "Module"
Load "glx"
Load "v4l"
EndSection

Section "ServerFlags"
# Option "Xinerama" "true"
Option "Xinerama" "1"
EndSection

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

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
EndSection

Section "Monitor"
#
Identifier "monitor1"
VendorName "Unknown"
ModelName "Samsung SyncMaster"
HorizSync 30.0 - 81.0
VertRefresh 56.0 - 75.0
Gamma 1
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@60" 40.0 800 840 968 1056 600 601 605 628
+hsync +vsync
ModeLine "1280x768@60" 80.1 1280 1344 1480 1680 768 769 772
795 -hsync +vsync
ModeLine "1280x720@60" 74.5 1280 1336 1472 1664 720 721 724
746 -hsync +vsync
ModeLine "1280x800@75" 107.2 1280 1360 1496 1712 800 801 804
835 -hsync +vsync
ModeLine "1280x768@75" 103.0 1280 1360 1496 1712 768 769 772
802 -hsync +vsync
ModeLine "1280x800@60" 83.5 1280 1344 1480 1680 800 801 804
828 -hsync +vsync
ModeLine "1440x900@75" 136.5 1440 1536 1688 1936 900 901 904
940 -hsync +vsync
ModeLine "1440x900@60" 106.5 1440 1520 1672 1904 900 901 904
932 -hsync +vsync
ModeLine "1600x1024@60" 136.4 1600 1704 1872 2144 1024 1025
1028 1060 -hsync +vsync
ModeLine "1680x1050@60" 147.1 1680 1784 1968 2256 1050 1051
1054 1087 -hsync +vsync
ModeLine "1920x1200@60" 193.2 1920 2048 2256 2592 1200 1201
1204 1242 -hsync +vsync
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Apple Cinema HD"
HorizSync 74.0 - 74.6
VertRefresh 60.0
EndSection


Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 GS"
BusID "PCI:7:0:0"
EndSection

Section "Device"
Identifier "Videocard1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 LE"
BusID "PCI:2:0:0"
EndSection


Section "Screen"
#
Identifier "screen1"
Device "Videocard1"
Monitor "Monitor1"
DefaultDepth 24
# Option "TwinView" "0"
Option "metamodes" "1680x1050@60 +0+0; 1600x1024@60 +0+0;
1440x900@60 +0+0; 1440x900@75 +0+0; 1280x800@60 +0+0; 1280x768@75 +0+0;
1280x800@75 +0+0; 1280x720@60 +0+0; 1280x768@60 +0+0; 800x600@60 +0+0;
800x600@75 +0+0; 800x600@72 +0+0; 800x600@56 +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection


Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
# Option "TwinView" "0"
# Option "metamodes" "nvidia-auto-select +0+0"
EndSection

--
John Baker
Network Systems Administrator
Marlboro College
Phone: 451-7551 off campus; 551 on campus


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