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Old 10-01-2006, 01:22 PM   #1
Registered: Sep 2003
Location: Suwon, Korea
Distribution: Slackware 14
Posts: 288

Rep: Reputation: 32
recent issue with twinview

I recently had to reinstall my slackware system. I am reconfiguring X, and I can't get it to behave the way it would behave a week ago, before the reinstall. I had a twinview setup, in the KDE screen settings, the system saw each monitor as a seperate monitor (monitor 1, monitor 2). I could open a game and it would only open in the left monitor, and the right one would turn off. I've gotten dual monitors back up, and they generally behave well, programs maximize on only one screen, I was able to set different backgrounds on each monitor since KDE saw them as two different displays, and so on, but all my games now open in the center of both screens, since they can't tell it is not one giant monitor. They used to be able to do this, and I cannot find out how I had xorg.conf configured to allow for this. I have searched all day for an answer and have found nothing. Here is my xorg.conf file, I'm hoping someone knows what I'm missing here.

Section "Module"

Load "dbe" # Double buffer extension

SubSection "extmod"
Option "omit xfree86-dga" # don't initialise the DGA extension

Load "type1"
Load "freetype"
Load "speedo"

Load "glx"


Section "Files"

RgbPath "/usr/X11R6/lib/X11/rgb"

FontPath "/usr/X11R6/lib/X11/fonts/local/"
FontPath "/usr/X11R6/lib/X11/fonts/misc/"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/Type1/"
FontPath "/usr/X11R6/lib/X11/fonts/CID/"
FontPath "/usr/X11R6/lib/X11/fonts/Speedo/"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/"
FontPath "/usr/X11R6/lib/X11/fonts/cyrillic/"


Section "ServerFlags"

Option "Xinerama" "false"


Section "InputDevice"

Identifier "Keyboard1"
Driver "kbd"


Section "InputDevice"

Identifier "Mouse1"
Driver "mouse"
Option "Buttons" "3"
Option "ZAxisMapping" "4 5"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/mouse"

Option "Protocol" "PS/2"

Option "Device" "/dev/mouse"


Section "Monitor"

Identifier "Dell Monitor"
HorizSync 30 - 107
VertRefresh 48 - 120


Section "Device"
Identifier "Nvidia 5900 Overclocked 1"
Driver "nvidia"
BusID "PCI:01:00:0"
Option "HWCursor" "off"
Option "TwinView" "True"
Option "TwinViewOrientation" "RightOf"
Option "SecondMonitorHorizSync" "30-107"
Option "SecondMonitorVertRefresh" "48-120"
Option "MetaModes" "1280x1024,1280x1024"
Option "ConnectedMonitor" "CRT,CRT"
Option "NvAGP" "1"

Section "Screen"
Identifier "Screen 0"
Device "Nvidia 5900 Overclocked 1"
Monitor "Dell Monitor"

DefaultDepth 24

Subsection "Display"
Depth 8
Modes "1024x768" "800x600" "640x480"
Subsection "Display"
Depth 16
Modes "1024x768" "800x600" "640x480"
Subsection "Display"
Depth 24
Modes "1280x1024" "800x600" "640x480"
Subsection "Display"
Depth 32
Modes "1024x768" "800x600" "640x480"

Section "ServerLayout"

Identifier "Dual Layout"
Screen 0 "Screen 0" 0 0
InputDevice "Mouse1" "CorePointer"
InputDevice "Keyboard1" "CoreKeyboard"

Old 10-01-2006, 06:04 PM   #2
Registered: Sep 2003
Location: Suwon, Korea
Distribution: Slackware 14
Posts: 288

Original Poster
Rep: Reputation: 32
Figured it out. For any who are curious, the reason was my sdl wasn't compiled with the ability to determine the screens identities from Xinerama (the nvidia drivers implementation". Once I updated it, everything began acting normally.


twinview, xinerama, xorgconf

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