Public bug reported:
I run a current Kubuntu system with a dual head NVidia card and the
proprietary NVidia drivers. For various reasons I have to run the dual
head as two X servers. My current X config runs fine with KDE3, when
running KDE4 however both heads desktops are drawn on top of one another
on only one of my displays, the other display is inaccessible.
Additionally the desktop config tool under KDE3 correctly identifies the
two displays but under KDE4 it sees only one of the displays. I enquired
about this problem on the Kubuntu-kde4 IRC channel where another user
reported the same issue, but no known fix.
Description: Ubuntu 8.04
Release: 8.04
It affects any of the KDE4 versions I have tried over the last 6 months
of tracking.
xorg.conf:
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" RightOf "Screen1"
Screen 1 "Screen1" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
RgbPath "/usr/X11R6/lib/X11/rgb"
EndSection
Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
EndSection
Section "ServerFlags"
Option "Xinerama" "0"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
# HorizSync source: twinview, VertRefresh source: twinview
Identifier "Monitor1"
VendorName "Unknown"
ModelName "ViewSonic VX715"
HorizSync 31.5 - 80.0
VertRefresh 60.0
Option "DPMS"
EndSection
Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor0"
VendorName "Unknown"
ModelName "ViewSonic VX2235wm"
HorizSync 30.0 - 82.0
VertRefresh 50.0 - 75.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7600 GT"
BusID "PCI:2:0:0"
Screen 0
EndSection
Section "Device"
Identifier "Videocard1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7600 GT"
BusID "PCI:2:0:0"
Screen 1
EndSection
Section "Screen"
Identifier "Screen1"
Device "Videocard0"
Monitor "Monitor1"
DefaultDepth 24
Option "metamodes" "DFP-1: 1280x1024 +0+0; DFP-1: 1024x768 +0+0"
SubSection "Display"
Depth 16
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
Depth 24
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
Depth 32
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard1"
Monitor "Monitor0"
DefaultDepth 24
Option "metamodes" "DFP-0: 1680x1050 +0+0; DFP-0: 1280x1024 +0+0;
DFP-0: 1024x768 +0+0"
SubSection "Display"
Depth 16
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
Depth 24
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
Depth 32
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
** Affects: ubuntu
Importance: Undecided
Status: New
--
KDE4: Multi head multi X servers causes desktops to be rendered on top of one
another
https://bugs.launchpad.net/bugs/233937
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