945GM + Xrandr 1.2 + modesetting: color corruption on LVDS
HENRY David
tfc_duke at club-internet.fr
Sun Feb 11 06:59:27 PST 2007
Hi,
I am running Ubuntu Edgy on a Lenovo 3000 N100, with an intel 945GM.
I've seen that Daniel Stone has built packages for Xrandr 1.2 and
modesetting on Edgy, so I decided to give it a try.
I have a color corruption on my LVDS panel when I run xrandr. The
screens looks like if color depth were at 8 bits (I'm running at 24
bits). If I switch to another screen mode and come back to my "normal"
desktop (like a VT switch, or running Quake 3 fullscreen and exiting,
etc.), the problem disappears. As soon as I run xrandr (even just for a
query), the colors are degraded again.
If I plug a VGA display and setup both displays by running "xrandr
--auto", the problem disappears too. It sometimes happens though, but on
the VGA screen there is no corruption.
Is it a know bug, or am I doing something wrong?
Thanks,
David.
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# /etc/X11/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 /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/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"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/share/fonts/X11/encodings"
# path to defoma fonts
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection
Section "Module"
Load "i2c"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "type1"
Load "vbe"
EndSection
#
########### Input device definitions ##########
#
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "fr"
Option "XkbOptions" "lv3:ralt_switch"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ExplorerPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "true"
EndSection
Section "InputDevice"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "SendCoreEvents" "true"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "HorizScrollDelta" "0"
EndSection
#
########### Device definitions ##########
#
Section "Device"
Identifier "Intel 945GM Express (Default)"
Driver "i810"
BusID "PCI:0:2:0"
VideoRam 131072
EndSection
Section "Device"
Identifier "Intel 945GM Express (Clone)"
Driver "i810"
BusID "PCI:0:2:0"
Option "MonitorLayout" "CRT,LFP"
Option "Clone" "true"
VideoRam 131072
EndSection
Section "Device"
Identifier "Intel 945GM Express (Separate: LFP)"
Driver "i810"
BusID "PCI:0:2:0"
Option "MonitorLayout" "CRT,LFP"
VideoRam 131072
Screen 0
EndSection
Section "Device"
Identifier "Intel 945GM Express (Separate: CRT)"
Driver "i810"
BusID "PCI:0:2:0"
VideoRam 131072
Screen 1
EndSection
#
########### Monitor definitions ##########
#
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
EndSection
Section "Monitor"
Identifier "External Monitor"
Option "DPMS"
EndSection
#
########### Screen definitions ##########
#
Section "Screen"
Identifier "Default Screen"
Device "Intel 945GM Express (Default)"
Monitor "Generic Monitor"
DefaultDepth 24
# SubSection "Display"
# Depth 1
# Modes "1280x800"
# EndSubSection
# SubSection "Display"
# Depth 4
# Modes "1280x800"
# EndSubSection
# SubSection "Display"
# Depth 8
# Modes "1280x800"
# EndSubSection
# SubSection "Display"
# Depth 15
# Modes "1280x800"
# EndSubSection
# SubSection "Display"
# Depth 16
# Modes "1280x800"
# EndSubSection
SubSection "Display"
Depth 24
Modes "1280x800"
#Virtual 1280 2048 # 2560 1024
EndSubSection
EndSection
Section "Screen"
Identifier "Default Screen (Clone)"
Device "Intel 945GM Express (Clone)"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x800"
EndSubSection
EndSection
Section "Screen"
Identifier "External Screen (Clone)"
Device "Intel 945GM Express (Clone)"
Monitor "External Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x1024" "1280x800" "1024x768"
EndSubSection
EndSection
Section "Screen"
Identifier "LFP Screen (Separate)"
Device "Intel 945GM Express (Separate: LFP)"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x800"
EndSubSection
EndSection
Section "Screen"
Identifier "CRT Screen (Separate)"
Device "Intel 945GM Express (Separate: CRT)"
Monitor "External Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x1024" "1280x800" "1024x768"
EndSubSection
EndSection
#
########### Server layout definitions ##########
#
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
InputDevice "Synaptics Touchpad"
EndSection
Section "ServerLayout"
Identifier "Dual-Head (Clone)"
Screen "Default Screen (Clone)"
Screen "External Screen (Clone)"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
InputDevice "Synaptics Touchpad"
EndSection
Section "ServerLayout"
Identifier "Dual-Head (Separate)"
Screen 0 "LFP Screen (Separate)" 0 0
Screen 1 "CRT Screen (Separate)" RightOf "LFP Screen (Separate)"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
InputDevice "Synaptics Touchpad"
EndSection
#
########### Miscellaneous stuff ##########
#
Section "ServerFlags"
Option "DefaultServerLayout" "Default Layout"
Option "Xinerama" "false"
EndSection
Section "DRI"
Mode 0666
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
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