I'm experiencing problems with dual-head setup and xrandr 1.2 on a
recent upgrade to Ubuntu 7.10 on my Dell Latitude D810 laptop with
docking station. Previously this worked with the ati driver and it still
functions when I change over to the "fglrx" driver (which rules out bad
hardware).
I have a striped down configuration xorg.conf file (see below) with two
identical Dell FP1905 monitors connected through a docking station, one
via VGA-0 and the other via DVI-0. On startup the DVI-0 monitor
functions as expected while the VGA-0 monitor displays "1: Analog Input
Cannot Display This Video Mode". The "working" monitor shifts from DVI-0
to VGA-0 when I issue the following command:
xrandr --output DVI-0 --crtc 0 --output VGA-0 --crtc 1
At this point, my desktop is properly displayed on VGA-0 while DVI-0
displays "2: Digital Input Cannot Display This Video Mode". Is it
possible that this bug is related to "crtc 0" on the ATI x600 (M24)?
The log of this session is attached. Here is my xorg.conf file:
*** BEGIN xorg.conf ***
# 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" "pc104"
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"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "SendCoreEvents" "true"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "HorizEdgeScroll" "0"
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 "ATI Technologies Inc M24 1P [Radeon Mobility X600]"
Driver "ati"
BusID "PCI:1:0:0"
Option "LVDSBiosNativeMode" "false"
EndSection
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
EndSection
Section "Screen"
Identifier "Default Screen"
Device "ATI Technologies Inc M24 1P [Radeon Mobility X600]"
Monitor "Generic Monitor"
DefaultDepth 16
SubSection "Display"
Virtual 2560 1024
#Modes "1920x1200"
Modes "1280x1024"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
# Uncomment if you have a wacom tablet
# InputDevice "stylus" "SendCoreEvents"
# InputDevice "cursor" "SendCoreEvents"
# InputDevice "eraser" "SendCoreEvents"
InputDevice "Synaptics Touchpad"
EndSection
*** END xorg.conf ***
** Attachment added: "Xorg.0.log"
http://launchpadlibrarian.net/10284685/%5Cnws.oregonstate.edu%5Croot%5CHomedirs%5Cbrocka%5CUNIX%5CXorg.0.log
--
ATI Driver Gets Black Screen on Radeon 7500 Mobile (Regression)
https://bugs.launchpad.net/bugs/132716
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