Public bug reported: When trying to play video file using Totem or MPlayer Xorg crashes when there is no second monitor connected. Xorg is configured to dual head using aticonfig. When there are both monitors present everything goes allright. When there are not Xorg crashes and GDM login screen appears few seconds after. FGLRX is 8.28.8 manually installed, XOrg is 7.0.0-0ubuntu45 , Ubuntu is 6.06 Dapper with all updates, Kernel is 2.6.15.24. Graphics is Radeon 9600 M. xorg.conf goes like this
# /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 "ServerLayout" Identifier "Default Layout" Screen "Default Screen" 0 0 Screen "aticonfig-Screen[1]" LeftOf "Default Screen" InputDevice "Generic Keyboard" InputDevice "Configured Mouse" InputDevice "stylus" "SendCoreEvents" InputDevice "cursor" "SendCoreEvents" InputDevice "eraser" "SendCoreEvents" InputDevice "Synaptics Touchpad" EndSection Section "Files" # path to defoma fonts FontPath "/usr/share/X11/fonts/misc" FontPath "/usr/share/X11/fonts/cyrillic" FontPath "/usr/share/X11/fonts/100dpi/:unscaled" FontPath "/usr/share/X11/fonts/75dpi/:unscaled" FontPath "/usr/share/X11/fonts/Type1" FontPath "/usr/share/X11/fonts/100dpi" FontPath "/usr/share/X11/fonts/75dpi" FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" EndSection Section "Module" Load "i2c" Load "bitmap" Load "ddc" Load "glx" Load "dri" #Load "extmod" SubSection "extmod" Option "omit xfree86-dga" EndSubSection Load "freetype" Load "int10" Load "type1" Load "vbe" Load "dbe" EndSection Section "InputDevice" Identifier "Generic Keyboard" Driver "kbd" Option "CoreKeyboard" Option "XkbRules" "xorg" Option "XkbModel" "pc105" Option "XkbLayout" "us,cz_qwerty" 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 Section "InputDevice" # /dev/input/event # for USB Identifier "stylus" Driver "wacom" Option "Device" "/dev/wacom" # Change to Option "Type" "stylus" Option "ForceDevice" "ISDV4" # Tablet PC ONLY EndSection Section "InputDevice" # /dev/input/event # for USB Identifier "eraser" Driver "wacom" Option "Device" "/dev/wacom" # Change to Option "Type" "eraser" Option "ForceDevice" "ISDV4" # Tablet PC ONLY EndSection Section "InputDevice" # /dev/input/event # for USB Identifier "cursor" Driver "wacom" Option "Device" "/dev/wacom" # Change to Option "Type" "cursor" Option "ForceDevice" "ISDV4" # Tablet PC ONLY EndSection Section "Monitor" Identifier "Generic Monitor" Option "DPMS" EndSection Section "Monitor" Identifier "aticonfig-Monitor[1]" Option "VendorName" "ATI Proprietary Driver" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Device" # Option "no_accel" "no" # Option "no_dri" "no" # Option "UseInternalAGPGART" "no" Identifier "ATI Technologies, Inc. RV350 NP [Mobility Radeon 9600/9700 M10/M11]" Driver "fglrx" Option "VideoOverlay" "on" Option "VBERestore" "true" Option "DesktopSetup" "horizontal,reverse" Option "Mode2" "1280x1024" Option "HSync2" "91.2" Option "VRefresh2" "85" BusID "PCI:1:0:0" EndSection Section "Device" Identifier "aticonfig-Device[1]" Driver "fglrx" BusID "PCI:1:0:0" Screen 1 EndSection Section "Screen" Identifier "Default Screen" Device "ATI Technologies, Inc. RV350 NP [Mobility Radeon 9600/9700 M10/M11]" Monitor "Generic Monitor" DefaultDepth 24 SubSection "Display" Depth 24 Modes "1400x1050" EndSubSection SubSection "Display" Depth 4 Modes "1400x1050" EndSubSection SubSection "Display" Depth 8 Modes "1400x1050" EndSubSection SubSection "Display" Depth 15 Modes "1400x1050" EndSubSection SubSection "Display" Depth 16 Modes "1400x1050" EndSubSection SubSection "Display" Depth 24 Modes "1400x1050" EndSubSection EndSection Section "Screen" Identifier "aticonfig-Screen[1]" Device "aticonfig-Device[1]" Monitor "aticonfig-Monitor[1]" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "DRI" Mode 0666 EndSection ** Affects: Ubuntu Importance: Untriaged Status: Unconfirmed -- Dual head with fglrx crashes Xorg when playing video without second monitor connected https://launchpad.net/bugs/58989 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs