Public bug reported:
Reproduce:
1. Configured ZaphodHeads to use only one output. Start X.
2. in Xorg.log it is correctly read, nevertheless it grab all outputs and
display mirrored content on all of them.
Expected:
1. X only uses the specified output. The other output have no graphical
content.
Provided the xorg.conf file to reproduce the problem and the Xorg log.
Doubchecked the output name in "ZaphodHeads" configuration is correct.
P.S. The xorg.conf also specified only one monitor being used (with
Option "Monitor-LVDS" "Monitor0" and that only one Screen is defined
to use it), X nevertheless used both screens - perhaps because RandR is
kept on, but ZaphodHeads should have higher priority over RandR, right?
Full xorg.conf corrsponding to the attached Xorg.0.log:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/share/fonts/X11/cyrillic"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
FontPath "built-ins"
EndSection
Section "Module"
Load "glx"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
### Available Driver options are:-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
### <percent>: "<f>%"
### [arg]: arg optional
#Option "NoAccel" # [<bool>]
#Option "SWcursor" # [<bool>]
#Option "EnablePageFlip" # [<bool>]
#Option "ColorTiling" # [<bool>]
#Option "ColorTiling2D" # [<bool>]
#Option "RenderAccel" # [<bool>]
#Option "SubPixelOrder" # [<str>]
#Option "AccelMethod" # <str>
#Option "EXAVSync" # [<bool>]
#Option "EXAPixmaps" # [<bool>]
#Option "ZaphodHeads" # <str>
#Option "EnablePageFlip" # [<bool>]
#Option "SwapbuffersWait" # [<bool>]
Identifier "Card0"
Driver "radeon"
Option "ZaphodHeads" "LVDS"
Option "Monitor-LVDS" "Monitor0"
BusID "PCI:0:1:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "X.org.0.log"
https://bugs.launchpad.net/bugs/1261371/+attachment/3930301/+files/Xorg.0.log.old
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https://bugs.launchpad.net/bugs/1261371
Title:
"ZaphodHeads" configuration read but ignored
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