Description of problem:
ThinkPad T41 with external VGA attached display.
When disabling LVDS output in xorg.conf it causes Xorg startup to fail with the error that no screens where found.
Basically when it encounters the Option "Ignore" "True" option for the LVDS display it skips scanning the other display ports.
Adding a VGA monitor section with modelines does not help
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Connect external monitor to ThinkPad T41
2. Add Option "Ignore" "True" to LVDS monitor section in xorg.conf
failure to start Xorg
scan of attached display on VGA port and successful Xorg start
The reason I am trying to disable the internal (LVDS) display is because I want to make the external display the primary because of XV overlay (internal display will not be used anyway as the lid will be closed). And the only other way I found is to run "xvattr -a XV_CRTC -v 1" after starting the X server.
Created attachment 315198 [details]
failing xorg log
Created attachment 315199 [details]
xorg log with LVDS enabled
You should look at option "disable" and option "enable"
ignore is not the droid you are looking for.
Created attachment 315201 [details]
Interesting... I tried option "Disable" "True" for LVDS and got a message in the log file: "(II) RADEON(0): Output LVDS disabled by config file" so that seems like it works... However it does not! the LVDS display is still enabled and shows the X display.
I got the ignore option from:
OK, I found that it is not LVDS specific, specifying Option "Disable" "True" in for instance the s-video monitor section causes Xorg to fail the same way as when it was only specified for LVDS.
So, the problem description should instead read;
Specifying Option "Disable" "True" in any monitor section (LVDS, S-Video, etc) while other valid monitors are available causes an Xorg startup failure with that no screens are available.
the last tests where done with todays rawhide updates;
This bug appears to have been reported against 'rawhide' during the Fedora 10 development cycle.
Changing version to '10'.
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