Red Hat Bugzilla – Bug 477066
playing extreme tuxracer with "virtual" in xorg.conf breaks desktop spanning
Last modified: 2010-06-30 16:56:20 EDT
Created attachment 327384 [details]
xorg.conf used with this bug
Description of problem:
On a Lenovo T61 (GM965 video, intel driver), playing extreme tuxracer with a virtual directive in xorg.conf (for desktop spanning) and exiting results in mirrored displays and other problems.
Version-Release number of selected component (if applicable):
100% of the time
Steps to Reproduce:
1. Set up a machine using a virtual directive in xorg.conf as shown above
2. Play extreme tuxracer
3. Observe displays now in mirrored mode
4. Quit extreme tuxracer
The displays remain in mirrored mode, and the VGA-connected display becomes mirrored by the LVDS display.
The displays should return to the previous settings (virtual span)
xorg.conf settings for desktop spanning:
Viewport 0 0
Virtual 2960 1050
On exit from tuxracer, the displays are still set to mirrored mode. This resulted in losing my application and desktop bars because they were on LVDS.
Restoring the LVDS display with xrandr works:
xrandr --output LVDS --right-of VGA --mode 1680x1050
However, this results in a new issue -- the application and desktop bars are now strangely shorter than the resolution of the LVDS display. Applications can still take up the whole width of the screen (i.e. thunderbird, firefox, etc.) Additionally, neither of the application or desktop bars can be moved to the bottom of the display -- there is essentially a sideways "L" shaped area of desktop background that is suddenly present and unusable.
Using the volume up/down buttons on the laptop results in further weird behavior:
1) The display on which the mouse cursor exists shows the proper on-screen volume display.
2) The display on which the mouse cursor *DOES NOT* exist shows a hole in an application (i.e. thunderbird) that displays the desktop background
Created attachment 327385 [details]
Xorg.0.log while these issues took place
I have identical problems on a dual head (dual 1920x1200) on Intel Q965.
The games need to STOP defaulting to full screen mode if they don't know how to handle full screen mode. When you lose your menu bar in gnome, it is very very hard to get to a point where you can control the xrandr settings to recover.
Are you still experiencing this issue?
Are you still experiencing it as well, and are you using a virtual directive in xorg.conf?
Are either of you able to try this on F11 or rawhide? I tried myself with my set-up in F11 and couldn't reproduce the error, however my hardware is nvidia.
Created attachment 367063 [details]
xorg.conf with virtual that invokes this bug
Yes. I still get this behaviour on an uptodate F11.
run etracer. Screen goes LOWRES MIRRORED which instantly dorks my desktop. Then the game doesn't even draw itself on the screen!
I hear the music in the background. Then I press esc. and it returns to 1920x1200, but still mirrored! Instead of the original dual head 3840x1200 desktop. Then I have to get Display Preferences up somehow and mess around until my display is right.
Games SHOULD START IN WINDOWED MODE. Let the user configure for full screen later. WHAT IF I WANT THE GAME ON ONLY ONE MONITOR? (mythtv setup with laptop). I want to play the game on my TV not part of it on my laptop and part on the TV.
Especially start in windowed mode if the game can't figure out how to save the current R&R state and properly restore it. See my attached xorg.conf. I have reproduced this on two F11 boxes running Intel Q965.
Changing this bug to F11.
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This bug is still in place in Fedora 12. Starting etracer sets the screens low resolution/mirrored and DOES NOT RESTORE dual-headed 1920x1200 mode after it exits.