Red Hat Bugzilla – Bug 474305
gnome-display-properties does not expand desktop correctly when enabling second monitor with Intel 945 graphics
Last modified: 2014-06-18 05:10:43 EDT
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:184.108.40.206) Gecko/2008111217 Fedora/3.0.4-1.fc10 Firefox/3.0.4
When I use gnome-display-properties to enable a 1680x1050 pixel external monitor together with my Eee PC 901's 1064x600 pixel internal display as an extended desktop the GNOME desktop ends up confined to the top left 1024x600 region of the external monitor. The rest of the external monitor and the internal monitor are black. The mouse cursor can be moved over the full extent of both monitors however windows, the panel(s) and the desktop background are limited to the small region in the upper left.
The graphics hardware is Intel 945GME Express (GMA 950 grahics core), and I'm using the default Fedora 10 setup of no xorg.conf at all. The X.org driver in used is the 'intel' one. Compiz is enabled. I've attached my Xorg.0.log.
Steps to Reproduce:
1. Run System->Preferences->Hardware->Screen Resolution.
2. Select a position and resolution for the external monitor.
3. Click 'Apply' to enable the external monitor
The GNOME desktop is confined to the top left 1024x600 pixel region of the external monitor.
The GNOME desktop spans the full 1680x1050 extent of the external monitor plus the 1024x600 pixels of the internal display.
If the second monitor is enabled using xrandr at the command line instead of using gnome-display-properties the GNOME desktop does expand correctly to use the full extent of both monitors (e.g. 'xrandr --output VGA --auto --above LVDS' works fine).
Created attachment 325497 [details]
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