From Bugzilla Helper: User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.7.8) Gecko/20050511 Firefox/1.0.4 Description of problem: Device: Matrox Graphics, Inc. MGA G400 AGP (rev 82) When changing anything in xorg.conf like e.g. resolution or dual head mode i get a blank screen when restarting X. Take the changes back doesn't have any effects to current problem. Delete Screen section in xorg.conf helps to get X configured new (like after new install). Version-Release number of selected component (if applicable): xorg-x11-6.8.2-37 How reproducible: Always Steps to Reproduce: 1. Install FC4 2. Modify xorg.conf to whatever 3. Restart X Actual Results: Blank screen or screen seems to be out of sync no matter frequenzes were not modified. Expected Results: Normal view of desktop ;) Additional info:
See bug #161242
While not libvgahw, a possible fix is https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=163331#c35 *** This bug has been marked as a duplicate of 163331 ***