Mike Cohler <mike.cohler <at> gmail.com> writes: > > When I first installed FC6 on several machines (clean install) then glxinfo and > glxgears commands worked fine (one is a Dell 5150 Core Duo with Intel Graphics > Media Accelerator 950, and another is a Dell d610 laptop). Recently with all > updates installed the glxinfo command gives the following on one: > name of display: :0.0 > Xlib: extension "GLX" missing on display ":0.0". I have added a comment to the BZ. It was adding the vnc module that caused X to fail in this way. Seems that adding a section to load the vnc module caused the problem - but this is surely a valid way to load vnc ? Doing this should not break X surely ? Mike