Hi, Alberto. Thanks for that and right you are. I've removed all traces of the proprietary driver and reinstalled the open-source driver. Running glxinfo no longer dumps a core:
$ glxinfo name of display: :0.0 Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Error: couldn't find RGB GLX visual or fbconfig Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Still doesn't work as it did on 9.10. Should this be handled on a different bug entry? xorg.conf is pretty standard: Section "Module" Load "glx" EndSection Section "Device" Identifier "Configured Video Device" Driver "radeon" EndSection Cheers -- glxinfo crashed with SIGSEGV in XF86DRIQueryExtension() https://bugs.launchpad.net/bugs/555158 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs