https://bugs.freedesktop.org/show_bug.cgi?id=43448
--- Comment #5 from Michel Dänzer michel@daenzer.net 2011-12-06 07:46:32 PST --- Looks like /usr/lib64/dri/r600_dri.so's dri2CreateNewScreen() hook fails, but it's not clear why. Maybe you can try running glxinfo in gdb, setting a breakpoint at dri2CreateNewScreen and tracing where the failure is coming from.