I just updated all my X packages (to 4.2.1-12.1) and now I can't play quake!
Actually even glxgears fails, both fail with SIGILL: Program received signal SIGILL, Illegal instruction. [Switching to Thread 16384 (LWP 20878)] 0x4042a021 in __driCreateScreen () from /usr/X11R6/lib/modules/dri/mga_dri.so (gdb) bt #0 0x4042a021 in __driCreateScreen () from /usr/X11R6/lib/modules/dri/mga_dri.so #1 0x403af259 in __driCreateScreen () from /usr/X11R6/lib/modules/dri/mga_dri.so #2 0x4041e2ef in __driCreateScreen () from /usr/X11R6/lib/modules/dri/mga_dri.so #3 0x40369197 in __driCreateScreen () from /usr/X11R6/lib/modules/dri/mga_dri.so #4 0x403696fa in __driCreateScreen () from /usr/X11R6/lib/modules/dri/mga_dri.so #5 0x08049c54 in ?? () #6 0x00000001 in ?? () -- greg
