[08:23][igneous@lamehostname:~]$ glxinfo
name of display: :0.0
glxinfo: ../common/drirenderbuffer.c:69: driNewRenderbuffer: Assertion `format == 0x1908 || format == 0x8050 || format == 0x8058 || format == 0x81A5 || format == 0x81A6 || format == 0x81A7 || format == 
0x8D48' failed.
Aborted

[08:23][igneous@lamehostname:~]$ glxgears
glxgears: ../common/drirenderbuffer.c:69: driNewRenderbuffer: Assertion `format == 0x1908 || format == 0x8050 || format == 0x8058 || format == 0x81A5 || format == 0x81A6 || format == 0x81A7 || format == 
0x8D48' failed.
Aborted

[08:23][igneous@lamehostname:~]$ tyr-glquake -width 1280 -height 1024 -mem 128
Added packfile /usr/share/quake/id1/pak0.pak (339 files)
Added packfile /usr/share/quake/id1/pak1.pak (85 files)
Playing registered version.
Console initialized.
UDP, Local address: 192.168.1.123 (eth0)
UDP Initialized (0.0.0.0)
Exe: 08:02:01 Dec 29 2009
128.0 megabyte heap
Using XFree86-VidModeExtension Version 2.2
tyr-glquake: ../common/drirenderbuffer.c:69: driNewRenderbuffer: Assertion `format == 0x1908 || format == 0x8050 || format == 0x8058 || format == 0x81A5 || format == 0x81A6 || format == 0x81A7 || format 
== 0x8D48' failed.
Aborted