I found a huge bug that freezes my keyboard & the system completely when I've played the game for about 1 minute or less.
This is the output for the glx-version that I see in the terminal until the game & system freezes:
Nexuiz Linux 16:37:36 Jul 19 2009 - release
Trying to load library... "libz.so.1" - loaded.
Added packfile /usr/share/games/nexuiz/data/common-spog.pk3 (26 files)
Added packfile /usr/share/games/nexuiz/data/data20090501.pk3 (7532 files)
Trying to load library... "libcurl.so.4" - loaded.
Trying to load library... "libvorbis.so.0" - loaded.
Trying to load library... "libvorbisfile.so.3" - loaded.
Trying to load library... "libmodplug.so.0" - loaded.
Trying to load library... "libogg.so.0" - loaded.
Trying to load library... "libtheora.so.0" - loaded.
Trying to load library... "libvorbis.so.0" - loaded.
Trying to load library... "libvorbisenc.so.2" - loaded.
Trying to load library... "libOffscreenGecko.so" "/usr/games/libOffscreenGecko.so" - failed.
execing quake.rc
execing default.cfg
execing defaultNexuiz.cfg
execing physics25.cfg
execing newhook.cfg
execing ctfscoring-div0.cfg
execing weapons.cfg
execing normal.cfg
execing turrets.cfg
execing unit_machinegun.cfg
execing unit_hk.cfg
execing unit_hellion.cfg
execing unit_mlrs.cfg
execing unit_flac.cfg
execing unit_fusreac.cfg
execing unit_plasma.cfg
execing unit_plasma2.cfg
execing unit_tesla.cfg
execing unit_phaser.cfg
execing unit_walker.cfg
execing unit_ewheel.cfg
execing config.cfg
couldn't exec data/campaign.cfg
execing config_update.cfg
execing autoexec.cfg
Client using an automatically assigned port
Client opened a socket on address local:2
Client opened a socket on address 0.0.0.0:0
Initializing Video Mode: fullscreen 800x600x32x60hz
Loading OpenGL driver libGL.so.1
GL_VENDOR: DRI R300 Project
GL_RENDERER: Mesa DRI R300 20060815 AGP 4x x86/MMX/SSE2 TCL
GL_VERSION: 1.3 Mesa 7.3
Trying to load library... "libjpeg.so.62" - loaded.
Trying to load library... "libpng12.so.0" - loaded.
Draw_CachePic: failed to load gfx/complete
Draw_CachePic: failed to load gfx/inter
S_Startup: initializing sound output format: 48000Hz, 16 bit, 2 channels...
SndSys_Init: using the ALSA module
SndSys_Init: PCM device is "default"
Sound format: 48000Hz, 2 channels, 16 bits per sample
ioctl CDROMREADTOCHDR failed
CDAudio_Init: No CD in player.
Initial CD volume: 1
CD Audio Initialized
VID_Restart: changing from fullscreen 800x600x32bpp, to window 800x600x32bpp.
Initializing Video Mode: window 800x600x32x60hz
Loading OpenGL driver libGL.so.1
GL_VENDOR: DRI R300 Project
GL_RENDERER: Mesa DRI R300 20060815 AGP 4x x86/MMX/SSE2 TCL
GL_VERSION: 1.3 Mesa 7.3
Trying to load library... "libjpeg.so.62" - loaded.
Draw_CachePic: failed to load gfx/complete
Draw_CachePic: failed to load gfx/inter
S_Startup: initializing sound output format: 48000Hz, 16 bit, 2 channels...
SndSys_Init: using the ALSA module
SndSys_Init: PCM device is "default"
Sound format: 48000Hz, 2 channels, 16 bits per sample
S_Startup: extra sound time = 48000
restarting renderer
Trying to load library... "libjpeg.so.62" - loaded.
Draw_CachePic: failed to load gfx/complete
Draw_CachePic: failed to load gfx/inter
"maxplayers" set to "16"
Server using port 26000
Server listening on address local:1
Server listening on address 0.0.0.0:26000
Loading csprogs.dat
server detected csqc progs file "csprogs.dat" with size 424328 and crc 2826
Compressing csprogs.dat
Deflated: 72.9949%
Trying to connect...
"challenge e~YXH{5z4DZ" received, sending connect request back to local:1
Got challenge response
Accepted
Connection accepted to local:1
--> client to server keepalive
<-- server to client keepalive
Server: Nexuiz build 16:37:36 Jul 19 2009 - release (progs 30888 crc)
<===================================>
[1;33mRunning Man (1on1)[m
CDAudio: Bad track number 0.
--> client to server keepalive
CSQC csprogs.dat [1;36mloaded (crc=2826, size=424328)[m
--> client to server keepalive
<-- server to client keepalive
<-- server to client keepalive
[1;34mPlayer connected[m
nexuiz-csqc protocol 22
[1;34mPlayer is spectating now[m
[1;34mFlatline connected[m
unconnected changed name to Flatline
couldn't exec maps/runningman_1on1remix.cfg
[1;32mSVQC and CSQC revisions are compatible.[m
PostInit
maxclients = 16
[1;34mPlayer is playing now[m
You got the [1;32mMortar[m
You got the [1;32mCrylink[m
You got the [1;32mNex[m
I wrote an email about this bug to the mailinglist as well.