This does not occur on any other native Linux source game, and it also did not occur on the Wine-emulated L4D2 (non-beta) as far as I can remember.
Speed: 3400 Mhz
2 logical processors
1 physical processors
Operating System Version:
"Fedora release 18 (Spherical Cow)" (64 bit)
Kernel Name: Linux
Kernel Version: 3.8.7-201.fc18.x86_64
X Server Vendor: Fedora Project
X Server Release: 11303000
X Window Manager: Xfwm4
Steam Runtime Version: steam-runtime-release-i386_2013-04-16
Driver: X.Org Gallium 0.4 on AMD CEDAR
Driver Version: 2.1 Mesa 9.1
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 60 Hz
Number of Monitors: 1
Number of Logical Video Cards: 1
Primary Display Resolution: 1280 x 1024
Desktop Resolution: 1280 x 1024
Primary Display Size: 13.31" x 10.63" (17.01" diag)
33.8cm x 27.0cm (43.2cm diag)
Primary VRAM Not Detected
Audio device: SigmaTel STAC9750,51
RAM: 3261 Mb
UI Language: English
Microphone: Not set
Total Hard Disk Space Available: 688888 Mb
Largest Free Hard Disk Block: 445387 Mb
Does this also happen using the driver distributed by AMD?
@Plagman that driver causes my entire computer to crash whenever I open a game that uses OpenGL.
For me this issue disappear after upgrade from Mesa 9.1.1 to Mesa 9.2 git.