Hi, could you attach your system information, you can find out how here https://github.com/ValveSoftware/steam-for-linux#reporting-issues
It might be your window manager causing issues rather than the driver - but its still worth getting information to look into it.
Updated System-Information
Hello @superboom, are you still experiencing this issue with an up to date system?
Closing pending feedback.
Nothing extracted yet.
When I see a Lambda and it counts the Lambda detective achivement, so the game stucks.
Driver for Graphic Card: radeon open source driver (fglrx doesn't run on my system)
Processor Information:
Vendor: GenuineIntel
Speed: 2000 Mhz
2 logical processors
2 physical processors
HyperThreading: Unsupported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Unsupported
SSE41: Supported
SSE42: Unsupported
Network Information:
Network Speed:
Operating System Version:
Ubuntu 13.04 (64 bit)
Kernel Name: Linux
Kernel Version: 3.8.0-25-generic
X Server Vendor: The X.Org Foundation
X Server Release: 11303000
X Window Manager: Compiz
Steam Runtime Version: steam-runtime-release-i386_2013-05-08
Video Card:
Driver: X.Org Gallium 0.4 on AMD RV710
Sound card:
Audio device: Conexant CX20561 (Hermosa)
Memory:
RAM: 3919 Mb
Miscellaneous:
UI Language: English
LANG: de_AT.UTF-8
Microphone: Not set
Total Hard Disk Space Available: 371439 Mb
Largest Free Hard Disk Block: 348040 Mb
Installed software:
Recent Failure Reports: