[arch-general] Open Source ati driver can't load GLX extension

[Heiko Becker]

Hey,

when I try to run steam, since some days, I'm getting the following error:

Installing breakpad exception handler for 
appid(steam)/version(1393366296_client)
Installing breakpad exception handler for 
appid(steam)/version(1393366296_client)
OpenGL GLX extension not supported by displayAssert( Assertion Failed: 
Fatal Error: OpenGL GLX extension not supported by display 
):/home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/Main.cpp:286

Installing breakpad exception handler for 
appid(steam)/version(1393366296_client)
Uploading dump (out-of-process) [proxy '']
/tmp/dumps/assert_20140305130718_4.dmp
Finished uploading minidump (out-of-process): success = yes
response: CrashID=bp-d5f13248-7775-4252-9eea-d1b472140305

Can anyone help me solving this?

Thanks in advance.

Heiko