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Blodoffer: I did a fresh install of LM17 and when I run I get following errors:

err:ole:CoInitializeEx Attempt to change threading model of this apartment from multi-threaded to apartment threaded
err:wgl:has_opengl Failed to load libGL: /usr/lib/i386-linux-gnu/ undefined symbol: xcb_send_fd
err:wgl:has_opengl OpenGL support is disabled.

edit: I found this from the game desccription: "Radeon HD 5770 or better (Intel cards are not supported)," So I won't probably be able to run it on my Intel HD 4000. Luckily I'm getting an Nvidia card soon.
The game didn't run with open-source video drivers before but we are releasing a hotfix now so you should be able to play Flatout with your Intel HD considering the performance will be good enough :)