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安装好后sudo quake4 发现只能在default配置低画质下进行游戏，改变配置后无法进入游戏 会出现
Initializing SDL subsystem
Loading GL driver 'libGL.so.1' through SDL
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 134 (XFree86-VidModeExtension)
Minor opcode of failed request: 10 (XF86VidModeSwitchToMode)
Value in failed request: 0x8b
Serial number of failed request: 171
Current serial number in output stream: 173
搞不懂了。。。

There're some errors happened to SDL and OpenGL libs, might be. They perform just like DirectX to windows gaming.

画质是可以调高的，只是慢。
根本不能和doom3比的。