qt5ct: using qt5ct plugin libGL error: No matching fbConfigs or visuals found libGL error: failed to load driver: swrast No XVisualInfo for format QSurfaceFormat(version 2.1, options QFlags(), depthBufferSize 0, redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize -1, stencilBufferSize 0, samples -1, swapBehavior QSurfaceFormat::SwapBehavior(SingleBuffer), swapInterval 1, profile QSurfaceFormat::OpenGLContextProfile(CompatibilityProfile)) Falling back to using screens root_visual. 000.130 (i) Application path: /usr/bin/doomsday-2.0.3 000.130 (i) Build: 2.0.3-Stable [#2523] 000.271 Created a new 32.0 MB memory volume. 000.361 [Config::read] modules/Config matches version [ 2, 0, 3, 2523 ] 000.362 R (i) Ignoring non-existent UnixInfo paths.iwaddir WAD folder: /usr/share/games/doom 000.382 R Identified 282 data bundles in 0.0 seconds 000.505 (i) Executable: Doomsday Engine 2.0.3 (Stable 32-bit +D +R) Nov 29 2017 20:08:57 000.505 Command line options: 000.505 0: doomsday 000.507 [RenderSystem > PackageLoader] Loading shader definitions from archive entry "renderer.pack/shaders.dei" from archive in "(basedir)/net.dengine.client.pack" 000.514 Loading shader definitions from archive entry "renderer.pack/lensflares.pack/ shaders.dei" from archive in "(basedir)/net.dengine.client.pack" libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile 000.739 I (i) [Joystick_Init] No joysticks found No XVisualInfo for format QSurfaceFormat(version 2.1, options QFlags(), depthBufferSize 0, redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize -1, stencilBufferSize 0, samples -1, swapBehavior QSurfaceFormat::SwapBehavior(SingleBuffer), swapInterval 1, profile QSurfaceFormat::OpenGLContextProfile(CompatibilityProfile)) Falling back to using screens root_visual. Could not initialize GLX