when running xcom: enemy unknown/enehy within, the first window is a X (not opengl) window that allows you to choose which version of the game you want to play. When using prime, the windo itself doesnt render, and if you click on it (where the option would be), X crashes with the following error: [ 3281.598] (EE) [ 3281.598] (EE) Backtrace: [ 3281.600] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x7f7591f5f666] [ 3281.600] (EE) 1: /usr/bin/X (0x7f7591da9000+0x1ba869) [0x7f7591f63869] [ 3281.600] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7f758fadd000+0x36da0) [0x7f758fb13da0] [ 3281.600] (EE) 3: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7588c63000+0x1c7e4f) [0x7f7588e2ae4f] [ 3281.600] (EE) 4: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7588c63000+0x16297d) [0x7f7588dc597d] [ 3281.600] (EE) 5: /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7f7588c63000+0x168d21) [0x7f7588dcbd21] [ 3281.600] (EE) 6: /usr/lib/x86_64-linux-gnu/dri/i965_dri.so (0x7f7583bd3000+0x135ec4) [0x7f7583d08ec4] [ 3281.600] (EE) 7: /usr/lib/x86_64-linux-gnu/dri/i965_dri.so (0x7f7583bd3000+0x13d171) [0x7f7583d10171] [ 3281.600] (EE) 8: /usr/lib/x86_64-linux-gnu/dri/i965_dri.so (0x7f7583bd3000+0x5eb38) [0x7f7583c31b38] [ 3281.600] (EE) 9: /usr/lib/x86_64-linux-gnu/dri/i965_dri.so (0x7f7583bd3000+0x3197f6) [0x7f7583eec7f6] [ 3281.600] (EE) 10: /usr/lib/x86_64-linux-gnu/dri/i965_dri.so (0x7f7583bd3000+0x2bbd53) [0x7f7583e8ed53] [ 3281.600] (EE) 11: /usr/lib/xorg/modules/extensions/libglx.so (0x7f758e2e9000+0x2e5f9) [0x7f758e3175f9] [ 3281.600] (EE) 12: /usr/lib/xorg/modules/extensions/libglx.so (0x7f758e2e9000+0x26adf) [0x7f758e30fadf] [ 3281.600] (EE) 13: /usr/lib/xorg/modules/extensions/libglx.so (0x7f758e2e9000+0x26c71) [0x7f758e30fc71] [ 3281.600] (EE) 14: /usr/bin/X (0x7f7591da9000+0x7a062) [0x7f7591e23062] [ 3281.601] (EE) 15: /usr/lib/xorg/modules/extensions/libglx.so (0x7f758e2e9000+0x2284b) [0x7f758e30b84b] [ 3281.601] (EE) 16: /usr/lib/xorg/modules/extensions/libglx.so (0x7f758e2e9000+0x26911) [0x7f758e30f911] [ 3281.601] (EE) 17: /usr/bin/X (0x7f7591da9000+0x570a7) [0x7f7591e000a7] [ 3281.601] (EE) 18: /usr/bin/X (0x7f7591da9000+0x5b2a6) [0x7f7591e042a6] [ 3281.601] (EE) 19: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f758fafeec5] [ 3281.601] (EE) 20: /usr/bin/X (0x7f7591da9000+0x456ae) [0x7f7591dee6ae] [ 3281.601] (EE) [ 3281.601] (EE) Segmentation fault at address 0x0 [ 3281.601] (EE) Fatal server error: [ 3281.601] (EE) Caught signal 11 (Segmentation fault). Server aborting if i run the same game and window with intel (dedicated) it works fine.
Please attach the full /var/log/Xorg.0.log and the output of dmesg and glxinfo corresponding to the crash. Also, please try to get a gdb backtrace for the crash, with debugging symbols available for /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so, /usr/lib/x86_64-linux-gnu/dri/i965_dri.so and /usr/lib/xorg/modules/extensions/libglx.so. BTW, it looks like the game might run with GLX indirect rendering. If you set the environment variable LIBGL_DEBUG=verbose , what does that produce in the game's stderr output?
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