https://bugs.freedesktop.org/show_bug.cgi?id=68391 --- Comment #3 from Vladimir Ysikov --- I tray get backtrace after crash, but gdb said "No stack". Maybe it does not crash, it's normal exit from the program? My course of action: 1)$gdb --args Sanctuary -video_app opengl -sound_app openal -engine_config ../data/unigine.cfg -data_path ../ -extern_define RELEASE -video_fullscreen 0 -video_mode -1 -video_width 1024 -video_height 768 2)(gdb) run 3)Wait until the closure of the program window 4)(gdb) bt -- You are receiving this mail because: You are the assignee for the bug.