(gdb) bt
#0  0x00007ffff72f9f00 in SDL_QuitSubSystem () from /usr/lib/libSDL-1.2.so.0
#1  0x0000000000478658 in IN_ShutdownJoystick () at /home/sentharn/projects/Unvanquished/src/engine/sys/sdl_input.c:677
#2  0x000000000047a02c in IN_Shutdown () at /home/sentharn/projects/Unvanquished/src/engine/sys/sdl_input.c:1362
#3  0x00007fffc37c79e6 in GLimp_Shutdown () at /home/sentharn/projects/Unvanquished/src/engine/sys/sdl_glimp.c:472
#4  0x00007fffc376fd98 in RE_Shutdown (destroyWindow=qtrue) at /home/sentharn/projects/Unvanquished/src/engine/rendererGL/tr_init.cpp:2154
#5  0x000000000045d64f in CL_ShutdownRef () at /home/sentharn/projects/Unvanquished/src/engine/client/cl_main.c:4592
#6  0x0000000000459ef7 in CL_Vid_Restart_f () at /home/sentharn/projects/Unvanquished/src/engine/client/cl_main.c:2434
#7  0x00000000004baa1a in Cmd_ExecuteString (text=0x7fffffffd8b0 "vid_restart") at /home/sentharn/projects/Unvanquished/src/engine/qcommon/cmd.c:1717
#8  0x00000000004b8381 in Cbuf_Execute () at /home/sentharn/projects/Unvanquished/src/engine/qcommon/cmd.c:323
#9  0x00000000004c021a in Com_Frame () at /home/sentharn/projects/Unvanquished/src/engine/qcommon/common.c:3636
#10 0x0000000000474a91 in main (argc=7, argv=0x7fffffffe288) at /home/sentharn/projects/Unvanquished/src/engine/sys/sys_main.c:896