Comment 2 for bug 568230

If I press Shift-Esc while Armagetron Advanced is in a network-only state (fetching server list, between rounds, etc), the game locks up until I manually kill it (SIGINT works)

--- Backtrace ---
#0 0x00007ffb139827c4 in __lll_lock_wait () from /lib/libpthread.so.0
#1 0x00007ffb1397e029 in _L_lock_534 () from /lib/libpthread.so.0
#2 0x00007ffb1397de3e in pthread_mutex_lock () from /lib/libpthread.so.0
#3 0x00007ffb12e029dd in ?? () from //usr/lib64/opengl/xorg-x11/lib/libGL.so.1
#4 0x00007ffb12e030b3 in ?? () from //usr/lib64/opengl/xorg-x11/lib/libGL.so.1
#5 0x00007ffb12e01825 in glXMakeCurrentReadSGI ()
   from //usr/lib64/opengl/xorg-x11/lib/libGL.so.1
#6 0x00007ffb12996f04 in ?? () from /usr/lib/libSDL-1.2.so.0
#7 0x00007ffb1299acfe in ?? () from /usr/lib/libSDL-1.2.so.0
#8 0x00007ffb1299af17 in ?? () from /usr/lib/libSDL-1.2.so.0
#9 0x00007ffb1298b902 in SDL_VideoQuit () from /usr/lib/libSDL-1.2.so.0
#10 0x00007ffb1296516d in SDL_QuitSubSystem () from /usr/lib/libSDL-1.2.so.0
#11 0x00007ffb129651ee in SDL_Quit () from /usr/lib/libSDL-1.2.so.0
#12 0x00007ffb12965a0f in ?? () from /usr/lib/libSDL-1.2.so.0
#13 <signal handler called>
#14 0x00007ffb0dc18540 in radeonFlush () from /usr/lib64/dri/r300_dri.so
#15 0x00007ffb0dc0e028 in ?? () from /usr/lib64/dri/r300_dri.so
#16 0x00007ffb0dc91cc4 in _mesa_reference_texobj ()
   from /usr/lib64/dri/r300_dri.so
#17 0x00007ffb0dc947eb in _mesa_free_texture_data ()
   from /usr/lib64/dri/r300_dri.so
#18 0x00007ffb0dc31938 in _mesa_free_context_data ()
   from /usr/lib64/dri/r300_dri.so
#19 0x00007ffb0dc31a5e in _mesa_destroy_context ()
   from /usr/lib64/dri/r300_dri.so
#20 0x00007ffb0dc175fd in radeonDestroyContext ()
   from /usr/lib64/dri/r300_dri.so
#21 0x00007ffb0dbf40f0 in ?? () from /usr/lib64/dri/r300_dri.so
#22 0x00007ffb12e2429f in ?? () from //usr/lib64/opengl/xorg-x11/lib/libGL.so.1
#23 0x00007ffb12e001a8 in ?? () from //usr/lib64/opengl/xorg-x11/lib/libGL.so.1
#24 0x00007ffb12996f22 in ?? () from /usr/lib/libSDL-1.2.so.0
#25 0x00007ffb1299acfe in ?? () from /usr/lib/libSDL-1.2.so.0
#26 0x00007ffb1299af17 in ?? () from /usr/lib/libSDL-1.2.so.0
#27 0x00007ffb1298b902 in SDL_VideoQuit () from /usr/lib/libSDL-1.2.so.0
#28 0x00007ffb1296516d in SDL_QuitSubSystem () from /usr/lib/libSDL-1.2.so.0
#29 0x000000000042a1e9 in main ()

Video card: ATi Radeon X850 AGP

--- Software versions (Gentoo) ---
Armagetron Advanced trunk: bzr co lp:armagetronad -r 968
sys-libs/glibc-2.10.1-r1 (libpthread)
media-libs/mesa-7.7.1 (libGL, r300_dri)
media-libs/libsdl-1.2.13-r1 (libSDL)
x11-base/xorg-server-1.7.6