gistfile1.txt

[xcb] Unknown sequence number while appending request
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
invader: ../../src/xcb_io.c:160: append_pending_request: Assertion `!xcb_xlib_unknown_seq_number' failed.

Program received signal SIGABRT, Aborted.
0x00007ffff75ab445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  0x00007ffff75ab445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007ffff75aebab in __GI_abort () at abort.c:91
#2  0x00007ffff75a410e in __assert_fail_base (fmt=<optimized out>, assertion=0x7ffff68afe67 "!xcb_xlib_unknown_seq_number", 
    file=0x7ffff68afe32 "../../src/xcb_io.c", line=<optimized out>, function=<optimized out>) at assert.c:94
#3  0x00007ffff75a41b2 in __GI___assert_fail (assertion=0x7ffff68afe67 "!xcb_xlib_unknown_seq_number", 
    file=0x7ffff68afe32 "../../src/xcb_io.c", line=160, function=0x7ffff68aff80 "append_pending_request") at assert.c:103
#4  0x00007ffff683d2bf in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#5  0x00007ffff683e010 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#6  0x00007ffff6828e44 in XInternAtom () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#7  0x00007ffff7952f87 in fgInitialiseSpaceball () from /usr/lib/x86_64-linux-gnu/libglut.so.3
#8  0x00007ffff7953175 in fgSpaceballSetWindow () from /usr/lib/x86_64-linux-gnu/libglut.so.3
#9  0x00007ffff7958e6b in fgSetWindow () from /usr/lib/x86_64-linux-gnu/libglut.so.3
#10 0x00007ffff7954d16 in glutMainLoopEvent () from /usr/lib/x86_64-linux-gnu/libglut.so.3
#11 0x00007ffff7954f05 in glutMainLoop () from /usr/lib/x86_64-linux-gnu/libglut.so.3
#12 0x00000000004013e6 in main (argc=1, argv=0x7fffffffe148) at invader.c:195