StacktraceTop: __assert_fail_base (fmt=0xb729d438 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0xb6c63d1f "!xcb_xlib_unknown_seq_number", file=0xb6c63cea "../../src/xcb_io.c", line=160, function=0xb6c63de7 "append_pending_request") at assert.c:94 __GI___assert_fail (assertion=0xb6c63d1f "!xcb_xlib_unknown_seq_number", file=0xb6c63cea "../../src/xcb_io.c", line=160, function=0xb6c63de7 "append_pending_request") at assert.c:103 append_pending_request (dpy=<optimized out>, sequence=17) at ../../src/xcb_io.c:158 _XReply (dpy=0x8ea8cb8, rep=0xbfa043f0, extra=0, discard=1) at ../../src/xcb_io.c:584 XQueryExtension (dpy=0x8ea8cb8, name=0xb7562728 "GLX", major_opcode=0xbfa04454, first_event=0xbfa04458, first_error=0xbfa0445c) at ../../src/QuExt.c:48
StacktraceTop: 0xb6c63d1f "!xcb_xlib_ unknown_ seq_number" , file=0xb6c63cea "../../ src/xcb_ io.c", line=160, function=0xb6c63de7 "append_ pending_ request" ) at assert.c:94 0xb6c63d1f "!xcb_xlib_ unknown_ seq_number" , file=0xb6c63cea "../../ src/xcb_ io.c", line=160, function=0xb6c63de7 "append_ pending_ request" ) at assert.c:103 pending_ request (dpy=<optimized out>, sequence=17) at ../../src/ xcb_io. c:158 xcb_io. c:584 0xbfa04454, first_event= 0xbfa04458, first_error= 0xbfa0445c) at ../../src/ QuExt.c: 48
__assert_fail_base (fmt=0xb729d438 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=
__GI___assert_fail (assertion=
append_
_XReply (dpy=0x8ea8cb8, rep=0xbfa043f0, extra=0, discard=1) at ../../src/
XQueryExtension (dpy=0x8ea8cb8, name=0xb7562728 "GLX", major_opcode=