#0  0x0000002a95cb4140 in _XError () from /usr/X11R6/lib/libX11.so.6
#1  0x0000002a95cb2a91 in _XReply () from /usr/X11R6/lib/libX11.so.6
#2  0x0000002a95cadea4 in XSync () from /usr/X11R6/lib/libX11.so.6
#3  0x0000002a95cadf4b in _XSyncFunction () from /usr/X11R6/lib/libX11.so.6
#4  0x0000002a95c91664 in XChangeProperty () from /usr/X11R6/lib/libX11.so.6
#5  0x0000002a95b47637 in XtAppGetSelectionTimeout () from /usr/X11R6/lib/libXt.so.6
#6  0x0000002a95b4798f in XtAppGetSelectionTimeout () from /usr/X11R6/lib/libXt.so.6
#7  0x0000002a95b35a19 in _XtFreeWWTable () from /usr/X11R6/lib/libXt.so.6
#8  0x0000002a95b35bc1 in XtDispatchEventToWidget () from /usr/X11R6/lib/libXt.so.6
#9  0x0000002a95b36480 in _XtOnGrabList () from /usr/X11R6/lib/libXt.so.6
#10 0x0000002a95b36732 in XtDispatchEvent () from /usr/X11R6/lib/libXt.so.6
#11 0x0000000000560bf9 in GoAhead (c=0x0) at mred.cxx:1134
#12 0x0000000000560d6e in DoTheEvent (c=0x19512e0) at mred.cxx:1185
#13 0x0000000000560ec7 in MrEdDoNextEvent (c=0x19512e0, alt=0, altdata=0x0, alt_wait=0x19ab620) at mred.cxx:1242
#14 0x000000000056191a in wxDispatchEventsUntilWaitable (f=0, data=0x0, w=0x19ab620) at mred.cxx:1681
#15 0x0000000000569618 in wxSchemeYield (sema=0x19ab620) at wxscheme.cxx:2108
#16 0x0000000000489f34 in scheme_do_eval (obj=0xc5f8e0, num_rands=1, rands=0x1998ec0, get_value=1) at eval.c:3376
#17 0x000000000048c20a in eval_k () at eval.c:4351
#18 0x000000000049627d in top_level_do (k=0x48c03a <eval_k>, eb=1, sj_start=0x7fbfffe8a8) at fun.c:1086
#19 0x00000000004963f0 in scheme_top_level_do (k=0x48c03a <eval_k>, eb=1) at fun.c:1131
#20 0x000000000048c2ac in _eval (obj=0x19946f0, env=0xa9acf0, isexpr=0, multi=0, top=1) at eval.c:4372
#21 0x000000000048c2ee in scheme_eval_compiled (obj=0x19946f0, env=0xa9acf0) at eval.c:4379
#22 0x000000000048c00d in scheme_eval (obj=0x1993b28, env=0xa9acf0) at eval.c:4304
#23 0x000000000048d732 in scheme_eval_string_all (str=0x6bc980 "(graphical-read-eval-print-loop)", env=0xa9acf0, cont=-1) at eval.c:4950
#24 0x000000000048d777 in scheme_eval_string (str=0x6bc980 "(graphical-read-eval-print-loop)", env=0xa9acf0) at eval.c:4960
#25 0x000000000047391e in do_graph_repl (env=0xa9acf0) at mrmain.cxx:193
#26 0x000000000047287b in finish_cmd_line_run (fa=0x1962280, repl=0x4738a0 <do_graph_repl>) at cmdline.inc:306
#27 0x0000000000562648 in MrEdApp::RealInit (this=0x99a6a0) at mred.cxx:3344
#28 0x00000000005613b1 in handle_events (cx=0x99a6a0) at mred.cxx:1427
#29 0x000000000048a622 in scheme_do_eval (obj=0x1996e10, num_rands=0, rands=0x0, get_value=-1) at eval.c:3567
#30 0x0000000000496598 in apply_k () at fun.c:1198
#31 0x000000000049627d in top_level_do (k=0x496519 <apply_k>, eb=1, sj_start=0x7fbffff268) at fun.c:1086
#32 0x00000000004963f0 in scheme_top_level_do (k=0x496519 <apply_k>, eb=1) at fun.c:1131
#33 0x000000000049662d in _apply (rator=0x1996e10, num_rands=0, rands=0x0, multi=1, eb=1) at fun.c:1213
#34 0x00000000004966c3 in scheme_apply_thread_thunk (rator=0x1996e10) at fun.c:1231
#35 0x000000000052c33f in start_child (child=0x1982550, return_to_thread=0x0, child_eval=0x1996e10) at thread.c:2398
#36 0x000000000052c555 in make_subprocess (child_thunk=0x1996e10, child_start=0x7fbffff4c0, config=0x1996dc0, cells=0x1993d20, break_cell=0xa98960,
    mgr=0x0, normal_kill=1) at thread.c:2486
#37 0x000000000052cb71 in scheme_thread_w_details (thunk=0xa71fc0, config=0xa71fc0, cells=0x0, break_cell=0x0, mgr=0x1982550, suspend_to_kill=0)
    at thread.c:2697
#38 0x00000000005617a3 in wxDoEvents () at mred.cxx:1650
#39 0x000000000060a245 in wxApp::MainLoop (this=0xa71fc0) at Application/AppMain.cc:79
#40 0x00000000005622b1 in wxDoMainLoop () at mred.cxx:3090
#41 0x00000000004739bf in do_main_loop (fa=0x1962280) at mrmain.cxx:223
#42 0x00000000004737cd in run_from_cmd_line (argc=0, _argv=0x7fbfffd8d0, mk_basic_env=0x5622c0 <setup_basic_env>, cont_run=0x4739a0 <do_main_loop>)
    at cmdline.inc:951
#43 0x00000000005625bb in MrEdApp::OnInit (this=0xa71fc0) at mred.cxx:3281
#44 0x000000000060a5af in wxEntry (argc=1, argv=0x7fbffff848) at Application/AppMain.cc:271
---Type <return> to continue, or q <return> to quit---
#45 0x000000000049e8c3 in scheme_image_main (argc=2, argv=0x7fbffff848) at image.c:765
#46 0x0000000000473a71 in main (argc=2, argv=0x7fbffff848) at mrmain.cxx:384