~$ gdb --args gq --g-fatal-warnings GNU gdb 6.4-debian Copyright 2005 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i486-linux-gnu"...(no debugging symbols found) Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". (gdb) run Starting program: /usr/bin/gq --g-fatal-warnings (no debugging symbols found) (no debugging symbols found) (no debugging symbols found) [Thread debugging using libthread_db enabled] [New Thread -1220273408 (LWP 13740)] Gdk-CRITICAL **: gdk_text_width: assertion `font != NULL' failed aborting... Program received signal SIGABRT, Aborted. [Switching to Thread -1220273408 (LWP 13740)] 0xffffe410 in __kernel_vsyscall () (gdb) bt #0 0xffffe410 in __kernel_vsyscall () #1 0xb76709a1 in raise () from /lib/tls/i686/cmov/libc.so.6 #2 0xb76722b9 in abort () from /lib/tls/i686/cmov/libc.so.6 #3 0xb7e7fff6 in IA__g_logv (log_domain=, log_level=G_LOG_LEVEL_CRITICAL, format=0xb7ea6df4 "%s: assertion `%s' failed", args1=0xbf83eabc "9\206%Gï¿½ï¿½%@\037%Gï¿½ï¿½ï¿½%@0\213%Gï¿½ï¿½%@\004") at gmessages.c:497 #4 0xb7e8002a in IA__g_log (log_domain=0x0, log_level=0, format=0x0) at gmessages.c:517 #5 0xb7e800fa in IA__g_return_if_fail_warning (log_domain=0x0, pretty_function=0xb7b78639 "gdk_text_width", expression=0x0) at gmessages.c:532 #6 0xb7b43641 in IA__gdk_text_width (font=0x35ac, text=0x83d8a00 "test", text_length=4) at gdkfont-x11.c:513 #7 0xb7d0498f in expose_text (text=0x83d8010, area=, cursor=1) at gtktext.c:4922 #8 0xb7d04d33 in gtk_text_expose (widget=0x83d8010, event=0xbf83f1b0) at gtktext.c:1640 #9 0xb7c9f850 in _gtk_marshal_BOOLEAN__BOXED (closure=0x80e7a60, return_value=0xbf83edd0, n_param_values=2, param_values=0xbf83eecc, invocation_hint=0xbf83edbc, marshal_data=0xb7d04c8d) at gtkmarshalers.c:83 #10 0xb78b616f in g_type_class_meta_marshal (closure=0x80e7a60, return_value=0x0, n_param_values=0, param_values=0xbf83eecc, ---Type to continue, or q to quit--- invocation_hint=0x0, marshal_data=0x0) at gclosure.c:567 #11 0xb78b679f in IA__g_closure_invoke (closure=0x80e7a60, return_value=0x0, n_param_values=0, param_values=0x0, invocation_hint=0x0) at gclosure.c:490 #12 0xb78c59ce in signal_emit_unlocked_R (node=0x80e88c0, detail=0, instance=0x83d8010, emission_return=0xbf83f08c, instance_and_params=0xbf83eecc) at gsignal.c:2476 #13 0xb78c6886 in IA__g_signal_emit_valist (instance=0x83d8010, signal_id=33, detail=0, var_args=0xbf83f110 "(%Gï¿½%@\203%Gï¿½ï¿½ï¿½%@\203%Gï¿½%@\020\200=\b\202\035%GØ·%@\020\200=\b(M\016\b") at gsignal.c:2207 #14 0xb78c6e89 in IA__g_signal_emit (instance=0x0, signal_id=0, detail=0) at gsignal.c:2241 #15 0xb7d81c4f in gtk_widget_event_internal (widget=0x83d8010, event=0xbf83f1b0) at gtkwidget.c:3751 #16 0xb7c9e596 in IA__gtk_main_do_event (event=0xbf83f1b0) at gtkmain.c:1405 #17 0xb7b2fdd7 in gdk_window_process_updates_internal (window=0x83d2e70) at gdkwindow.c:2292 #18 0xb7b303bf in IA__gdk_window_process_updates (window=0x83d2e70, update_children=1) at gdkwindow.c:2382 #19 0xb7b303aa in IA__gdk_window_process_updates (window=0x83d2e18, update_children=1) at gdkwindow.c:2391 #20 0xb7b303aa in IA__gdk_window_process_updates (window=0x826ec60, update_children=1) at gdkwindow.c:2391 ---Type to continue, or q to quit--- #21 0xb7d7de0b in gtk_viewport_adjustment_value_changed (adjustment=0x8232758, data=0x8118460) at gtkviewport.c:866 #22 0xb78c2423 in IA__g_cclosure_marshal_VOID__VOID (closure=0x8270c38, return_value=0x0, n_param_values=1, param_values=0xbf83f53c, invocation_hint=0xbf83f42c, marshal_data=0xb7d7dcd0) at gmarshal.c:77 #23 0xb78b679f in IA__g_closure_invoke (closure=0x8270c38, return_value=0x0, n_param_values=0, param_values=0x0, invocation_hint=0x0) at gclosure.c:490 #24 0xb78c52ea in signal_emit_unlocked_R (node=0x822a758, detail=0, instance=0x8232758, emission_return=0x0, instance_and_params=0xbf83f53c) at gsignal.c:2438 #25 0xb78c6b19 in IA__g_signal_emit_valist (instance=0x8232758, signal_id=139, detail=0, var_args=) at gsignal.c:2197 #26 0xb78c6e89 in IA__g_signal_emit (instance=0x0, signal_id=0, detail=0) at gsignal.c:2241 #27 0xb7bd61ff in IA__gtk_adjustment_value_changed (adjustment=0x8232758) at gtkadjustment.c:393 #28 0xb7bd62ee in IA__gtk_adjustment_set_value (adjustment=0x8232758, value=1361.4173228346456) at gtkadjustment.c:376 #29 0xb7cd0c70 in gtk_range_real_change_value (range=0x8247810, scroll=GTK_SCROLL_JUMP, value=1361.4173228346456) at gtkrange.c:2475 #30 0xb7c9fa84 in _gtk_marshal_BOOLEAN__ENUM_DOUBLE (closure=0x822a868, return_value=0xbf83f9d0, n_param_values=3, param_values=0xbf83facc, invocation_hint=0xbf83f9bc, marshal_data=0xb7cd0b6e) at gtkmarshalers.c:203 ---Type to continue, or q to quit--- #31 0xb78b616f in g_type_class_meta_marshal (closure=0x822a868, return_value=0x0, n_param_values=0, param_values=0xbf83facc, invocation_hint=0x0, marshal_data=0x0) at gclosure.c:567 #32 0xb78b679f in IA__g_closure_invoke (closure=0x822a868, return_value=0x0, n_param_values=0, param_values=0x0, invocation_hint=0x0) at gclosure.c:490 #33 0xb78c59ce in signal_emit_unlocked_R (node=0x822a8a8, detail=0, instance=0x8247810, emission_return=0xbf83fc8c, instance_and_params=0xbf83facc) at gsignal.c:2476 #34 0xb78c6886 in IA__g_signal_emit_valist (instance=0x8247810, signal_id=143, detail=0, var_args=0xbf83fd18 ",%Gï¿½%@\203%Gï¿½ï¿½%@\027\215%Gï¿½%@") at gsignal.c:2207 #35 0xb78c6e89 in IA__g_signal_emit (instance=0x0, signal_id=0, detail=0) at gsignal.c:2241 #36 0xb7ccee68 in update_slider_position (range=0x8247810, mouse_x=, mouse_y=) at gtkrange.c:1366 #37 0xb7ccef7f in gtk_range_motion_notify (widget=0x8247810, event=0x849c4c0) at gtkrange.c:1515 #38 0xb7c9f850 in _gtk_marshal_BOOLEAN__BOXED (closure=0x80e79a0, return_value=0xbf83ff20, n_param_values=2, param_values=0xbf84001c, invocation_hint=0xbf83ff0c, marshal_data=0xb7cceef2) at gtkmarshalers.c:83 #39 0xb78b616f in g_type_class_meta_marshal (closure=0x80e79a0, return_value=0x0, n_param_values=0, param_values=0xbf84001c, invocation_hint=0x0, marshal_data=0x0) at gclosure.c:567 ---Type to continue, or q to quit--- #40 0xb78b679f in IA__g_closure_invoke (closure=0x80e79a0, return_value=0x0, n_param_values=0, param_values=0x0, invocation_hint=0x0) at gclosure.c:490 #41 0xb78c59ce in signal_emit_unlocked_R (node=0x80e7a90, detail=0, instance=0x8247810, emission_return=0xbf8401dc, instance_and_params=0xbf84001c) at gsignal.c:2476 #42 0xb78c6886 in IA__g_signal_emit_valist (instance=0x8247810, signal_id=30, detail=0, var_args=0xbf840260 "x\002\204%Gï¿½ï¿½ï¿½%@I\b\020x$\b!\036%GØ·%@\020x$\b(M\016\b") at gsignal.c:2207 #43 0xb78c6e89 in IA__g_signal_emit (instance=0x0, signal_id=0, detail=0) at gsignal.c:2241 #44 0xb7d81c4f in gtk_widget_event_internal (widget=0x8247810, event=0x849c4c0) at gtkwidget.c:3751 #45 0xb7c9dfcd in IA__gtk_propagate_event (widget=0x8247810, event=0x849c4c0) at gtkmain.c:2218 #46 0xb7c9e3db in IA__gtk_main_do_event (event=0x849c4c0) at gtkmain.c:1447 #47 0xb7b41ddc in gdk_event_dispatch (source=0x0, callback=0, user_data=0x0) at gdkevents-x11.c:2291 #48 0xb7e778c6 in IA__g_main_context_dispatch (context=0x80deb50) at gmain.c:1916 #49 0xb7e7a986 in g_main_context_iterate (context=0x80deb50, block=1, dispatch=1, self=0x80f8258) at gmain.c:2547 #50 0xb7e7aca8 in IA__g_main_loop_run (loop=0x8252b78) at gmain.c:2751 ---Type to continue, or q to quit--- #51 0xb7c9d6d5 in IA__gtk_main () at gtkmain.c:1026 #52 0x08065047 in ?? () #53 0x0000000d in ?? () #54 0x08064de0 in ?? () #55 0x08094413 in _IO_stdin_used () #56 0xb774847e in __libc_dl_error_tsd () from /lib/tls/i686/cmov/libc.so.6 #57 0xb765cea2 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #58 0x08051411 in ?? ()