Workrave-1.4.1 crash under Linux (Slackware-current, KDE-3.2-beta2 from CVS),
when button
for making rest is pressed. It also often crashes in applet mode. The following
small
patch seems to fix it:

--- workrave-1.4.1/src/app/gtkmm/RestBreakWindow.cc~1   2003-10-30
21:52:45.000000000 +0200
+++ workrave-1.4.1/src/app/gtkmm/RestBreakWindow.cc     2003-12-02
16:09:15.000000000 +0200
@@ -112,8 +112,8 @@ void
 RestBreakWindow::start()
 {
   TRACE_ENTER("RestBreakWindow::start");
-#ifdef HAVE_EXERCISES
   init_gui();
+#ifdef HAVE_EXERCISES
   if (get_exercise_count() > 0)
     {
       install_exercises_panel();


Below is backtrace from GDB, which I got from this crash.

Andris


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This GDB was configured as "i486-slackware-linux"...
(gdb) r
Starting program: /disk2/src/misc/workrawe/workrave-1.4.1/src/app/gtkmm/workrave
[New Thread 16384 (LWP 15199)]
[New Thread 32769 (LWP 15413)]
[New Thread 16386 (LWP 15414)]
audio_alsa: no cards found!

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 15199)]
TimeBar::set_progress(int, int) (this=0x0, value=0, max_value=0) at TimeBar.cc:264
264       bar_value = value;
(gdb) where
#0  TimeBar::set_progress(int, int) (this=0x0, value=0, max_value=0)
    at TimeBar.cc:264
#1  0x0808856b in RestBreakWindow::draw_time_bar() (this=0x81bb648)
    at RestBreakWindow.cc:156
#2  0x08088520 in RestBreakWindow::start() (this=0x81bb648)
    at RestBreakWindow.cc:128
#3  0x0807dbd0 in GUI::start_break_window(BreakId, bool) (this=0x81012d8,
    break_id=BREAK_ID_REST_BREAK, ignorable=true) at GUI.cc:846
#4  0x080b8317 in BreakControl::break_window_start() (this=0x8154bf0)
    at BreakControl.cc:648
#5  0x080b7fb0 in BreakControl::goto_stage(BreakControl::BreakStage) (
    this=0x8154bf0, stage=STAGE_TAKING) at BreakControl.cc:298
#6  0x080b817c in BreakControl::force_start_break() (this=0x8154bf0)
    at BreakControl.cc:445
#7  0x080a194a in Core::force_break(BreakId) (this=0x8147860,
    id=BREAK_ID_REST_BREAK) at Core.cc:455
#8  0x0807cc6f in GUI::restbreak_now() (this=0x0) at GUI.cc:173
#9  0x08094c8b in SigC::ObjectSlot0_<void, Menus>::proxy(void*) (s=0x0)
    at object_slot.h:62
#10 0x40c1fc65 in Glib::SignalProxyNormal::slot0_void_callback(_GObject*, void*) ()
   from /usr/lib/libglibmm-2.0.so.1
#11 0x407b2751 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
#12 0x4079d2e0 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#13 0x407b2075 in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
#14 0x407b11b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#15 0x407b14b4 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#16 0x40365a5b in gtk_button_clicked () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x40366a4b in _gtk_button_paint () from /usr/lib/libgtk-x11-2.0.so.0
#18 0x40a1b299 in Gtk::Button_Class::released_callback(_GtkButton*) ()
   from /usr/lib/libgtkmm-2.0.so.1
#19 0x407b2751 in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
#20 0x4079d677 in g_cclosure_new_swap () from /usr/lib/libgobject-2.0.so.0
#21 0x4079d2e0 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#22 0x407b1a3e in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
#23 0x407b11b7 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#24 0x407b14b4 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#25 0x4036599b in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0
#26 0x403668cb in _gtk_button_paint () from /usr/lib/libgtk-x11-2.0.so.0
#27 0x40aaa8a2 in Gtk::Widget_Class::button_release_event_callback(_GtkWidget*,
_GdkEventButton*) () from /usr/lib/libgtkmm-2.0.so.1
#28 0x403f110f in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0
#29 0x4079d677 in g_cclosure_new_swap () from /usr/lib/libgobject-2.0.so.0
#30 0x4079d2e0 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#31 0x407b1c35 in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
#32 0x407b0f8e in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#33 0x407b14b4 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#34 0x404d764b in gtk_widget_send_expose () from /usr/lib/libgtk-x11-2.0.so.0
#35 0x403f0f07 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#36 0x403efc05 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#37 0x405aeef5 in _gdk_events_queue () from /usr/lib/libgdk-x11-2.0.so.0
#38 0x407fe21d in unblock_source () from /usr/lib/libglib-2.0.so.0
#39 0x407ff2e8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#40 0x407ff61f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#41 0x407ffd81 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#42 0x403ef43f in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#43 0x40a4c249 in Gtk::Main::run_impl() () from /usr/lib/libgtkmm-2.0.so.1
#44 0x40a4bfe4 in Gtk::Main::run() () from /usr/lib/libgtkmm-2.0.so.1
#45 0x0807ccd7 in GUI::main() (this=0x81012d8) at GUI.cc:215
#46 0x08098f11 in run (argc=1, argv=0xbffff6c4) at main.cc:44
#47 0x40d6b916 in __libc_start_main () from /lib/libc.so.6
#48 0x08079ca1 in _start ()