On Wednesday, April 29, 2009, RNG <rga...@gmail.com> wrote: > Hi, > > following your suggestion, I've added a call to gtk_init() at the > beginning of main() but the program still crashes. The end of the > stack trace now displays a different memory address but otherwise it's > essentially the same
All I read from the stack trace is a possible double free in a clicked handler, you say this happens at startup ? Do you programatically somehow send events from an idle or such? -Tristan > > ---------- snip -------------- > #21 0xb7846036 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 > #22 0xb73f03c9 in ?? () from /usr/lib/libgobject-2.0.so.0 > #23 0xb73f1c4b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 > #24 0xb7407d3d in ?? () from /usr/lib/libgobject-2.0.so.0 > #25 0xb740962b in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 > #26 0xb7409c26 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 > #27 0xb795b33e in ?? () from /usr/lib/libgtk-x11-2.0.so.0 > #28 0xb783eb4c in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 > #29 0xb783fef7 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 > #30 0xb76d650a in ?? () from /usr/lib/libgdk-x11-2.0.so.0 > #31 0xb7364718 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 > #32 0xb7367dc3 in ?? () from /usr/lib/libglib-2.0.so.0 > #33 0xb73682e2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 > #34 0xb78403a9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 > #35 0x0805688a in main (argc=Cannot access memory at address 0xffffffff > ) at main.c: > > Any more ideas as to what could be wrong? > > Greetings/Thanks > Robert > > 2009/4/29 Fernando Apesteguía <fernando.apesteg...@gmail.com>: >> On Wed, Apr 29, 2009 at 8:38 AM, RNG <rga...@gmail.com> wrote: >>> Hi, >>> >>> I am trying to get an old application to work using glade2. I've >>> managed to get it to compile but the call to >>> gtk_main(); >>> crashes the application. The backtrace looks like this: >>> >>> (gdb) bt >>> #0 0xb8041422 in __kernel_vsyscall () >>> #1 0xb7244880 in raise () from /lib/tls/i686/cmov/libc.so.6 >>> #2 0xb7246248 in abort () from /lib/tls/i686/cmov/libc.so.6 >>> #3 0xb728210d in ?? () from /lib/tls/i686/cmov/libc.so.6 >>> #4 0xb72883f4 in ?? () from /lib/tls/i686/cmov/libc.so.6 >>> #5 0xb73f8c26 in g_free () from /usr/lib/libglib-2.0.so.0 >>> #6 0xb748b3d4 in g_cclosure_marshal_VOID__VOID () >>> from /usr/lib/libgobject-2.0.so.0 >>> #7 0xb747dc4b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 >>> #8 0xb7494095 in ?? () from /usr/lib/libgobject-2.0.so.0 >>> #9 0xb74957ac in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 >>> #10 0xb7495c26 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 >>> #11 0xb781deaa in gtk_button_clicked () from /usr/lib/libgtk-x11-2.0.so.0 >>> #12 0xb781ef58 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 >>> #13 0xb748b3d4 in g_cclosure_marshal_VOID__VOID () >>> from /usr/lib/libgobject-2.0.so.0 >>> #14 0xb747c3c9 in ?? () from /usr/lib/libgobject-2.0.so.0 >>> #15 0xb747dc4b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 >>> #16 0xb74938ee in ?? () from /usr/lib/libgobject-2.0.so.0 >>> #17 0xb74957ac in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 >>> #18 0xb7495c26 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 >>> #19 0xb781df4a in gtk_button_released () from /usr/lib/libgtk-x11-2.0.so.0 >>> #20 0xb781df83 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 >>> #21 0xb78d2036 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 >>> #22 0xb747c3c9 in ?? () from /usr/lib/libgobject-2.0.so.0 >>> #23 0xb747dc4b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 >>> #24 0xb7493d3d in ?? () from /usr/lib/libgobject-2.0.so.0 >>> #25 0xb749562b in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 >>> #26 0xb7495c26 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 >>> #27 0xb79e733e in ?? () from /usr/lib/libgtk-x11-2.0.so.0 >>> #28 0xb78cab4c in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 >>> #29 0xb78cbef7 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 >>> #30 0xb776250a in ?? () from /usr/lib/libgdk-x11-2.0.so.0 >>> #31 0xb73f0718 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 >>> #32 0xb73f3dc3 in ?? () from /usr/lib/libglib-2.0.so.0 >>> #33 0xb73f42e2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 >>> #34 0xb78cc3a9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 >>> #35 0x08056842 in main (argc=Cannot access memory at address 0x12ff >>> ) at main.c:278 >>> (gdb) >>> >>> Any ides what may be causing this and how to fix it? >> >> Do you call gtk_init() before doing any other gtk related tasks? >> >> If you are using threads, do you call gdk_threads_init() and use >> gdk_threads_enter() and gdk_threads_leave()? >> >> Cheers >> >>> >>> Greetings/Thanks >>> Robert >>> _______________________________________________ >>> gtk-app-devel-list mailing list >>> gtk-app-devel-list@gnome.org >>> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list >>> >> > _______________________________________________ > gtk-app-devel-list mailing list > gtk-app-devel-list@gnome.org > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list > _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
