(gdb) run Starting program: /usr/bin/perl script.pl [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffe5602700 (LWP 13152)] [New Thread 0x7fffe4e01700 (LWP 13153)] Thread 1 "perl" received signal SIGSEGV, Segmentation fault. emission_find (instance=0x116dfdf0, detail=0, signal_id=11) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./gobject/gsignal.c:824 824 /build/glib2.0-prJhLS/glib2.0-2.48.2/./gobject/gsignal.c: No such file or directory. (gdb) bt #0 0x00007ffff6949820 in signal_emit_unlocked_R (instance=0x116dfdf0, detail=0, signal_id=11) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./gobject/gsignal.c:824 #1 0x00007ffff6949820 in signal_emit_unlocked_R (node=node@entry=0x249d070, detail=detail@entry=0, instance=instance@entry=0x116dfdf0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffffffd7d0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./gobject/gsignal.c:3513 #2 0x00007ffff6952d5c in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7fffffffd980) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./gobject/gsignal.c:3385 #3 0x00007ffff695308f in g_signal_emit (instance=instance@entry=0x116dfdf0, signal_id=, detail=detail@entry=0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./gobject/gsignal.c:3441 #4 0x00007fffefb72db0 in gtk_object_dispose (gobject=0x116dfdf0 [GtkTextView]) at /build/gtk+2.0-jJZIsQ/gtk+2.0-2.24.30/gtk/gtkobject.c:421 #5 0x00007ffff693cd25 in g_object_unref (_object=0x116dfdf0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./gobject/gobject.c:3146 #6 0x00007ffff6b9ae4a in () at /usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Glib/Glib.so #7 0x00000000004bd45a in Perl_pp_entersub () #8 0x000000000043c2a8 in Perl_call_sv () #9 0x00000000004c1e03 in () #10 0x00000000004c2840 in Perl_sv_clear () #11 0x00000000004c2afd in Perl_sv_free2 () #12 0x00000000004c0c7b in () #13 0x00000000004c2eb4 in Perl_sv_clean_objs () #14 0x000000000043ee8b in perl_destruct () #15 0x000000000041caf3 in main ()