Hi, Since you have done nothing about this easily reproducible bug for six months, here's something for you. It's the full output from gdb during clicking on the "delete" button in the repository editor window.
Synaptic's version is 0.80.4.
$ sudo gdb synaptic [sudo] password for monsta: GNU gdb (GDB) 7.6.1 (Debian 7.6.1-1) Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/sbin/synaptic...(no debugging symbols found)...done. (gdb) run Starting program: /usr/sbin/synaptic warning: Could not load shared library symbols for linux-vdso.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0x9d8df0 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93290 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93b50 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93c90 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xae1140 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0x9d8df0 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93290 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93b50 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93c90 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xae1140 is not mapped (synaptic:3756): GLib-GObject-CRITICAL **: g_object_set_data: assertion `G_IS_OBJECT (object)' failed (synaptic:3756): GLib-GObject-WARNING **: invalid (NULL) pointer instance (synaptic:3756): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0x9d8df0 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93290 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93b50 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93c90 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xae1140 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0x9d8df0 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93290 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93b50 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93c90 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xae1140 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0x9d8df0 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93290 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93b50 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93c90 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xae1140 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0x9d8df0 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93290 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93b50 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93c90 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xae1140 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0x9d8df0 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93290 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93b50 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xa93c90 is not mapped (synaptic:3756): Gtk-WARNING **: GtkNotebook 0xa42340 is mapped but visible child GtkLabel 0xae1140 is not mapped (synaptic:3756): Gtk-CRITICAL **: gtk_list_store_get_value: assertion `iter_is_valid (iter, list_store)' failed (synaptic:3756): GLib-GObject-WARNING **: /tmp/buildd/glib2.0-2.36.4/./gobject/gtype.c:4239: type id `0' is invalid (synaptic:3756): GLib-GObject-WARNING **: can't peek value table for type `<invalid>' which is not currently referenced Program received signal SIGSEGV, Segmentation fault. 0x00007ffff70e9555 in gtk_tree_model_get_valist () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 (gdb) bt full #0 0x00007ffff70e9555 in gtk_tree_model_get_valist () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #1 0x00007ffff70e986c in gtk_tree_model_get () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #2 0x000000000044910a in ?? () No symbol table info available. #3 0x0000000000449826 in ?? () No symbol table info available. #4 0x00007ffff5895157 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00007ffff58ad248 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007ffff58adf32 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #7 0x00007ffff710949c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #8 0x00007ffff710cc83 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #9 0x00007ffff5894f28 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #10 0x00007ffff58a5edd in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #11 0x00007ffff58adce9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #12 0x00007ffff58adf32 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #13 0x00007ffff7000185 in gtk_list_store_remove () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #14 0x0000000000447cbc in ?? () No symbol table info available. #15 0x00007ffff5895157 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #16 0x00007ffff58ad248 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #17 0x00007ffff58adf32 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #18 0x00007ffff6f3b138 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #19 0x00007ffff5895157 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #20 0x00007ffff58ad248 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #21 0x00007ffff58adf32 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #22 0x00007ffff6f39ce1 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #23 0x00007ffff70042fe in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #24 0x00007ffff58950cf in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #25 0x00007ffff58ad248 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #26 0x00007ffff58adf32 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #27 0x00007ffff71245d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. ---Type <return> to continue, or q <return> to quit--- #28 0x00007ffff70025fc in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #29 0x00007ffff7003ee5 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #30 0x00007ffff6c3ee02 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 No symbol table info available. #31 0x00007ffff55cdea6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #32 0x00007ffff55ce1f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #33 0x00007ffff55ce5fa in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #34 0x00007ffff700339d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #35 0x0000000000448e3e in ?? () No symbol table info available. #36 0x00000000004431da in ?? () No symbol table info available. #37 0x00007ffff5894f28 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #38 0x00007ffff58a5edd in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #39 0x00007ffff58adce9 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #40 0x00007ffff58adf32 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #41 0x00007ffff712346c in gtk_widget_activate () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #42 0x00007ffff701eeee in gtk_menu_shell_activate_item () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #43 0x00007ffff701f26b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #44 0x00007ffff70042fe in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #45 0x00007ffff5895157 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #46 0x00007ffff58ad248 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #47 0x00007ffff58adf32 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #48 0x00007ffff71245d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #49 0x00007ffff70025fc in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #50 0x00007ffff7003ee5 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #51 0x00007ffff6c3ee02 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 No symbol table info available. #52 0x00007ffff55cdea6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #53 0x00007ffff55ce1f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #54 0x00007ffff55ce5fa in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #55 0x00007ffff700339d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. ---Type <return> to continue, or q <return> to quit--- #56 0x0000000000416246 in ?? () No symbol table info available. #57 0x00007ffff3abd995 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #58 0x000000000041861f in ?? () No symbol table info available. (gdb)
