GNU gdb (Gentoo 7.12.1 vanilla) 7.12.1 Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from claws-mail...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/claws-mail [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". [New Thread 0x7fffe9b36700 (LWP 10822)] [New Thread 0x7fffe9335700 (LWP 10823)] [New Thread 0x7fffe3df3700 (LWP 10827)] ** (claws-mail:10815): WARNING **: [10:33:47] IMAP error on redacted.mail.server: LOGIN error (claws-mail:10815): GLib-GObject-WARNING **: cannot register existing type 'DBusGProxy' (claws-mail:10815): GLib-GObject-CRITICAL **: g_type_set_qdata: assertion 'node != NULL' failed (claws-mail:10815): GLib-GObject-CRITICAL **: g_boxed_type_register_static: assertion 'g_type_from_name (name) == 0' failed (claws-mail:10815): GLib-GObject-CRITICAL **: g_type_set_qdata: assertion 'node != NULL' failed (claws-mail:10815): GLib-GObject-CRITICAL **: g_boxed_type_register_static: assertion 'g_type_from_name (name) == 0' failed (claws-mail:10815): GLib-GObject-CRITICAL **: g_type_set_qdata: assertion 'node != NULL' failed Thread 1 "claws-mail" received signal SIGSEGV, Segmentation fault. 0x00007ffff4896bc8 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0 (gdb) bt #0 0x00007ffff4896bc8 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0 #1 0x00007ffff489763b in ?? () from /usr/lib64/libglib-2.0.so.0 #2 0x00007ffff4897aa2 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0 #3 0x00007ffff707fee7 in gtk_main () from /usr/lib64/libgtk-x11-2.0.so.0 #4 0x0000555555733be6 in prefs_account_open () #5 0x000055555567ba4d in account_open () #6 0x00007ffff4b6ff15 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0 #7 0x00007ffff4b81f47 in ?? () from /usr/lib64/libgobject-2.0.so.0 #8 0x00007ffff4b8ac06 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0 #9 0x00007ffff4b8aff7 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0 #10 0x00007ffff6fc5510 in ?? () from /usr/lib64/libgtk-x11-2.0.so.0 #11 0x00007ffff4b6ff15 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0 #12 0x00007ffff4b81911 in ?? () from /usr/lib64/libgobject-2.0.so.0 #13 0x00007ffff4b8ac06 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0 #14 0x00007ffff4b8aff7 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0 #15 0x00007ffff7198e9e in gtk_widget_activate () from /usr/lib64/libgtk-x11-2.0.so.0 #16 0x00007ffff709401d in gtk_menu_shell_activate_item () from /usr/lib64/libgtk-x11-2.0.so.0 #17 0x00007ffff7094386 in ?? () from /usr/lib64/libgtk-x11-2.0.so.0 #18 0x00007ffff70822ec in ?? () from /usr/lib64/libgtk-x11-2.0.so.0 #19 0x00007ffff4b6ff15 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0 #20 0x00007ffff4b82342 in ?? () from /usr/lib64/libgobject-2.0.so.0 #21 0x00007ffff4b8a6b3 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0 #22 0x00007ffff4b8aff7 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0 #23 0x00007ffff719a11c in ?? () from /usr/lib64/libgtk-x11-2.0.so.0 #24 0x00007ffff7080ab4 in gtk_propagate_event () from /usr/lib64/libgtk-x11-2.0.so.0 #25 0x00007ffff7080e6b in gtk_main_do_event () from /usr/lib64/libgtk-x11-2.0.so.0 #26 0x00007ffff6cf841c in ?? () from /usr/lib64/libgdk-x11-2.0.so.0 #27 0x00007ffff4897517 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0 #28 0x00007ffff4897780 in ?? () from /usr/lib64/libglib-2.0.so.0 #29 0x00007ffff4897aa2 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0 #30 0x00007ffff707fee7 in gtk_main () from /usr/lib64/libgtk-x11-2.0.so.0 #31 0x0000555555676897 in main () (gdb) quit A debugging session is active. Inferior 1 [process 10815] will be killed. Quit anyway? (y or n) y