% gdb gtk3-demo-application (gdb) r Starting program: /usr/local/bin/gtk3-demo-application [New LWP 100186] [New Thread 807407400 (LWP 100186/gtk3-demo-applicati)] GLib-GIO-Message: Using the 'memory' GSettings backend. Your settings will not be saved or shared with other applications. [New Thread 807652400 (LWP 100190/gtk3-demo-applicati)] GLib (gthread-posix.c): Unexpected error from C library during 'pthread_mutex_trylock': Invalid argument. Aborting. Program received signal SIGABRT, Aborted. [Switching to Thread 807407400 (LWP 100186/gtk3-demo-applicati)] 0x000000080708ce6c in thr_kill () from /lib/libc.so.7 (gdb) bt #0 0x000000080708ce6c in thr_kill () from /lib/libc.so.7 #1 0x000000080712a39b in abort () from /lib/libc.so.7 #2 0x00000008060110dc in g_thread_abort (status=Variable "status" is not available. ) at gthread-posix.c:76 #3 0x0000000806011a36 in g_mutex_trylock (mutex=Variable "mutex" is not available. ) at gthread-posix.c:256 #4 0x0000000805295f7a in g_dbus_connection_send_message_unlocked ( connection=0x807452810, message=0x807651b70, flags=2147483648, out_serial=0x7fffffffd354, error=0x7fffffffd348) at gdbusconnection.c:1587 #5 0x00000008052968a0 in g_dbus_connection_send_message_with_reply ( connection=0x807452810, message=0x807651b70, flags=Variable "flags" is not available. ) at gdbusconnection.c:1935 #6 0x0000000805296bea in g_dbus_connection_send_message_with_reply_sync ( connection=0x807452810, message=0x807651b70, flags=Variable "flags" is not available. ) at gdbusconnection.c:2183 #7 0x0000000805296faa in g_dbus_connection_call_sync_internal ( connection=0x807452810, bus_name=0x8052dcdf8 "org.freedesktop.DBus", object_path=0x8052dce0d "/org/freedesktop/DBus", interface_name=0x8052dcdf8 "org.freedesktop.DBus", method_name=0x8052e5874 "Hello", parameters=0x0, reply_type=0x8052dcd28, flags=2147483648, timeout_msec=-1, fd_list=0x0, out_fd_list=0x0, cancellable=0x0, error=0x807452878) at gdbusconnection.c:5514 #8 0x0000000805297148 in g_dbus_connection_call_sync (connection=Variable "connection" is not available. ) at gdbusconnection.c:5739 #9 0x0000000805298b1b in initable_init (initable=0x807452810, ---Type to continue, or q to quit--- cancellable=0x0, error=0x0) at gdbusconnection.c:2613 #10 0x0000000805294967 in g_bus_get_sync (bus_type=Variable "bus_type" is not available. ) at gdbusconnection.c:6811 #11 0x0000000805277f12 in g_application_impl_register ( application=0x807475190, appid=0x807506910 "org.gtk.Demo", flags=G_APPLICATION_FLAGS_NONE, exported_actions=0x80740e040, remote_actions=0x8074751f8, cancellable=0x0, error=0x7fffffffd600) at gapplicationimpl-dbus.c:376 #12 0x0000000805274ea3 in g_application_register (application=0x807475190, cancellable=0x0, error=0x7fffffffd600) at gapplication.c:1192 #13 0x00000008052761f5 in g_application_real_local_command_line ( application=0x807475190, arguments=0x7fffffffd658, exit_status=0x7fffffffd664) at gapplication.c:442 #14 0x0000000805275069 in g_application_run (application=0x807475190, argc=0, argv=0x0) at gapplication.c:1456 #15 0x000000000040245c in main (argc=Variable "argc" is not available. ) at application.c:395 (gdb) bt full #0 0x000000080708ce6c in thr_kill () from /lib/libc.so.7 No symbol table info available. #1 0x000000080712a39b in abort () from /lib/libc.so.7 No symbol table info available. #2 0x00000008060110dc in g_thread_abort (status=Variable "status" is not available. ) at gthread-posix.c:76 No locals. #3 0x0000000806011a36 in g_mutex_trylock (mutex=Variable "mutex" is not available. ) at gthread-posix.c:256 status = Variable "status" is not available.