#0  0x00007f6897144ab9 in g_cancellable_is_cancelled (cancellable=0x7f6896ca09a0) at /build/buildd/glib2.0-2.33.6/./gio/gcancellable.c:296
  [Error: /build/buildd/glib2.0-2.33.6/./gio/gcancellable.c was not found in source tree]
#1  0x00007f68701dc766 in ?? () from /tmp/tmptq8iie/usr/lib/libaccountsservice.so.0
#2  0x00007f689718103e in g_simple_async_result_complete (simple=0x48710e0) at /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c:775
  [Error: /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c was not found in source tree]
#3  0x00007f68971dfc73 in reply_cb (connection=<optimized out>, res=0x2e902b0, user_data=user_data@entry=0x48710e0) at /build/buildd/glib2.0-2.33.6/./gio/gdbusproxy.c:2632
  [Error: /build/buildd/glib2.0-2.33.6/./gio/gdbusproxy.c was not found in source tree]
#4  0x00007f689718103e in g_simple_async_result_complete (simple=0x2e902b0) at /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c:775
  [Error: /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c was not found in source tree]
#5  0x00007f68971d5dce in g_dbus_connection_call_done (source=0x223be60, result=<optimized out>, user_data=user_data@entry=0x7f688003aa10) at /build/buildd/glib2.0-2.33.6/./gio/gdbusconnection.c:5333
  [Error: /build/buildd/glib2.0-2.33.6/./gio/gdbusconnection.c was not found in source tree]
#6  0x00007f689718103e in g_simple_async_result_complete (simple=0x4870d20) at /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c:775
  [Error: /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c was not found in source tree]
#7  0x00007f689718116c in complete_in_idle_cb (data=0x4870d20) at /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c:787
  [Error: /build/buildd/glib2.0-2.33.6/./gio/gsimpleasyncresult.c was not found in source tree]
#8  0x00007f6896c0fc65 in g_main_dispatch (context=0x14914d0) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:2691
  [Error: /build/buildd/glib2.0-2.33.6/./glib/gmain.c was not found in source tree]
#9  g_main_context_dispatch (context=context@entry=0x14914d0) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3195
  [Error: /build/buildd/glib2.0-2.33.6/./glib/gmain.c was not found in source tree]
#10 0x00007f6896c0ff98 in g_main_context_iterate (context=0x14914d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3266
  [Error: /build/buildd/glib2.0-2.33.6/./glib/gmain.c was not found in source tree]
#11 0x00007f6896c10392 in g_main_loop_run (loop=0x1495fe0) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3460
  [Error: /build/buildd/glib2.0-2.33.6/./glib/gmain.c was not found in source tree]
#12 0x00007f689877c337 in meta_run () at core/main.c:545
  [Error: core/main.c was not found in source tree]
#13 0x0000000000401999 in main (argc=1, argv=0x7fff354df778) at main.c:408
  403:   if (session_mode == NULL)
  404:     session_mode = is_gdm_mode ? "gdm" : "user";
  405: 
  406:   _shell_global_init ("session-mode", session_mode, NULL);
  407: 
  408:   ecode = meta_run ();
  409: 
  410:   if (g_getenv ("GNOME_SHELL_ENABLE_CLEANUP"))
  411:     {
  412:       g_printerr ("Doing final cleanup...\n");
  413:       g_object_unref (shell_global_get ());