Comment 2 for bug 1029944

StacktraceTop:
 g_malloc0 (n_bytes=96) at /build/buildd/glib2.0-2.33.6/./glib/gmem.c:194
 g_source_new (source_funcs=0x7fd89e9328c0, struct_size=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:814
 g_idle_source_new () at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:4802
 schedule_callbacks (connection=connection@entry=0xf00120, signal_data_array=0xf6faa0, message=message@entry=0x7fd8886ee850, sender=sender@entry=0x7fd893ffffd0 ":1.19") at /build/buildd/glib2.0-2.33.6/./gio/gdbusconnection.c:3811
 distribute_signals (message=0x7fd8886ee850, connection=0xf00120) at /build/buildd/glib2.0-2.33.6/./gio/gdbusconnection.c:3859