StacktraceTop: device_tree_changed ( g_closure_invoke (closure=0xa31dc0, signal_emit_unlocked_R (node=0xaa6a70, g_signal_emit_valist (instance=0xac5140, g_signal_emit (instance=0x7f003f617478,
StacktraceTop: tree_changed ( emit_unlocked_ R (node=0xaa6a70, emit_valist (instance=0xac5140, 0x7f003f617478,
device_
g_closure_invoke (closure=0xa31dc0,
signal_
g_signal_
g_signal_emit (instance=