StacktraceTop:mount_pre_unmount_cb (volume_monitor=0x863f120, IA__g_cclosure_marshal_VOID__OBJECT (closure=0x8727f70, IA__g_closure_invoke (closure=0x8727f70, return_value=0x0, signal_emit_unlocked_R (node=0x1f8e31e, detail=141663024, IA__g_signal_emit_valist (instance=0x863f120, signal_id=21,
StacktraceTop: mount_pre_ unmount_ cb (volume_ monitor= 0x863f120, marshal_ VOID__OBJECT (closure=0x8727f70, invoke (closure=0x8727f70, return_value=0x0, emit_unlocked_ R (node=0x1f8e31e, detail=141663024, emit_valist (instance= 0x863f120, signal_id=21,
IA__g_cclosure_
IA__g_closure_
signal_
IA__g_signal_