14:57:03 540	<LAYER 10-2> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
14:57:03 541	<LAYER 10-2> ERROR:GetDemoDrive-->Get PDOName failed
15:40:11 274	<LAYER 10-2> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
15:40:11 275	<LAYER 10-2> ERROR:GetDemoDrive-->Get PDOName failed
15:40:44 734	<LAYER 10-2> ERROR:GetDrive-->CM_Get_Child(instance:2948) failed,err=0xd
