10:51:14 462	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
10:51:14 971	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
11:14:09 986	<LAYER 2-1-2> ERROR:GetDrive-->CM_Get_Child(instance:6200) failed,err=0xd
11:14:10 488	<LAYER 2-1-2> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
11:14:10 488	<LAYER 2-1-2> ERROR:GetDemoDrive-->Get PDOName failed
14:48:14 322	<LAYER 2-1-2> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
14:48:14 447	<LAYER 2-1-2> ERROR:GetDemoDrive-->Get PDOName failed
14:48:14 963	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
14:48:15 466	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
14:50:08 733	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
14:50:09 234	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
16:04:47 887	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
16:04:48 390	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
16:16:11 197	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
16:16:11 698	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
