17:13:58 758	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
17:13:58 758	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
17:13:58 758	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
17:15:20 671	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
17:15:20 671	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
19:28:48 350	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
19:28:48 350	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
19:28:48 350	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
