Previous write KMDF program is configured via the serial port, then we Attach to outside the process, you can debug directly Winbdg in VS, where the path winbdg.exe is C: \ Program Files (x86) \ Windows Kits \ 10 \ Debuggers \ x64. How to use it yet.
If the serial port is configured to do so: windbg.exe -b -k com: pipe, port = \\ \ pipe \ com_1, resets = 0.
If the network is then arranged: WinDbg -k net: port = 50000, key = 1.2.3.4