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windbgremote-debugging

How is remote debugging over 1394 cable working?

I'm a bit confused by the MSDN documentation.

There are two articles that I don't fully understand. First http://msdn.microsoft.com/en-us/library/windows/hardware/hh451173(v=vs.85).aspx that says:

Suppose you are set up to establish a kernel-mode debugging session, between a host computer and a target computer, over a 1394 cable on channel 32. You can use the following procedure to establish a remote debugging session: On the host computer, enter the following command in a Command Prompt window. windbg -server tcp:port=5005 -k 1394:channel=32 On the remote computer, enter the following command in a Command Prompt window. windbg -remote tcp:Port=5005,Server=YourHostComputer where YourHostComputer is the name of your host computer, which is running the debugging server.

If this is done over a 1394 cable, why does the command say "tcp:port=5005" ?

I managed to set up a connection using the above instructions, but I don't understand exactly what the command does.

Second, this seems to do a totally different thing http://msdn.microsoft.com/en-us/library/windows/hardware/ff556866(v=vs.85).aspx

I need some "for beginners" type of info. Some words about how this works or some documentations that explains things a bit more in detail will be helpful.

Solution

  • The command windbg -server tcp:port=5005 -k 1394:channel=32 opens up two connections:

    1. FireWire connection on channel #32 to the kernel debugger on a target machine.
    2. Starts listening on TCP port 5005, so that somebody else could connect from other (remote) machine.

    You don't have to have a connection #2 if you have access to desktop on host machine. In such cases you can simply remove -server ... option from command line.