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i want to do kernel debugging on my vm from another vm.

My setup is pretty simple,

Debugged - VM: Windows XP SP3 x32 (To be debugged)

Debugger - VM: Windows 7 SP1 x64 (With Windbg installed - the Debugger)

the pipe configuration is pretty simple as well.. both ends should be set as The other end is a virtual machine, and on the XP VM i set the pipe as This end is the server and on the Win7 vm i set This end is the client. Im using Vmware Workstation 10.0.3 btw..

I know i did setup my XP vm correctly because i can debug it from the host easily - configuring The other end is an application and connecting it with Windbg from my host computer (Win7 x64) and its working properly. So i know there is no problem with my Win-XP setup

But doing the same thing from the other vm, nothing happens. I looked through the internet and i even followed tutorials that explained exactly what i already did. I have no idea what i'm missing and i feel pretty helpless so i came asking here.

Anyone got any ideas what is the problem with my setup?

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  • Are all your settings the same as described in ndis.com/ndis-debugging/virtual/vmwaresetup.htm ?
    – Jason Geffner
    Commented Nov 20, 2015 at 17:32
  • @JasonGeffner, It does look a little different than my setup, yet its still not working. The difference is (Between what i thought is correct): They put on the Debugged vm The other end is an application when the other side is a VM that is supposed to debug it. Also on the windbg, the pipe name they use is \\.\com1 instead of \\.\pipe\com_1 which is what i did. Nonetheless its still not working even with their setup
    – 0xAK
    Commented Nov 20, 2015 at 17:54
  • As per pubs.vmware.com/workstation-10/topic/com.vmware.ws.using.doc/…, are you sure the serial port is connected in both VMs?
    – Jason Geffner
    Commented Nov 20, 2015 at 17:58
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    @JasonGeffner, communities.vmware.com/message/2557171#2557171 I gave it a try.. lets see if ill get any luck there
    – 0xAK
    Commented Nov 20, 2015 at 18:34
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    Since you are using VMWare Workstation, I would recommend the use of VirtualKD. It is really easy to set up, and is extremely fast.
    – tmr232
    Commented Nov 20, 2015 at 20:27

1 Answer 1

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Fixed the problem.. On the windbg client, uncheck the 'Reconnect' and 'Pipe' checkboxes on the COM tab - then it will connect to the debugger.

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