Re: [win-pv-devel] How to debug windows drivers

[Alexander Schulz <mail@xxxxxxxxxxxxx>]

Hello @all, Hello Paul,

I tried this on XCP-ng, but without luck as you can read here: 
https://xcp-ng.org/forum/topic/681/serial-port-from-vm
So I assume that you (Paul) just develop on plain XEN? Do you or someone 
else know a proper way to do the debugging under XenServer/XCP-ng?
I wonder how Citrix devs do this ;-)

Thanks!

Alex


Am 28.11.2018 um 17:52 schrieb Paul Durrant:
> > -----Original Message-----
> > From: win-pv-devel [mailto:win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On
> > Behalf Of code@xxxxxxxxxxxxx
> > Sent: 27 November 2018 23:20
> > To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> > Subject: [win-pv-devel] How to debug windows drivers
> >
> > Hello @all,
> >
> > is there a howto for debugging the PV-Drivers in Visual Studio? I tried
> > in Visual Studio 2012 and 2017 (Windows Kernel Mode Debuggers) but had
> > no luck so far. It seems that MS doesn't have a easy way to do this. I
> > read and tried all the stuff on MSDN (KDNET, WinDbg, etc.), but ... :-(
> >
> > How do you debug these drivers?
> What I normally do is set up a virtual serial port in QEMU and then set up 
> Windows to debug via serial.
>
> On your client machine you then need to use something to map a local pipe or 
> serial port to that virtual serial device. There are several ways of doing it 
> but the one I normally use is to have QEMU map the virtual serial port to a TCP 
> socket and then I run a small daemon on my client machine that connects to that 
> socket and pumps data between that and a named pipe. I then connect WinDbg to 
> the named pipe.
>
>    HTH,
>
>      Paul
>
> > Thanks for any advice or pointers!
> >
> > --
> > Alexander Schulz
> > XCP-ng Project Member
> >
> > Maintainer of: XCP-ng Center and XCP-ng PV-Tools
> >
> >
> > XCP-ng Project
> > --------------
> > web: https://xcp-ng.org
> > Github: https://github.com/xcp-ng
> > IRC: #xcp-ng on Freenode
> >
> >
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