Re: [Xen-devel] Network card disappears (probably xennet crash) on windows 7 pro 64 bit with gplpv

[James Harper <james@xxxxxxxxxxxxxxxxx>]

> 
> Il 25/09/2014 12:00, James Harper ha scritto:
> >> -----Original Message-----
> >> From: Fabio Fantoni [mailto:fabio.fantoni@xxxxxxx]
> >> Sent: Thursday, 25 September 2014 7:38 PM
> >> To: James Harper; xen-devel; xen-users@xxxxxxxxxxxxxxxxxxxx
> >> Subject: Re: Network card disappears (probably xennet crash) on
> windows 7
> >> pro 64 bit with gplpv
> >>
> >> Il 25/09/2014 11:15, James Harper ha scritto:
> >>>> On one dom0 wheezy with xen 4.4-stable and xen-unstable and some
> >> linux
> >>>> and windows domUs I have had several times in recent months one or
> >> more
> >>>> windows domUs no longer reachable via the network.
> >>>> In all cases the network card disappears and I must reboot windows to
> >>>> have the network working, I had also installed latest gplpv version
> >>>> (1.0.1100) that I saw that solves crash with xennet.sys but the problem
> >>>> persist.
> >>>>
> >>>> If you need more informations and/or tests tell me and I'll post them.
> >>>>
> >>> Can you tell me what you mean by "disappears"? Is the machine still
> >> running but you can't see a network card anymore?
> >>
> >> Yes windows still running but don't show network card anymore.
> >> This happen after hours or days on one or more windows domUs, other
> >> still working correctly, I not found exactly cause of that and the only
> >> solution for now is reboot the domU when happen.
> >>
> >>> James
> >>>
> > I doubt I'll be able to reproduce this.
> >
> > Can you run with the debug version of the drivers, and use debugview
> from sysinternals (you'll need to turn on some logging options in the registry
> - let me know if google doesn't help you find them).
> >
> > Then, when the crash happens, send me whatever debugview has
> captured.
> >
> > The debug version of the drivers is a little slower though, so this may not 
> > be
> an option.
> >
> > I'll be uploading an update in a few days so maybe wait until then to test 
> > (it
> won't fix your problem but it's easier if you run the latest version)
> >
> > James
> 
> I tried the build 1105 and the problem still persist.
> Now I'll try to install debug build and use debugview.
> Debugview 4.81 open as administrator and with all capture options enable
> is ok?
> This is the only and correct key to add?
> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session
> Manager\Debug Print Filter Add the following value "DEFAULT" :
> REG_DWORD
> : 0xFFFFFFFF (found in google with a fast search)
> 
> Thanks for any reply and sorry for my bad english.

That looks about right.

James

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