Re: [win-pv-devel] Signed 8.1.0 drivers

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: win-pv-devel [mailto:win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On
> Behalf Of Éliás Tamás
> Sent: 27 July 2016 13:34
> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [win-pv-devel] Signed 8.1.0 drivers
> 
> Hi.
> I played quite a lot with those EJB drivers.
> 
> when you uninstall them, you need to be extremely sure, that you
> uninstalled allprevious versions, and used the uninstaller.bat file too,
> and also you removed any reference fromt he registry. pls browse through
> the archives of the list, becaosuse there already had been several
> scripts published on this to resolv this problem.
> 
> After unisntallation a reboot is required, then booting into safe mode
> and installing the new drivers should do the trick.
> 

Thanks Elias. Really you should not install new PV drivers until you have a VM 
that boots normally after having removed previous PV drivers. Installation of 
the Xen Project drivers should then be done after a normal boot (with emulated 
devices), not when in safe mode.

  Paul

> 2016-07-26 19:52 keltezéssel, Brandon Shoemaker írta:
> > Hey Paul and list,
> >
> > That fixed it!  Okay so I will remember that one update is needed for any
> new clean Windows 2008 R2 install not yet updated.
> >
> > Still I am not sure about the reason why the EJB digital driver uninstall 
> > and
> update to these drivers resulted in Windows 2008 R2 hanging forever on
> reboot.  I tested this twice with the same results.  I'd expect you may see
> some others complain of seeing this problem in the future.  Maybe someone
> with more time and capability than me can later confirm a working procedure
> for upgrading from those drivers to these new drivers that can result in
> success.
> >
> > My procedure was:
> >
> > 1. Uninstall the EJB digital drivers from the Windows control panel
> > 2. Don't reboot yet
> > 3. Install all the new drivers
> > 4. reboot
> > 5. I found if you reboot first before installing the new drivers you end up
> with a blue screen
> >
> > My procedure must be incomplete or have flaws.
> >
> > Thanks again for your support on this list.
> >
> >
> >> -----Original Message-----
> >> From: Paul Durrant
> >> Sent: 26 July 2016 18:24
> >> To: 'Brandon Shoemaker'; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> >> Subject: RE: [win-pv-devel] Signed 8.1.0 drivers
> >>
> >>> -----Original Message-----
> >>> From: win-pv-devel
> >>> [mailto:win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx]
> >> On
> >>> Behalf Of Brandon Shoemaker
> >>> Sent: 26 July 2016 18:08
> >>> To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> >>> Subject: [win-pv-devel] Signed 8.1.0 drivers
> >>>
> >>> Hello,
> >>>
> >>> I have been waiting on these new signed drivers.  Thanks for finally
> >>> making them available!
> >>>
> >>> I have tested and run into a problems unfortunately so I wanted to
> >>> report this.
> >>>
> >>> First I tried uninstalling the EJB digital drivers
> >>> (ejbpv_Vista2008x64_1.0.1105.msi) and installing these new drivers
> >>> on Windows 2008 R2 x64 existing VPS.  After rebooting Windows 2008
> >>> R2
> >> hangs
> >>> forever at boot.
> >>>
> >>> Secondly I have installed a clean Windows 2008 R2 and then installed
> >>> all the drivers and when I reboot it goes into recovery mode.  I
> >>> happen to check Windows device manager before I rebooted and I
> >>> noticed that the "Xen PV Bus" driver has a yellow warning symbol as
> shown in the screenshot >
> >>> https://postimg.org/image/x08g7n4wn/   it says it cannot verify the
> digital
> >>> signature for the Xen PV Bus drivers.  Nothing was done but the
> >>> install of Windows and then immediate install of the drivers.
> >>
> >> I suspect this is because the drivers are signed with SHA-256 and you
> >> may need a hotfix to enable verification of kernel mode drivers signed
> >> with a
> >> SHA-256 cert.
> >
> > Specifically see https://technet.microsoft.com/en-
> us/library/security/3033929?f=255&MSPPError=-2147217396
> >
> >>
> >>   Paul
> >>
> >
> >
> >
> > _______________________________________________
> > win-pv-devel mailing list
> > win-pv-devel@xxxxxxxxxxxxxxxxxxxx
> > https://lists.xenproject.org/cgi-bin/mailman/listinfo/win-pv-devel
> >
> 
> --
> 
> 
> Éliás Tamás
> Thomas Elias
> 
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