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Re: [Xen-users] [win-pv-devel] Removing old glpv windows drivers to install new -> inaccessible boot device

Il 30/10/2015 10:54, Paul Durrant ha scritto:
-----Original Message-----
From: win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx [mailto:win-pv-devel-
bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of ÃliÃs TamÃs
Sent: 29 October 2015 21:38
Cc: xen-users@xxxxxxxxxxxxx; win-pv-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [win-pv-devel] [Xen-users] Removing old glpv windows drivers
to install new -> inaccessible boot device

Hi all. Thank you for the tips.

Here is what needed to be done.

- Boot in safe mode.
- use uninstall.bat to remove old drivers.
- use ccleaner or similar application to remove old driver install entries.
- scan through the file system end delete xen*
- bcdedit -set TESTSIGNING ON
- install pfx files to local computer cert store.
- reboot into safe mode
- install new drivers (xenbus, xenvif, etc) using dpinst.exe (admin mode)
- reboot to normal mode (there will be no network, no xen devices can be
seen, etc for some reason)
- go to hardware, check unknown PCI device and manually install xenbus
for that.
- after this, all other drivers appear suddenly.
- reboot, done.

It would be nice to remove the testsigning though, but at lest it is
working now.
To get rid of the need for testsigning it's necessary for drivers to be 
'realease signed' and in the case of Windows 10 this means that they have to be 
signed directly by Microsoft. To achieve all this certificates must be 
purchased and fees must be paid to Microsoft so budget is required from 


About buy the certificates and any things needed can you start a crowdfunding? (in site like kickstarter) So anyone who wants can contribute,I will contribute, most likely also the company where I work and I suppose other people would help to haveofficial signed drivers.

Thanks for any reply and sorry for my bad english.

2015-10-29 10:38 keltezÃssel, George Dunlap Ãrta:
On Wed, Oct 28, 2015 at 8:50 AM, ÃliÃs TamÃs <et@xxxxxxx> wrote:
Hi. Yes, I confirm, that booting into safe mode is possible. I turned on
testsigning with bcdedit, and tried installing the drivers again.

The isntall went fine, I could reboot. Unfortunately since then (it is
more then 8 hours now) I'm facing the attached screen. The animation is
just rolling, rolling rolling and nothing happens. CPU ticks are used,
so I assume something is happening, but it seemes pretty much stuck.

Any ideas?
I *think* the XenServer PV drivers are using miniport; in which case
this KB article might be of use:


Paul Durrant can correct me if I'm wrong about miniport (and may be
able to point you to a more useful fix if so).



ÃliÃs TamÃs
Thomas Elias

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