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Re: Windows PV 8.2.2 upgrading to 9.0.0


  • To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
  • From: Paul Durrant <xadimgnik@xxxxxxxxx>
  • Date: Mon, 19 Jul 2021 11:48:53 +0100
  • Delivery-date: Mon, 19 Jul 2021 10:48:57 +0000
  • List-id: Developer list for the Windows PV Drivers subproject <win-pv-devel.lists.xenproject.org>

On 18/07/2021 05:51, Dominic Russell wrote:
[snip]

Today I wanted to update all Windows 10 and 2016 Xen PV drivers to the latest 
9.0.0 and encountered two issues :
        1. The VNC keyboard not being responsive is still happening!  The Xen 
version is 4.8.5, which is dated 2019/12 and the drivers are 2019/6, so it 
should work together I think.


The version of Xen is not the crucial part here; it's the version of QEMU that you're using. Still, that's a very old version of Xen and well out of security support.

        2. The other issue is more critical, even if dpinst mentions that it 
updated the driver, for many of them, it did not, I did not notice at first, 
restarted the computer and... just a turning wheel at startup and it stays 
there forever.  Is there an easy fix for that or the only way is to clear 
registry with the help of Hiren's boot CD?

If you can get into the console quickly enough at boot time then you should be able to boot in 'safe mode' which should disable PV drivers and use emulated devices instead.

What is the correct procedure to update Windows Xen PV drivers?


That's a very tricky question because it largely depends on what is there currently. You *should* be able to simply install 9.0 drivers over the top of 8.x drivers but, if that is not working, then it is probably best to actively remove any previous drivers, then reboot and bring up the system using emulated devices before then installing newer drivers.

  Cheers,

    Paul



 


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