Re: [Xen-devel] [Embedded-pv-devel] Migrated from Xenserver to Gentoo/Xen

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Xen-devel [mailto:xen-devel-bounces@xxxxxxxxxxxxx] On Behalf Of
> Andrii Anisov
> Sent: 25 May 2017 04:28
> To: Keith Hamilton <keith@xxxxxxxxxxxxxxxx>; xen-devel <xen-
> devel@xxxxxxxxxxxxxxxxxxxx>
> Cc: embedded-pv-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] [Embedded-pv-devel] Migrated from Xenserver to
> Gentoo/Xen
> 
> Dear Keith,
> 
> 
> On 25.05.17 04:19, Keith Hamilton wrote:
> >
> > Hey guys.  I just migrated the first of 2 servers from XenServer into
> > a Gentoo/Xen environment.  I’m really excited and it’s working great!
> > However I’m not sure if I’m doing the drivers correctly.  On my Server
> > 2016 vm I am having a hard time overwriting the XenServer PV drivers
> > with the Xen ones from the website it just says that the driver is up
> > to date.  I’m just wondering if I should worry that I don’t have the
> > PV drivers installed from the Xen site and the XenServer ones are
> > going to be ok.  I’m not sure what to do. I did a save state and then
> > did a clean install of my 2016 server with no change.  I have gone
> > into device manager and removed the XenServer Bus interface and a
> > couple others in hopes to be able to install the ones from the
> > XenProject site but it just renders the system unbootable.

That's not entirely surprising. Removing Windows drivers is not an easy thing 
to do and not something that Microsoft really support. You're safest just 
leaving XenServer drivers in place as they are largely the same as the Xen 
Project drivers.
What has probably happened is that, by removing the bus driver you have 
prevented the PV storage driver from coming on line, but all the infrastructure 
is still in place to unplug your emulated storage device. Thus you no longer 
have a system disk and you get a 0x7b BSOD.

> >  I guess my
> > question is, is there any simple way to remove the XenServer PV
> > drivers on my 2016 server so that I can install the proprietary Xen PV
> > drivers without having to do a complete format of the system.  I have
> > already uninstalled all the citrix stuff I had installed..
> >
> > == Keith
> >
> >
> I guess xen-devel is more suitable list to ask server side questions.
> 

win-pv-devel is more appropriate :-)

  Paul

> --
> 
> *Andrii Anisov*
> 
> 
> 
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