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RE: [Xen-users] [GPLPV] Xennet device issues on Win2k3 x32DomU/Disabling just one PV device

  • To: "Vchat20" <vchat20@xxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Thu, 28 Jul 2011 22:27:41 +1000
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 28 Jul 2011 05:29:02 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcxM4wJrCs7NsLOMTxONP+n5eWbHmQAOtypg
  • Thread-topic: [Xen-users] [GPLPV] Xennet device issues on Win2k3 x32DomU/Disabling just one PV device

> Thanks for the response. At this point it is kinda a messy install so I am
> going to attempt to repair the install of the GPLPV drivers so it is fully
> operating including the xennet driver. Any idea what I would actually edit in
> the registry to re-enable just the qemu network card?

You need to uninstall the xennet driver - this should be doable from add/remove 
programs but I've never tried removing an individual driver before.

Once you do that, you need to undo the following that were set from the inf 

HKLM,"SYSTEM\CurrentControlSet\Services\XenPCI\Parameters", "hide_devices", 
0x00010008, "#vif#"
HKLM,"SYSTEM\CurrentControlSet\Services\XenPCI\Parameters", "hide_devices", 
0x00010008, "VEN_10EC&DEV_8139"
; tell Qemu to hide stuff
HKLM,"SYSTEM\CurrentControlSet\Services\XenPCI\Parameters", "qemu_hide_flags", 
0x00010008, 2

So go into HKLM\SYSTEM\CurrentControlSet\Services\XenPCI\Parameters and remove 
"#vif" and "VEN_10EC&DEV_8139" from the hide_devices key, and remove "2" from 
qemu_hide_flags. On the next boot, xenpci shouldn't hide the qemu network 

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