[Pkg-xen-devel] Several xen problems in Debian Etch

Richard W.M. Jones rjones at redhat.com
Tue Nov 27 15:05:42 UTC 2007


Henning Sprang wrote:
>>Ian Jackson wrote:
>> If you want to cleanly shut down a Windows guest without appropriate
>> PV drivers (which aren't generally Freely available I think) 

Red Hat are sponsoring the development of free PV drivers for Xen.  I 
cannot say when they'll be available at the moment.  The license cannot 
be GPL (because M$'s DDK license, which we link against, would forbid us 
to distribute the binaries), but will be a properly Free license, most 
likely BSD.

> There are, for example from SuSE (see a thread some while ago in this
> list, I never tested them... not sure if they apply to Windows or Linux
> HVM guests, or both) as GPL, and I heard, but not checked, that the same
> goes for Redhat.
> 
> Not sure if they are somehow/at all usable from a Debian dom0, but I
> don't see why not.
> 
> Then again, are you sure that using a PV disk/net IO driver (the primary
> purpose of those is to get better performance and circumvent the need
> for qemu emulation of some devices) in a HVM domU makes it possible to
> send the shutdown command to the guest?

Red Hat's PV drivers for Windows allow you to send a graceful shutdown 
command to the guest.  Novell's don't ...

Rich.

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