Re: [Xen-users] Windows 8 HVM audio

["Brennecke, Simon" <simon.brennecke@xxxxxxx>]

-----Original Message-----
From: Ian Campbell [mailto:Ian.Campbell@xxxxxxxxxx] 
Sent: Dienstag, 25. MÃrz 2014 11:15
To: Brennecke, Simon
Cc: Xen-users@xxxxxxxxxxxxx
Subject: Re: [Xen-users] Windows 8 HVM audio

It's not known to me, but I haven't paid especially close attention to
audio related issues.

Before going any further I'd recommend making sure that you are using a
new enough version of Xen to be using the modern "qemu-xen" device model
rather than the older "qemu-xen-traditional" fork. IIRC qemu-xen was
available as a tech preview in 4.2 and became the default for
non-stubdom configurations in 4.3 onwards (sadly stubdoms are not yet
supported for qemu-xen).

Depending on your specific use case you could also consider using pci
passthrough to give the real device to the VM, or perhaps SPICE
(available with qemu-xen I think) provides a better audio experience (I
don't know much about SPICE, I think it does audio forwarding too
though, not sure if Win8 drivers exist though).

Ian.
----------------------------------------

Hi Ian,

Thanks for your reply.
It is a xen-4.3.3-pre using /usr/lib/xen/bin/qemu-system-i386 for the win8 hvm.
I checked out xen-4.3-stable and did a rebuild from scratch.
I cannot pass the physical soundcard through because other domains also need 
access.
This SPICE thing however looks promising. I will try this next.

Thanks &Regards
Simon
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