[libvirt-users] Audio pass through
Andrew Cathrow
acathrow at redhat.com
Tue May 10 12:29:47 UTC 2011
----- Original Message -----
> From: "Mike Hall" <MHall at astc.nt.gov.au>
> To: libvirt-users at redhat.com
> Sent: Tuesday, May 10, 2011 12:45:05 AM
> Subject: [libvirt-users] Audio pass through
>
> I'm running a RHEL6 as a development desktop with Fedora 14
> (multimedia stuff) and Win XP (corporate email and calendars)
> running on it as KVM VMs. Everything runs great except for audio
> pass through.
>
If you use Fedora virt-preview[1], or Fedora 15 then you can use SPICE which handles bidirectional audio
[1] https://fedoraproject.org/wiki/Virtualization_Preview_Repository
> Audio works on the RHEL host. Both VMs see sound cards provided by
> the VM, but no sound is forthcoming.
> I have tried adding a PCI audio device from the physical host to the
> Fedora VM, but then it refuses to boot.
> I remember reading that physical hardware can only be passed through
> to VMs if it is not in use on the physical host.
>
> Any suggestions on how to get audio pass through happening?
> How can I get the host to "relinquish" the audio device so that a VM
> can use it?
>
> Thanks
>
>
> Michael Hall
> IT Communications Officer
> Alice Springs Town Council
> mhall at astc.nt.gov.au
> (08) 8950 0561
>
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