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List:       debian-user
Subject:    Re: audio support in libvirt with qemu/kvm
From:       Rainer Dorsch <ml () bokomoko ! de>
Date:       2021-01-25 11:44:41
Message-ID: 3178848.3930qDIi0r () h370
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Am Sonntag, 24. Januar 2021, 23:04:54 CET schrieb Linux-Fan:
> Rainer Dorsch writes:
> > Hi,
> > 
> > I created a virtual machine using libvirt with qemu/kvm. To make it
> > simple, I installed a Debian 10 guest on a Debian 10 host. I am
> > wondering, if it is possible to access (pulse-)audio from the guest.
> > 
> > Any hint or advice is welcome.
> 
> For me it works out of the box in the way that I can hear sound played
> inside the VM and the VM can record from the microphone attached to the PC.
> 
> In virt-manager it appears as "Sound ich9" device added to the respective
> VMs. Host and guest both use Pulseaudio. In case you do not use GUI, it
> might be enough to add the following device in the VM's XML:
> 
>     <sound model='ich9'>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x1b'
> function='0x0'/> </sound>
> 
> I do not know if it can be made to work in a way that just a single pulse
> audio server is running -- in my configuration, the guest and host both have
> their respective pulse audio instances although the sound itself passes
> from the one to the other wihtout explicit configuration :)
> 

Thanks for the quick reply. I tried again and it seems sound works now :-) 

I also used virt-manager, but I did not find any sound devices in there. Are 
you using Debian 10? virt-manager from stable or stable-backports? Where do 
you see the "Sound ich9" device?

Thanks
Rainer
-- 
Rainer Dorsch
http://bokomoko.de/


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