Comment 22 for bug 304649

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Arie Skliarouk (skliarie) wrote :

As I wrote here: https://bugs.launchpad.net/ubuntu/+source/kvm/+bug/393430
The PA is not working well from KVM:

I added "export QEMU_AUDIO_DRV=pa" to the /etc/default/libvirt-bin and looks like that the parameter is passed to the KVM, as the KVM does not use the /dev/snd/* directly. But then audio from KVM works for couple of seconds only (enough to hear the startup audio from windows, but not much more than that)! Also, in this case the KVM does not appear in list of the pulse-audio configuration applet (under Running applications).

If I use "export QEMU_AUDIO_DRV=alsa" in /etc/default/libvirt-bin, then KVM uses the /dev/snd/* devices and audio from the KVM works (with all the known limitations).