From Fedora Project Wiki
Setup:
a healthy guest, which is in shutoff
Actions:
1. dump guest's xml
# virsh dumpxml toy > toy.xml
2. insert following xml into node "<device>"
<souce model="ac97"/>
3. undefine & define
# virsh undefine toy
# virsh define toy.xml
4. start guest, and login into it to do check like following:
1>. # lspci | grep -i ac
5. download a multi-media file, install mplayer or such other multi-media player to play the file we downloaded to see if there is sound.
6. loop upper steps with:
1>. <sound model="es1370"/>
2>. <sound model="pcspk"/>
3>. <sound model="sb16"/>
Expected Results:
Step 4:
will get output like:
00:05.0 Multimedia audio controller: Intel Corporation 82801AA AC'97 Audio Controller (rev 01)
Step 5:
will get sound.