[ovirt-users] how to debug no audio in guest?

[Jakub Niedermertl]

Hi,

it is not an expected behavior and filed a bug for that (https://bugzilla.redhat.com/show_bug.cgi?id=1371243). Please feel free to add any details.

Jakub

----- Original Message -----
> From: "Gianluca Cecchi" <gianluca.cecchi at gmail.com>
> To: "Jakub Niedermertl" <jniederm at redhat.com>
> Cc: "users" <users at ovirt.org>, "Michal Skrivanek" <michal.skrivanek at redhat.com>
> Sent: Friday, August 26, 2016 1:58:03 AM
> Subject: Re: [ovirt-users] how to debug no audio in guest?
> 
> On Fri, Aug 26, 2016 at 1:37 AM, Gianluca Cecchi <gianluca.cecchi at gmail.com>
> wrote:
> 
> > On Thu, Aug 25, 2016 at 5:17 PM, Jakub Niedermertl <jniederm at redhat.com>
> > wrote:
> >
> >> Hi Gianluca,
> >>
> >> QEMU_AUDIO_DRV=none is most probably the problem. Libvirt is supposed to
> >> set "QEMU_AUDIO_DRV" to "spice" for VMs with graphics. Please make sure
> >> that the "Optimize for" attribute is set to "Desktop" (in Edit VM dialog)
> >> and try to shutdown and start the VM again. If the QEMU process will still
> >> have QEMU_AUDIO_DRV=none set, you can try to set the variable in
> >> /etc/sysconfig/libvirtd by adding line "QEMU_AUDIO_DRV=spice" and restart
> >> the libvirtd service.
> >>
> >> Jakub
> >>
> >
> >
> [snip]
> 
> 
> >
> > Apparently all is the same in qemu-kvm command lines, comparing c6 with c7
> > one, but I don't understand who drives instead the QEMU_AUDIO_DRV=XXX in
> > log file that is different between the two guests (none vs spice) and btw
> > also in f24 it is spice:
> >
> 
> 
> [snip]
> 
> Understood!
> Actually CentOS 6 guest graphics protocol was configured as "SPICE + VNC"
> and this was the reason of "QEMU_AUDIO_DRV=none"
> Changing it to "SPICE", now I have "QEMU_AUDIO_DRV=spice" in guest logfile
> and also test speakers working inside guest.
> 
> Is this expected? I thought that the "+" would have given an aggregate of
> functionalities, not a limitation... because initialy I wanted to test both
> spice and vnc access...
> If this is the case, probably a note or tool-tip could be useful for the
> final user because it is not so immediate to correlate video with audio...
> 
> Gianluca
>