[Expired for pulseaudio (Ubuntu) because there has been no activity for
60 days.]
** Changed in: pulseaudio (Ubuntu)
Status: Incomplete => Expired
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[Expired for virt-manager (Ubuntu) because there has been no activity
for 60 days.]
** Changed in: virt-manager (Ubuntu)
Status: Incomplete => Expired
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[Expired for libvirt (Ubuntu) because there has been no activity for 60
days.]
** Changed in: libvirt (Ubuntu)
Status: Incomplete => Expired
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Thank you for reporting this bug to Ubuntu.
Ubuntu 13.10 (saucy) reached end-of-life on July 17, 2014.
See this document for currently supported Ubuntu releases:
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We appreciate that this bug may be old and you might not be interested
in discussing it any more.
This bug has been reported on the Ubuntu ISO testing tracker.
A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1246929
** Tags added: iso-testing
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Bugs, which is
Libvirt / Virt-Manager and host Alsa based sound
==
I have battled the same problem ... and managed to get it working on Trusty
(1) this is all down to AppArmor
(2) In order to run ALSA you will need the following apparmor entries,
preferably in
AC97 is emulated sound card not any pci passthrough
AFAIK, the emulated hda work in Ubuntu 11.10 but no longer work at later
versions
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https://bugs.launchpad.net/bugs/1246929
Title:
the emulated HDA works fine in Windows 7 VM using the above, with proviso that
I run VM as root, ie.
/etc/libvirt/qemu.conf includes (in my case, which works)
user = root
group = root
cgroup_device_acl = [
/dev/null, /dev/full, /dev/zero,
/dev/random, /dev/urandom,
/dev/ptmx,
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu)
Status: New = Confirmed
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Title:
APLAY
List of PLAYBACK Hardware Devices
card 0: SB [HDA ATI SB], device 0: ALC892 Analog [ALC892 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 3: ALC892 Digital [ALC892 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA
http://git.kernel.org/cgit/virt/kvm/qemu-kvm.git/log/audio/paaudio.c
seem paaudio no longer use simple pulseaudio api
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Title:
no audio in KVM
http://libvirt.org/git/?p=libvirt.git;a=commit;h=a216e6487255d3b65d97c7ec1fa5da63dbced902
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Title:
no audio in KVM virtual machines : cannot
To be clear, the qemu process is launched as my userid and
/proc/$$/environ shows QEMU_AUDIO_DRV=pa. The 'outout' file
in comment #41 shows the strace output which shows qemu
opening some pulse cookies and doing some dbus transactions,
presumably related to pulse.
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Quoting Raymond (1246...@bugs.launchpad.net):
http://libvirt.org/git/?p=libvirt.git;a=commit;h=a216e6487255d3b65d97c7ec1fa5da63dbced902
We're not running with -nographic though.
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** Changed in: libvirt (Ubuntu)
Status: Incomplete = Confirmed
** Changed in: virt-manager (Ubuntu)
Status: Incomplete = Confirmed
** Changed in: pulseaudio (Ubuntu)
Status: Incomplete = New
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At this point I don't know where the problem lies. When I follow
https://wiki.ubuntu.com/PulseAudio/Log
I don't see any attemps to connect by qemu. (Should I?)
I've disabled seccomp (which I think is disabled by default), allowed
all capabilities in the apparmor profile, and checked that
@Brian,
if possible, could you please follow the steps in comment #40 and also
comment out 'deny capability kill' in /etc/apparmor.d/abstractions
/libvirt-qemu, restart libvirt (sudo stop libvirt-bin; sudo start
libvirt-bin) or reboot, and see if that works for you?
It is possible that my
Serge
I made the changes in comment #40 and the extra change in comment #42
but after reboot when I started Virt-Manager I immediately got a dialog
box stating:
Unable to connect to libvirt.
Verify that:
- The 'libvirt-bin' package is installed
- The 'libvirtd' daemon has been started
- You
are there any way to select alsa as backend ?
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/plain/Documentation/sound/alsa
/HD-Audio.txt
card 0: SB [HDA ATI SB], device 2: ALC892 Alt Analog [ALC892 Alt Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
for a desktop , you can
Quoting Raymond (1246...@bugs.launchpad.net):
are there any way to select alsa as backend ?
Using 'export QEMU_AUDIO_DRV=alsa' in /etc/init/libvirt-bin should
switch from pulse to alsa. Still no sound though when I do that.
(Sorry if I misunderstood the question)
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@Brian,
Well shoot, I can't think what would have caused that. There may be
useful info in /var/log/upstart/libvirt-bin.log or
/var/log/libvirt/libvirtd.log.
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any status on this bug? The last note was 11-13-2013 by Serge
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Title:
no audio in KVM virtual machines : cannot select alsa or pa
To manage
I do see the QEMU_AUDIO_DRV=none in env variable
this mean kvm is using noaudio in backend
dolog (Run with -audio-help to list available drivers\n);
did you see any avaiable drivers when you use -audio-help ?
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Hi Brian,
so the first steps in fixing this are as follows:
1. in /etc/libvirt/qemu.conf add the lines
vnc_allow_host_audio = 1
user=bmullan
group=bmullan
2. in /etc/init/libvirt-bin.conf, add the line
export QEMU_AUDIO_DRV=pa
right before the final exec, so 'script' block at the bottom
I suspect we can remove pulseaudio from the list of affected packages,
but I'm not 100% certain. It comes down to why the libvirt-qemu user is
not allowed to use pulseaudio devices, and where the cofniguration needs
to be chagned to allow it.
** Changed in: libvirt (Ubuntu)
Importance:
but pulseaudio backend allow you to change the address of pulseaudio
server
does this mean that you can send the audio to the remote pa sink and
souce even your machine run kvm don't have any real sound card ?
pa-s = pa_simple_new (
conf.server,
qemu,
PA_STREAM_PLAYBACK,
for always, you can also specify DAC_DEV and ADC_DEV for different sound
cards on your real machine or device null if you have more than one vm
do you mean both alsa or pulseaudio backend were not build in Ubuntu kvm
package ?
static struct audio_option alsa_options[] = {
{
.name
do you mean both alsa or pulseaudio backend were not build in Ubuntu
kvm package ?
Both are built-in. the driver list is pa,alsa,dsl,oss (in order).
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** Summary changed:
- alsa bug in KVM virtual machines
+ no audio in KVM virtual machines : cannot select alsa or pa
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Title:
no audio in KVM
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