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 NVidia], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE 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 2: ALC892 Alt Analog [ALC892 Alt Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: C615 [HD Webcam C615], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/saucy/qemu-kvm/saucy/view/head:/audio/alsaaudio.c

   .pcm_name_out = "default",
    .pcm_name_in = "default",

pcm.default has been override to use pulse plugin in ubuntu

if your pulseaudio is using hdmi and usb webcam for playack and capture


export DAC_DEV=hw:0,0
export ADC_DEV=hw:0,0 

or

if your pulseaudio is using onboard analog for playback and capture


hdmi playback

export DAC_DEV=hdmi:2,DEV=1

alt analog playback ( specify hint  indep_hp=1 in early patching and
switch independent headphone control to "enable"

export DAC_DEV=hw:0,2


alt analog capture

export ADC_DEV=hw:0,2

webcam

export ADC_DEV=hw:1,0

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1246929

Title:
  no audio in KVM virtual machines : cannot select alsa or pa

Status in “libvirt” package in Ubuntu:
  Confirmed
Status in “pulseaudio” package in Ubuntu:
  New
Status in “virt-manager” package in Ubuntu:
  Confirmed

Bug description:
  I am on Ubuntu 13.10 desktop
  16GB ram
  asus sabertooth 990fx r2.0 motherboard
  amd 8346 cpu
  nvidia gtx650 video card

  Since upgrading to Ubuntu 13.10 audio no longer works in KVM.
  Checking SYSLOG I found this error being logged:

  Oct 31 15:32:31 bmullan-virtual-machine pulseaudio[1814]: [alsa-source-ID 21 
Analog] alsa-source.c: ALSA woke us up to read new data from the device, but 
there was actually nothing to read!
  Oct 31 15:32:31 bmullan-virtual-machine pulseaudio[1814]: [alsa-source-ID 21 
Analog] alsa-source.c: Most likely this is a bug in the ALSA driver 
'snd_hda_intel'. Please report this issue to the ALSA developers.
  Oct 31 15:32:31 bmullan-virtual-machine pulseaudio[1814]: [alsa-source-ID 21 
Analog] alsa-source.c: We were woken up with POLLIN set -- however a subsequent 
snd_pcm_avail() returned 0 or another value < min_avail.

  brian

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.11.0-11.17-generic 3.11.3
  Uname: Linux 3.11.0-11-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Thu Oct 31 19:45:53 2013
  InstallationDate: Installed on 2013-10-31 (0 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20131003)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Title: PCI/internal sound card not detected
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/09/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1708
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: SABERTOOTH 990FX R2.0
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1708:bd04/09/2013:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKCOMPUTERINC.:rnSABERTOOTH990FXR2.0:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To be filled by O.E.M.
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: To be filled by O.E.M.

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