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[Raymond <1504175@xxxxxxxxxxxxxxxxxx>]

(In reply to flocculant from comment #0)
> Using Xubuntu 16.04.
> 
> pavucontrol              - 3.0-3build1
> pulseaudio               - 1:7.1-1ubuntu1
> pulseaudio-module-x11    - 1:7.1-1ubuntu1
> pulseaudio-utils         - 1:7.1-1ubuntu1 
> 
> Start up pavucontrol and the sound mutes momentarily - perhaps 1s or so
> 
> reported it externally - affects me with C-Media CMI8788 [Oxygen HD Audio]
> driver: snd_virtuoso
> 
> seen by someone else with Intel 5 Series/3400 Series High Definition Audio
> driver: snd_hda_intel
> 
> https://bugs.launchpad.net/ubuntu/+source/pavucontrol/+bug/1504175


Oct 08 15:30:39 hostname pulseaudio[1719]: [pulseaudio] alsa-mixer.c: Volume element Master has 8 channels. That's too much! I can't handle that!

Do you mean this patch does not work?

http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa?id=fcbbe34e001b9bee3e73a663e9bf9ddc11c0a1d5

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https://bugs.launchpad.net/bugs/1504175

Title:
  pavucontrol mutes channel on start

Status in PulseAudio:
  Incomplete
Status in pavucontrol package in Ubuntu:
  Confirmed

Bug description:
  With some media playing, start pavucontrol. Seen on hardware and
  virtual machine

  Sound mutes momentarily then restarts.

  Previous behaviour:

  No muting of playing sound when pavucontrol starts.


  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: pavucontrol 3.0-3build1
  ProcVersionSignature: Ubuntu 4.2.0-14.16-generic 4.2.2
  Uname: Linux 4.2.0-14-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19-0ubuntu1
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Thu Oct  8 15:51:43 2015
  InstallationDate: Installed on 2015-10-01 (6 days ago)
  InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20151001)
  SourcePackage: pavucontrol
  UpgradeStatus: No upgrade log present (probably fresh install)

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