Public bug reported:

Binary package hint: pulseaudio

After a boot, everything works on the sound card for output.  I have the
mic turned on (in the sound preferences) but no application using it.  I
start Skype or sound recorder and the hardware sound card disappears.
That means that in the Sound preferences, there is no hardware listed at
all.  I have made various to "reload" the hardware but no success.  I am
trying random things gleened from online help.  A reboot will bring the
hardware back and output works fine.  It all started 1) after I loaded
cononical Skype and 2) after I turned the mic on in the preferences.  I
believe if I leave the mic off, then output works even in skype and the
hardware is not "lost".  Sorry, I wish I had more details to provide,
you folks are awesome!

I am just upgraded (a week ago) from 9.10 to 10.04.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14
ProcVersionSignature: Ubuntu 2.6.32-24.41-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: VT82xx [HDA VIA VT82xx], device 0: VT1708 Analog [VT1708 Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', 
'/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', 
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1p', '/dev/snd/seq', 
'/dev/snd/timer', '/dev/sequencer2', '/dev/sequencer'] failed with exit code 1:
Card0.Amixer.info:
 Card hw:0 'VT82xx'/'HDA VIA VT82xx at 0xfeafc000 irq 17'
   Mixer name   : 'VIA VT1708'
   Components   : 'HDA:11061708,10191708,00100500'
   Controls      : 27
   Simple ctrls  : 15
Date: Sun Aug 29 10:35:03 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SelectedCard: 0 VT82xx HDA-Intel - HDA VIA VT82xx
SourcePackage: pulseaudio
Symptom: audio
Title: [VIA VT1708] pactl stat failed to find default card
dmi.bios.date: 12/04/2006
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080013
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P4M900T-M
dmi.board.vendor: ECS
dmi.board.version: 1.0
dmi.chassis.asset.tag: 0123ABC
dmi.chassis.type: 3
dmi.chassis.vendor: ECS
dmi.chassis.version: 1.0
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr080013:bd12/04/2006:svnECS:pnP4M900T-M:pvr1.0:rvnECS:rnP4M900T-M:rvr1.0:cvnECS:ct3:cvr1.0:
dmi.product.name: P4M900T-M
dmi.product.version: 1.0
dmi.sys.vendor: ECS

** Affects: pulseaudio (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

-- 
[VIA VT1708] pactl stat failed to find default card
https://bugs.launchpad.net/bugs/626377
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