Public bug reported:

Binary package hint: pulseaudio

I think this usb audio device ( Sony VirtualPhones) used to work in past 
versions of Ubuntu (not sure which).
Now it appears in some places and not others which I check and fails to provide 
audio.
Yes, the device is powered on and the headphones too; the volume is turned up ( 
I can hear noise at
peak levels).
I think all the details are provided by ubuntu-bug, but let me know if you need 
more info.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu21
ProcVersionSignature: Ubuntu 2.6.35-22.34-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 2: CX8801 [Conexant CX8801], device 0: CX88 Digital [CX88 Digital]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-id', 
'/dev/snd/controlC0', '/dev/snd/pcmC0D0p', '/dev/snd/controlC3', 
'/dev/snd/hwC3D0', '/dev/snd/hwC3D1', '/dev/snd/hwC3D2', '/dev/snd/hwC3D3', 
'/dev/snd/pcmC3D3p', '/dev/snd/pcmC3D7p', '/dev/snd/pcmC3D8p', 
'/dev/snd/pcmC3D9p', '/dev/snd/controlC2', '/dev/snd/pcmC2D0c', 
'/dev/snd/by-path', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info:
 Card hw:0 'default'/'C-Media INC. C-Media USB Audio        at 
usb-0000:00:1d.7-5.3, full speed'
   Mixer name   : 'USB Mixer'
   Components   : 'USB0d8c:0002'
   Controls      : 2
   Simple ctrls  : 1
Card2.Amixer.info:
 Card hw:2 'CX8801'/'Conexant CX8801 at 0xf8000000'
   Mixer name   : 'CX88'
   Components   : ''
   Controls      : 3
   Simple ctrls  : 2
Card3.Amixer.info:
 Card hw:3 'NVidia'/'HDA NVidia at 0xf6dfc000 irq 34'
   Mixer name   : 'Nvidia GT240 HDMI'
   Components   : 'HDA:10de000d,10de0101,00100100'
   Controls      : 16
   Simple ctrls  : 4
Date: Sun Oct 17 06:18:33 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate amd64 
(20100928.1)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SelectedCard: 0 default USB-Audio - C-Media USB Audio
SourcePackage: pulseaudio
Symptom: audio
Title: [USB-Audio - C-Media USB Audio       ] pactl stat failed to find default 
card
dmi.bios.date: 05/19/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0603
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P6T
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0603:bd05/19/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6T:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: amd64 apport-bug maverick

-- 
[USB-Audio - C-Media USB Audio       ] pactl stat failed to find default card
https://bugs.launchpad.net/bugs/662156
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