[HDA-Intel - HDA Intel PCH, playback] sound not working for all users

[WhittneyM]

Speakers work when running system tests from the Sound application. But video has no play back sound. Volume on speakers and on system top bar is at max during testing.
Ubuntu 11.04 - new install
Program: Firefox 4.01
Watching streaming video: video works fine but no sound

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: whittney 1441 F.... pulseaudio
 /dev/snd/pcmC0D0p: whittney 1441 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xfbff8000 irq 47'
   Mixer name : 'Realtek ALC889'
   Components : 'HDA:10ec0889,1458a022,00100004'
   Controls : 41
   Simple ctrls : 23
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xf9ffc000 irq 17'
   Mixer name : 'Nvidia GPU 11 HDMI/DP'
   Components : 'HDA:10de0011,10de0101,00100100'
   Controls : 16
   Simple ctrls : 4
Date: Tue May 3 13:25:57 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AudioUsers: pulse
Symptom_Card: Internal Audio - HDA Intel PCH
Symptom_DevicesInUse: 1441 1441
Symptom_Jack: Green Line Out, Rear
Symptom_Type: Sound works for some users but not for others
Title: [HDA-Intel - HDA Intel PCH, playback] sound not working for all users
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/22/2011
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F2
dmi.board.name: P67A-UD3-B3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd02/22/2011:svnGigabyteTechnologyCo.,Ltd.:pnP67A-UD3-B3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP67A-UD3-B3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: P67A-UD3-B3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

[WhittneyM (whittney)]

Bug report in error. Problem solved.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]