Sometimes sound disappear until reboot or logout/login

[Nicholas Shatokhin]

Sometimes I don't see sound in system and apps. So, I need to logout from Unity and then login again.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: pulseaudio 1:2.1-0ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu3
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: robotex 3686 F.... pulseaudio
Date: Sat Oct 20 14:51:47 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to quantal on 2012-10-18 (1 days ago)
dmi.bios.date: 08/29/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: COLSSF10
dmi.board.name: COLUMBIA
dmi.board.vendor: LG Electronics
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LG Electronics
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrCOLSSF10:bd08/29/2007:svnLGElectronics:pnR500-U.CP21R1:pvrNotApplicable:rvnLGElectronics:rnCOLUMBIA:rvrNotApplicable:cvnLGElectronics:ct10:cvrN/A:
dmi.product.name: R500-U.CP21R1
dmi.product.version: Not Applicable
dmi.sys.vendor: LG Electronics

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 12.10 (quantal) reached end-of-life on May 16, 2014.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test.

[Launchpad Janitor (janitor)]

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