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. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1069055 Title: Sometimes sound disappear until reboot or logout/login Status in pulseaudio package in Ubuntu: Incomplete Bug description: 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1069055/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp