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: Confirmed => 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/1062440 Title: PandaBoard audio loud pops after playing sound over headphone jack Status in pulseaudio package in Ubuntu: Incomplete Bug description: On quantal images, most recently reproduced on panda armhf desktop omap4 image from 20121005 This is easily reproducible when using the headphone jack and any audio, even the sound test from sound settings easily reproduces the problem. Usually after a sound plays, but sometimes at the beginning of another one, there is a loud "pop" over the headphone jack. If I switch the audio output to hdmi, I do not have this problem. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: alsa-base 1.0.25+dfsg-0ubuntu2 ProcVersionSignature: Ubuntu 3.5.0-212.19-omap4 3.5.4 Uname: Linux 3.5.0-212-omap4 armv7l ApportVersion: 2.6.1-0ubuntu1 Architecture: armhf AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ubuntu 1692 F.... pulseaudio /dev/snd/controlC0: ubuntu 1692 F.... pulseaudio Date: Fri Oct 5 12:04:43 2012 EcryptfsInUse: Yes InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta armhf+omap4 (20121005) PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_Card: OMAPHDMI - OMAPHDMI Symptom_Type: No auto-mute between outputs Title: [PandaBoard - PandaBoard, playback] No automute UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1062440/+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