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/1071202 Title: [M1110M, Realtek ALC272, Speaker, Internal] Underruns, dropouts or crackling sound Status in pulseaudio package in Ubuntu: Incomplete Bug description: I have a fresh install and the audio suffers from occasional buffer underruns while playing music from Rhythmbox or playing a YouTube video using Firefox. 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 ApportVersion: 2.6.1-0ubuntu6 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: tradcathjun 2194 F.... pulseaudio Date: Thu Oct 25 16:52:00 2012 EcryptfsInUse: Yes InstallationDate: Installed on 2012-10-25 (0 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2) MarkForUpload: True SourcePackage: pulseaudio Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful Symptom_Card: Built-in Audio - HDA Intel Symptom_Jack: Speaker, Internal Symptom_PulsePlaybackTest: PulseAudio playback test failed Symptom_SpeakerTestPulseStderr: W r i t e e r r o r : - 3 2 , B r o k e n p i p e Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [M1110M, Realtek ALC272, Speaker, Internal] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/15/2011 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: 6.00 dmi.board.name: M1110M dmi.board.vendor: CLEVO CO. dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd08/15/2011:svnCLEVOCO.:pnM1110M:pvrNotApplicable:rvnCLEVOCO.:rnM1110M:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A: dmi.product.name: M1110M dmi.product.version: Not Applicable dmi.sys.vendor: CLEVO CO. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1071202/+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