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** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1360739 Title: [USB-Audio, playback] Popping sound Status in alsa-driver package in Ubuntu: Incomplete Bug description: I'm using Alesis M1 Active 520USB speakers and the speakers randomly crack and pop, when playing music and videos. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4 Uname: Linux 3.13.0-34-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ben 3262 F.... pulseaudio /dev/snd/controlC2: ben 3262 F.... pulseaudio /dev/snd/controlC0: ben 3262 F.... pulseaudio /dev/snd/pcmC0D1c: ben 3262 F...m pulseaudio CurrentDesktop: Unity Date: Sun Aug 24 14:55:22 2014 InstallationDate: Installed on 2014-07-19 (36 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:CODEC failed Symptom_Card: PCM2900B Audio CODEC - USB Audio CODEC Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [USB-Audio - USB Audio CODEC, playback] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/01/2010 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F9 dmi.board.name: P55-USB3 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.:bvrF9:bd11/01/2010:svnGigabyteTechnologyCo.,Ltd.:pnP55-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP55-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: P55-USB3 dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1360739/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp