Please try workaround on this bug, and if it helps, please let mark this bug as a duplicate: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1321421
** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1330546 Title: [ASRock Z97 Extreme4, Realtek ALC1150, Green Line Out, Rear] scratchy garbled audio playback Status in “alsa-driver” package in Ubuntu: Incomplete Bug description: Playback is incomprehensible with this setup. ASRock Z97 Extreme4 onboard sound 3.5mm analog jack connected to a stereo amplifier (not 5.1) HDMI/DisplayPort Audio disconnected lsb_release -rd Description: Ubuntu 14.04 LTS Release: 14.04 The kernel is loading snd_hda_intel $ uname -a Linux denali 3.13.0-29-generic #53-Ubuntu SMP Wed Jun 4 21:00:20 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux I tried both settings for position fix quirking, neither helped. I also tried turning off pulseaudio tsched, but that just made the garble "slower". ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2 Uname: Linux 3.13.0-29-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 CurrentDesktop: KDE Date: Mon Jun 16 12:28:57 2014 EcryptfsInUse: Yes InstallationDate: Installed on 2014-06-16 (0 days ago) InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel Symptom_Jack: Blue Line In, Rear Symptom_Type: Volume slider, or mixer problems Title: [To Be Filled By O.E.M., Realtek ALC1150, Blue Line In, Rear] volume slider problem UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/23/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.30 dmi.board.name: Z97 Extreme4 dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd05/23/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ97Extreme4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. modified.conffile..etc.modprobe.d.alsa.base.conf: [modified] mtime.conffile..etc.modprobe.d.alsa.base.conf: 2014-06-16T12:22:09.706201 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1330546/+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