Public bug reported: Looks a bit like #1016825 but I have different logging I think. Pulseaudio has worked better for me for the past few weeks, had it occuring, but as it starts straight after a reboot, I just rebooted again, and then the problem didn't appear. But no after 2 reboots it stays.
ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: berend 3351 F.... pulseaudio /dev/snd/pcmC0D0p: berend 3351 F...m pulseaudio CurrentDesktop: Unity Date: Fri Apr 25 20:29:15 2014 EcryptfsInUse: Yes InstallationDate: Installed on 2014-04-01 (24 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel Symptom_Jack: Green Headphone Out, Front Symptom_Type: Sound works for a while, then breaks Title: [2757CTO, Conexant CX20561 (Hermosa), Green Headphone Out, Front] fails after a while UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/27/2008 dmi.bios.vendor: LENOVO dmi.bios.version: 7ZET71WW (1.54 ) dmi.board.name: 2757CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr7ZET71WW(1.54):bd11/27/2008:svnLENOVO:pn2757CTO:pvrThinkPadW700:rvnLENOVO:rn2757CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2757CTO dmi.product.version: ThinkPad W700 dmi.sys.vendor: LENOVO ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug third-party-packages trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1312596 Title: Audio plays for a while, then gets stuck in a loop, repeating over and over and over and over To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1312596/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs