Public bug reported: Sound works fine after restart, but then suddenly the speakers go silent. The headphone jack is still giving out sound, though. The problem never occurred before, I first noticed it only after a recent Linux kernel upgrade, so I suspect it may be related.
ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-44.73-generic 3.13.11-ckt12 Uname: Linux 3.13.0-44-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: josip 6622 F.... pulseaudio /dev/snd/controlC0: josip 6622 F.... pulseaudio /dev/snd/pcmC0D0p: josip 6622 F...m pulseaudio CurrentDesktop: Unity Date: Sun Jan 25 14:46:36 2015 InstallationDate: Installed on 2014-09-27 (119 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Speaker, Internal Symptom_Type: Sound works for a while, then breaks Title: [SATELLITE L750, Conexant CX20585, Speaker, Internal] fails after a while UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/24/2011 dmi.bios.vendor: INSYDE dmi.bios.version: 2.40 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Base Board Product Name dmi.board.vendor: Intel Corp. dmi.board.version: Base Board Version dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: OEM Chassis Manufacturer dmi.chassis.version: OEM Chassis Version dmi.modalias: dmi:bvnINSYDE:bvr2.40:bd08/24/2011:svnTOSHIBA:pnSATELLITEL750:pvrPSK30E-040006Y4:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion: dmi.product.name: SATELLITE L750 dmi.product.version: PSK30E-040006Y4 dmi.sys.vendor: TOSHIBA ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1414440 Title: [SATELLITE L750, Conexant CX20585, Speaker, Internal] speaker fails after a while; headphone jack still working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1414440/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs