touch-packages team mailing list archive

[Seth Arnold <1315196@xxxxxxxxxxxxxxxxxx>]

Sorry Martin, I haven't noticed any patterns; I don't actually log in
all that often so there are not many opportunities for this specific way
for audio to fail. Perhaps one of the others who confirmed this bug has
noticed a pattern?

Thanks

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https://bugs.launchpad.net/bugs/1315196

Title:
  no dynamic ACLs on /dev/snd/*

Status in “systemd” package in Ubuntu:
  Incomplete

Bug description:
  My 14.04 LTS laptop no longer plays audio, where earlier releases
  played audio fine.

  A strace on alsamixer shows several failures:
  open("/dev/snd/controlC0", O_RDONLY|O_CLOEXEC) = -1 EACCES (Permission denied)
  open("/dev/aloadC0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)

  It appears the permissions on /dev/snd/controlC0 weren't properly updated after I logged in:
  $ getfacl /dev/snd/controlC0
  getfacl: Removing leading '/' from absolute path names
  # file: dev/snd/controlC0
  # owner: root
  # group: audio
  user::rw-
  user:lightdm:rw-
  group::rw-
  mask::rw-
  other::---

  Thanks

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sarnold    2895 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu May  1 16:20:58 2014
  HibernationDevice: RESUME=UUID=81b2976f-2830-4449-9dae-e1d44a43fa78
  InstallationDate: Installed on 2012-10-18 (560 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MachineType: LENOVO 2359CTO
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=7b8c2e1b-d2e6-47d9-9030-c078e9701a1d ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-12 (19 days ago)
  dmi.bios.date: 09/13/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G4ET62WW (2.04 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2359CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG4ET62WW(2.04):bd09/13/2012:svnLENOVO:pn2359CTO:pvrThinkPadT530:rvnLENOVO:rn2359CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2359CTO
  dmi.product.version: ThinkPad T530
  dmi.sys.vendor: LENOVO

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