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[Peter Curtis <1245226@xxxxxxxxxxxxxxxxxx>]

This should still be reopened as it occurs for me on a Chillblast
Defiant (Haswell/Optimus Architecture, Core i7 Processor and nVidia GTX
765M graphics) with Mint 17  running kernel 3.13.0-24 and I have also
tried the ubuntu mainline 3.14.4 kernel. In both cases HDMI sound is
about 20% fast whilst switching to normal audio output immediately slows
it down. Switching graphics processor makes no difference. Kernel
3.10.33 works fine as did 3.8.0 in Mint 15. We definitely have a
regression here somewhere between 3.10.33 and 3.13.0

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https://bugs.launchpad.net/bugs/1245226

Title:
  HDMI: audio-video playback too fast

Status in “linux” package in Ubuntu:
  Invalid

Bug description:
  After upgrading to Ubuntu 13.10, selecting HDMI as audio output device
  is broken. Audio is played back at high speed. When playing back video
  clips, the video frames are also too fast. Note that, when selecting
  headphone as audio output device, everything works.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: gnome-control-center 1:3.6.3-0ubuntu44
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Sun Oct 27 18:00:53 2013
  ExecutablePath: /usr/bin/gnome-control-center
  InstallationDate: Installed on 2010-11-07 (1085 days ago)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MarkForUpload: True
  SourcePackage: gnome-control-center
  UpgradeStatus: Upgraded to saucy on 2013-10-22 (5 days ago)
  usr_lib_gnome-control-center:
   activity-log-manager          0.9.7-0ubuntu4
   deja-dup                      27.3.1-0ubuntu1
   gnome-control-center-datetime 13.10.0+13.10.20131016.2-0ubuntu1
   gnome-control-center-signon   0.1.7~+13.10.20130724.1-0ubuntu1
   gnome-control-center-unity    1.3+13.10.20131004-0ubuntu1
  --- 
  ApportVersion: 2.12.6-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     2831 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     2831 F.... pulseaudio
   /dev/snd/pcmC0D0c:   ubuntu     2831 F...m pulseaudio
  CasperVersion: 1.336ubuntu1
  CurrentDmesg:
   [   60.513505] systemd-hostnamed[5239]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
   [   63.157819] EXT4-fs (sda7): mounted filesystem with ordered data mode. Opts: (null)
  DistroRelease: Ubuntu 14.04
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131103)
  MachineType: MSI MS-7623
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  ProcVersionSignature: Ubuntu 3.12.0-1.3-generic 3.12.0-rc7
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-1-generic N/A
   linux-backports-modules-3.12.0-1-generic  N/A
   linux-firmware                            1.117
  RfKill:
   
  Tags:  trusty
  Uname: Linux 3.12.0-1-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 08/10/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V11.5
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 880GM-E41 (MS-7623)
  dmi.board.vendor: MSI
  dmi.board.version: 2.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 2.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV11.5:bd08/10/2010:svnMSI:pnMS-7623:pvr2.0:rvnMSI:rn880GM-E41(MS-7623):rvr2.0:cvnMSI:ct3:cvr2.0:
  dmi.product.name: MS-7623
  dmi.product.version: 2.0
  dmi.sys.vendor: MSI

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