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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1457369 ***
    https://bugs.launchpad.net/bugs/1457369

This looks like a duplicate of bug 1457369

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** This bug has been marked a duplicate of bug 1457369
   kernel 3.19.0-18 breaks HDMI audio for snd_hda_intel

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https://bugs.launchpad.net/bugs/1460146

Title:
  Problems with audio HDMI in new kernel release

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Hello Everyone,

  I am reporting that with kernel 3.19.0-18-generic 3.19.0-18-generic
  the hdmi audio does not work, with the previous kernel version
  3.19.0-16-generic audio works, actually  with all previous versions
  the audio works without problem.

  I am reporting this because I would not like this bug will be spread
  to other kernel versions.

  As you can see when I execute lsmod |grep snd the hdmi module is not
  loaded.

  $ lsmod |grep snd
  snd_hda_codec_conexant    24576  1 
  snd_hda_codec_generic    69632  1 snd_hda_codec_conexant
  snd_hda_intel          32768  3 
  snd_hda_controller     32768  1 snd_hda_intel
  snd_hda_codec         143360  4 snd_hda_codec_conexant,snd_hda_codec_generic,sn_hda_intel,snd_hda_controller
  snd_hwdep              20480  1 snd_hda_codec
  snd_pcm               106496  3 snd_hda_codec,snd_hda_intel,snd_hda_controller
  snd_seq_midi           16384  0 
  snd_seq_midi_event     16384  1 snd_seq_midi
  snd_rawmidi            32768  1 snd_seq_midi
  snd_seq                69632  2 snd_seq_midi_event,snd_seq_midi
  snd_seq_device         16384  3 snd_seq,snd_rawmidi,snd_seq_midi
  snd_timer              32768  2 snd_pcm,snd_seq
  snd                    90112  17 snd_hwdep,snd_timer,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device
  soundcore              16384  2 snd,snd_hda_codec

  When I tried to load the snd_hda_codec_hdmi it is loaded but the audio
  does not work. Whith precious kernel versions I have not load any
  module. Thanks for your attention.

  $ cat /proc/version_signature 
  Ubuntu 3.19.0-18.18-generic 3.19.6

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-18-generic 3.19.0-18.18
  ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
  Uname: Linux 3.19.0-18-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  robalrr    1803 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri May 29 12:11:34 2015
  HibernationDevice: RESUME=UUID=309fa850-dd60-4067-bb77-8b7dc8860739
  InstallationDate: Installed on 2015-04-08 (50 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
  MachineType: LENOVO 20C50050US
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic root=UUID=f60643d7-119f-4dd7-8480-69a77f65cb8d ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-18-generic N/A
   linux-backports-modules-3.19.0-18-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/14/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: J9ET96WW (2.16 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20C50050US
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98401 PRO
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrJ9ET96WW(2.16):bd10/14/2014:svnLENOVO:pn20C50050US:pvrThinkPadEdgeE440:rvnLENOVO:rn20C50050US:rvr0B98401PRO:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20C50050US
  dmi.product.version: ThinkPad Edge E440
  dmi.sys.vendor: LENOVO

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