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[Bug 1532539] Re: No Sound HP Probook 440 G3 (Intel Skylake, Conexant Code)

 

The above collected logs are AFTER applying the workaround, so that you
can see the difference in dmesg with and without the workaround.

Finally I can confirm exactly the same behaviour with kernel 4.4-rc8 but
that installation does not exist anymore to post logs.

** Summary changed:

- No Sound HP Probook 440 G3 (Intel Skylake, Conexant Code)
+ No Sound HP Probook 440 G3 (Intel Skylake, Conexant CX20724)

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https://bugs.launchpad.net/bugs/1532539

Title:
  No Sound HP Probook 440 G3 (Intel Skylake, Conexant CX20724)

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  This is similar with #1525554 but for a different laptop model. As in
  #1525554 I have no sound at all, audio card is not detected (apart
  from HDMI interfaces).

  In this case it also works the workaround that was proposed at
  #1525554:

  * Execute alsa_setup.sh from http://www.stchman.com/alsa_update.html which creates a new "Dummy Output" that does not work
  * Run "sudo alsa force-reload" 3 times with ~15 sec
  * Tadam! Sound is working

  I will shortly post extra logs after the workaround.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  user       1327 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Sun Jan 10 13:57:52 2016
  InstallationDate: Installed on 2016-01-10 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Title: PCI/internal sound card not detected
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/18/2015
  dmi.bios.vendor: HP
  dmi.bios.version: N78 Ver. 01.06
  dmi.board.name: 8100
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 16.20
  dmi.chassis.asset.tag: 5CD5459DBN
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrN78Ver.01.06:bd12/18/2015:svnHP:pnHPProBook440G3:pvr:rvnHP:rn8100:rvrKBCVersion16.20:cvnHP:ct10:cvr:
  dmi.product.name: HP ProBook 440 G3
  dmi.sys.vendor: HP
  --- 
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  user       1328 F.... pulseaudio
  CurrentDesktop: GNOME
  DistroRelease: Ubuntu 15.10
  InstallationDate: Installed on 2016-01-10 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Package: alsa-driver (not installed)
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Tags:  wily
  Uname: Linux 4.2.0-23-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 12/18/2015
  dmi.bios.vendor: HP
  dmi.bios.version: N78 Ver. 01.06
  dmi.board.name: 8100
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 16.20
  dmi.chassis.asset.tag: 5CD5459DBN
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrN78Ver.01.06:bd12/18/2015:svnHP:pnHPProBook440G3:pvr:rvnHP:rn8100:rvrKBCVersion16.20:cvnHP:ct10:cvr:
  dmi.product.name: HP ProBook 440 G3
  dmi.sys.vendor: HP

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