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[David Plentovich <david@xxxxxxxxxxxxxxxxxxxx>]

I encountered the same problem on a TECRA A8 laptop when installing
Ubuntu 64bit desktop 14.04.2.  In dmesg the HW audio codec is never
identified (as shown above).  I then installed Ubuntu 64bit desktop
14.04.1 and the audio works as expected (dmesg shows HW codec as
ALC262).  I have attached the dmesg listings, just after boot, for both
images for your review.

[   11.783883] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002)
[   11.784055] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
[   11.960071] hda_codec: ALC262: SKU not ready 0x90f701f0
[   11.960314] autoconfig: line_outs=1 (0x1b/0x0/0x0/0x0/0x0) type:line
[   11.960317]    speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
[   11.960319]    hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
[   11.960320]    mono: mono_out=0x0
[   11.960322]    inputs:
[   11.960324]      Mic=0x18
[   11.960326]      Line=0x1a
[   11.960328] realtek: No valid SSID, checking pincfg 0x90f701f0 for NID 0x1d
[   11.960330] realtek: Enable default setup for auto mode as fallback
[   12.060380] input: HDA Intel Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[   12.060535] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10


** Attachment added: "dmesg for 14.04.2 (no audio) and 14.04.1 (audio works)"
   https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1432216/+attachment/4413933/+files/tecra_a8_audio_issue_14042.txt

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https://bugs.launchpad.net/bugs/1432216

Title:
  PCI/internal sound card not detected

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  I freshly installed ubuntu 14.10 on a toshiba tecra a8 pta83
  the sound is not working although it's still functional on the windows partition.
  Maybe the soundcard isn't recognised.
  thank you for your help

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
  Uname: Linux 3.16.0-24-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.2
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDesktop: Unity
  Date: Sat Mar 14 19:17:44 2015
  InstallationDate: Installed on 2014-11-11 (123 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  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: 03/12/2007
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: Version 3.40
  dmi.board.name: Portable PC
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Version A0
  dmi.chassis.asset.tag: 0000000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: Version 1.0
  dmi.modalias: dmi:bvnTOSHIBA:bvrVersion3.40:bd03/12/2007:svnTOSHIBA:pnTECRAA8:pvrPTA83E-04L023AR:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
  dmi.product.name: TECRA A8
  dmi.product.version: PTA83E-04L023AR
  dmi.sys.vendor: TOSHIBA

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