Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: alsa-driver (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1181828

Title:
  macbook air 2,1 no sound

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  Hello,

  I installed Ubuntu raring 13.04 on a Macbook Air 2,1 and I have no
  sound. The card is recognized by alsamixer and pulseaudio. I put the
  volume to the maximum, put all the mixer unmute in alsamixer, no sound
  at all.

  Thanks for your help.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-21.32-generic 3.8.8
  Uname: Linux 3.8.0-21-generic x86_64
  NonfreeKernelModules: wl nvidia
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  rom1       1493 F.... pulseaudio
  CurrentDmesg: [    8.408776] NVRM: GPU at 0000:02:00: 
GPU-e1116370-0337-a0c6-6dce-80e73ebd884a
  Date: Sun May 19 20:29:36 2013
  InstallationDate: Installed on 2013-05-19 (0 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/14/08
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA21.88Z.0075.B03.0811141325
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-F42D88C8
  dmi.board.vendor: Apple Inc.
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F42D88C8
  dmi.modalias: 
dmi:bvnAppleInc.:bvrMBA21.88Z.0075.B03.0811141325:bd11/14/08:svnAppleInc.:pnMacBookAir2,1:pvr1.0:rvnAppleInc.:rnMac-F42D88C8:rvr:cvnAppleInc.:ct10:cvrMac-F42D88C8:
  dmi.product.name: MacBookAir2,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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