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[Bug 1437096] Re: soundcard not recognised after upgrade


Unfortunately, I can find no additional information for my computer on
any of its stickers.

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  soundcard not recognised after upgrade

Status in linux package in Ubuntu:

Bug description:
  I have an HP Pavillion dv7 and Kubuntu 12.04. I performed update and upgrade of the system and linux-generic, linux-headers, linux-image, linux-libc-dev changed from to version. After that my soundcard is not recognized (obviously I get no sound). I can not find a way to reverse this upgrade.
   total 0
   crw-rw---T+ 1 root audio 116,  1 Mar 27 01:21 seq
   crw-rw---T+ 1 root audio 116, 33 Mar 27 01:21 timer
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices: aplay: device_list:252: no soundcards found...
  ApportVersion: 2.0.1-0ubuntu17.8
  Architecture: amd64
  ArecordDevices: arecord: device_list:252: no soundcards found...
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=ea5f3b76-01df-4289-bb10-26a79247053d
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  MachineType: Hewlett-Packard HP Pavilion dv7 Notebook PC
  MarkForUpload: True
  NonfreeKernelModules: fglrx
  Package: linux (not installed)
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-79-generic root=UUID=d35afbe1-2cd1-4220-9b46-fb9869746c7e ro acpi_backlight=vendor quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-79.115-generic 3.2.67
   linux-restricted-modules-3.2.0-79-generic N/A
   linux-backports-modules-3.2.0-79-generic  N/A
   linux-firmware                            1.79.18
  StagingDrivers: rts_pstor mei
  Tags:  precise staging
  Uname: Linux 3.2.0-79-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers
  dmi.bios.date: 10/03/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.02
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 1800
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 10.31
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.02:bd10/03/2011:svnHewlett-Packard:pnHPPaviliondv7NotebookPC:pvr0593110000204610000620100:rvnHewlett-Packard:rn1800:rvr10.31:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion dv7 Notebook PC
  dmi.product.version: 0593110000204610000620100
  dmi.sys.vendor: Hewlett-Packard

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