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** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1049001 Title: PCI/internal sound card not detected Status in alsa-driver package in Ubuntu: Incomplete Bug description: I use Thinkpad T420, onboard soundcard is work well with Ubuntu 12.04 64bit. But after upgrade to 12.04.1, have no sound device detected. I have just re-install 12.04.1 64bit (keep /home/myuser), the same problem with soundcard. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27 Uname: Linux 3.2.0-30-generic x86_64 AlsaDevices: total 0 drwxr-xr-x 2 root root 60 Sep 11 15:36 by-path crw-rw---T+ 1 root audio 116, 2 Sep 11 15:36 controlC29 crw-rw---T+ 1 root audio 116, 1 Sep 11 15:36 seq crw-rw---T+ 1 root audio 116, 33 Sep 11 15:36 timer AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: aplay: device_list:273: snd_ctl_pcm_next_device **** List of PLAYBACK Hardware Devices **** ApportVersion: 2.0.1-0ubuntu12 Architecture: amd64 ArecordDevices: arecord: device_list:273: snd_ctl_pcm_next_device **** List of CAPTURE Hardware Devices **** AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC29', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Card29.Amixer.info: Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown' Mixer name : 'ThinkPad EC (unknown)' Components : '' Controls : 1 Simple ctrls : 1 Card29.Amixer.values: Simple mixer control 'Console',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Tue Sep 11 15:58:00 2012 InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1) PackageArchitecture: all PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Title: PCI/internal sound card not detected UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/26/2012 dmi.bios.vendor: LENOVO dmi.bios.version: 83ET69WW (1.39 ) dmi.board.asset.tag: Not Available dmi.board.name: 41789RU dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr83ET69WW(1.39):bd03/26/2012:svnLENOVO:pn41789RU:pvrThinkPadT420:rvnLENOVO:rn41789RU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 41789RU dmi.product.version: ThinkPad T420 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1049001/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp