For anyone looking here, it appears that this is probably a dupe of bug 875642. That bug has a some information about fixing/working around the issue.
-- 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/1034767 Title: [ThinkPad E420, Conexant CX20590, Speaker, Internal] No sound at all Status in “alsa-driver” package in Ubuntu: Confirmed Bug description: No output from internal speakers, output is fine on headphones. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-27.43-generic-pae 3.2.21 Uname: Linux 3.2.0-27-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu12 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pankaj 2334 F.... pulseaudio /dev/snd/pcmC0D0p: pankaj 2334 F...m pulseaudio Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xd2600000 irq 44' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:14f1506e,17aa21e2,00100002 HDA:80862805,80860101,00100000' Controls : 15 Simple ctrls : 7 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: Thu Aug 9 12:37:51 2012 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) PackageArchitecture: all ProcEnviron: LANGUAGE=en_IN:en TERM=xterm PATH=(custom, user) LANG=en_IN SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_DevicesInUse: 2334 2334 pankaj F.... pulseaudio /dev/snd/pcmC0D0p: pankaj F...m pulseaudio Symptom_Jack: Speaker, Internal Symptom_Type: No sound at all Title: [11412RQ, Conexant CX20590, Speaker, Internal] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/03/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8HET40WW(1.22) dmi.board.asset.tag: Not Available dmi.board.name: 11412RQ 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:bvr8HET40WW(1.22):bd11/03/2011:svnLENOVO:pn11412RQ:pvrThinkPadE420:rvnLENOVO:rn11412RQ:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 11412RQ dmi.product.version: ThinkPad E420 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1034767/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
