[2781, Nvidia MCP77/78 HDMI, Digital Out, HDMI] No sound at all

[mugen]

No sound on opening & hitting play button in rhythmbox music player.Then displays system crash msg.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic-pae 3.2.6
Uname: Linux 3.2.0-17-generic-pae i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ashish 1656 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf4500000 irq 47'
   Mixer name : 'Conexant CX20561 (Hermosa)'
   Components : 'HDA:10de0003,10de0101,00100000 HDA:14f15051,17aa3c2f,00100000'
   Controls : 20
   Simple ctrls : 9
Date: Sat Mar 17 03:53:19 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120301)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_IN:en
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful
Symptom_Card: Built-in Audio - HDA Intel
Symptom_Jack: Digital Out, HDMI
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: No sound at all
Title: [2781, Nvidia MCP77/78 HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/17/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 0BCN60WW(V3.16)
dmi.board.name: JITR1
dmi.board.vendor: LENOVO
dmi.board.version: REFERENCE
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnLENOVO:bvr0BCN60WW(V3.16):bd07/17/2009:svnLENOVO:pn2781:pvrIdeaPadY430:rvnLENOVO:rnJITR1:rvrREFERENCE:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.name: 2781
dmi.product.version: IdeaPad Y430
dmi.sys.vendor: LENOVO

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]