Public bug reported:

After changing the sound volume from min to max the system stops to reproduce 
any sound.
I tried to restard pulseaudio, reboot the system but nothing is changing.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.8.0-36.52~precise1-generic 3.8.13.14
Uname: Linux 3.8.0-36-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.8.0-36-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: NVidia [HDA NVidia], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  daniella   5456 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xf9f78000 irq 22'
   Mixer name   : 'Nvidia MCP79/7A HDMI'
   Components   : 'HDA:10ec0662,10438376,00100101 
HDA:10de0007,10de0101,00100100'
   Controls      : 30
   Simple ctrls  : 10
CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order 
/var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission 
denied
Date: Fri Mar 14 22:38:35 2014
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 
(20130820.1)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia failed
Symptom_Card: Built-in Audio - HDA NVidia
Symptom_DevicesInUse:
 5456  daniella  F.... pulseaudio
     PID ACCESS COMMAND
Symptom_Jack: SPDIF Out, Internal
Symptom_Type: No sound at all
Title: [EB1501, Realtek ALC662 rev1, SPDIF Out, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/25/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0904
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: EB1501
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.XXG
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0904:bd02/25/2010:svnASUSTeKComputerINC.:pnEB1501:pvr1.XX:rvnASUSTeKComputerINC.:rnEB1501:rvr1.XXG:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: EB1501
dmi.product.version: 1.XX
dmi.sys.vendor: ASUSTeK Computer INC.

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise running-unity

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https://bugs.launchpad.net/bugs/1292716

Title:
  [EB1501, Realtek ALC662 rev1, SPDIF Out, Internal] No sound at all

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