Public bug reported:

i upgraded the computer to ubuntu 64 , but the audio won't work there,
so switched back to 32 bit , but audio still doesn't work, like it used
to. Not sure why.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.2.0-39.62-generic-pae 3.2.39
Uname: Linux 3.2.0-39-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  me         1642 F.... pulseaudio
 /dev/snd/pcmC1D3p:   me         1642 F...m pulseaudio
 /dev/snd/controlC0:  me         1642 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0xfe6f8000 irq 16'
   Mixer name   : 'Realtek ALC892'
   Components   : 'HDA:10ec0892,1043841b,00100302'
   Controls      : 43
   Simple ctrls  : 20
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfe8e8000 irq 19'
   Mixer name   : 'ATI RS690/780 HDMI'
   Components   : 'HDA:1002791a,00791a00,00100000'
   Controls      : 4
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
CurrentDmesg:
 [   18.567299] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
 [   29.408019] eth0: no IPv6 routers present
 [  205.407736] show_signal_msg: 21 callbacks suppressed
 [  205.407741] totem[1922]: segfault at bf14dfdc ip b6e0cd4b sp bf14dfe0 error 
6 in libglib-2.0.so.0.3200.3[b6df1000+f7000]
Date: Tue Mar 26 23:45:53 2013
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 
(20120817.3)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:HDMI failed
Symptom_Card: RS880 HDMI Audio [Radeon HD 4200 Series] - HDA ATI HDMI
Symptom_DevicesInUse:
 1642  1642  1642/dev/snd/controlC1:  me        F.... pulseaudio
 /dev/snd/pcmC1D3p:   me        F...m pulseaudio
 /dev/snd/controlC0:  me        F.... pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [System Product Name, ATI RS690/780 HDMI, Digital Out, HDMI] No sound at 
all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/31/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1015
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A88TD-V EVO/USB3
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1015:bd03/31/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A88TD-VEVO/USB3:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: apport-bug i386 precise running-unity

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https://bugs.launchpad.net/bugs/1160731

Title:
  [System Product Name, ATI RS690/780 HDMI, Digital Out, HDMI] No sound
  at all

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