[MS-7596, Realtek ALC889, Black SPDIF Out, Rear] No sound at all

[rbresjer]

Somehow out of the blue I don't have any sound anymore: not via SPDIF out and not via analog out.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: rutger 2439 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0xfe7f0000 irq 16'
   Mixer name : 'Realtek ALC889'
   Components : 'HDA:10ec0889,14627596,00100004'
   Controls : 36
   Simple ctrls : 21
Date: Thu May 5 00:48:05 2011
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en
 LANG=nl_NL.utf8
 LC_MESSAGES=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:SB failed
Symptom_Card: Internal Audio - HDA ATI SB
Symptom_DevicesInUse: 2439 2474
Symptom_Jack: Black SPDIF Out, Rear
Symptom_Type: No sound at all
Title: [MS-7596, Realtek ALC889, Black SPDIF Out, Rear] No sound at all
UpgradeStatus: Upgraded to natty on 2011-05-04 (0 days ago)
dmi.bios.date: 12/09/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V2.4
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 785GM-E65 (MS-7596)
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV2.4:bd12/09/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7596:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rn785GM-E65(MS-7596):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
dmi.product.name: MS-7596
dmi.product.version: 1.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD

[Ralf Engels (ralf-engels)]

Same problem here.
I have seen some changes with quantal. The internal speakers are automatically switched off, but the digital output is not working.
I have an older kernel version where it still works. (will have to check the kernel version numbers)

[Ralf Engels (ralf-engels)]

See also #704401 and #761064

[Raymond (superquad-vortex2)]

only 0x10 is enabled and 0x06 is not enabled

Node 0x06 [Audio Output] wcaps 0x211: Stereo Digital
  Converter: stream=5, channel=0
  Digital: Enabled GenLevel
  Digital category: 0x2
  PCM:
    rates [0x5f0]: 32000 44100 48000 88200 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Node 0x1e [Pin Complex] wcaps 0x400300: Mono Digital
  Pincap 0x00000010: OUT
  Pin Default 0x01451130: [Jack] SPDIF Out at Ext Rear
    Conn = Optical, Color = Black
    DefAssociation = 0x3, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x06