Public bug reported:
When playing RhythmBox or using the test sounds. No sound comes out of
the rear panel for the speakers, however sound does come out of the
headphones on the front panel.
Audio did not worked after I fresh-installed Ubuntu 12.04RC2 until the
second-to-last update. Then it worked. Then the last update perhaps
made it not work again.
In Sound Settings... I tried setting the Analog Audio to different
types, i.e. Analog Stereo Outputs and Analog Surround 5.1 Outputs. Both
worked through the headphones (e.g. the front left and right speaker
tests), but nothing through the rear panel.
If I use the Pulseaudio Manager and crank up the Audio to 400 %, I can
hear a faint, distorted audio from the speakers (also turned up). This
could simply be cross-leakage from the front panel circuits...
uname -a:
Linux name 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64
x86_64 x86_64 GNU/Linux
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: name 2312 F.... pulseaudio
/dev/snd/controlC2: name 2312 F.... pulseaudio
/dev/snd/controlC0: name 2312 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf7dd8000 irq 77'
Mixer name : 'Realtek ALC889'
Components : 'HDA:10ec0889,1043840f,00100004'
Controls : 46
Simple ctrls : 22
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xfbcfc000 irq 34'
Mixer name : 'Nvidia GPU 10 HDMI/DP'
Components : 'HDA:10de0010,10de0101,00100100'
Controls : 24
Simple ctrls : 4
Card2.Amixer.info:
Card hw:2 'U0x46d0x8c5'/'USB Device 0x46d:0x8c5 at usb-0000:00:1d.7-1, high
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:08c5'
Controls : 2
Simple ctrls : 1
Card2.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 3072
Mono: Capture 3056 [99%] [29.93dB] [on]
Date: Mon Apr 23 23:09:51 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_DevicesInUse:
2312 2312 2312 name F.... pulseaudio
/dev/snd/controlC2: name F.... pulseaudio
/dev/snd/controlC0: name F.... pulseaudio
Symptom_Jack: Green Line Out, Rear
Symptom_Type: No sound at all
Title: [System Product Name, Realtek ALC889, Green Line Out, Rear] No sound at
all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/17/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1301
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: Rampage III Extreme
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 2.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1301:bd03/17/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnRampageIIIExtreme:rvrRev2.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: amd64 apport-bug kernel-sound precise
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https://bugs.launchpad.net/bugs/987650
Title:
Audio Realtek ALC889, Green/Black/Yellow Line Out, Rear, no sound
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