Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1036221
Title:
[USB-Audio - Bose USB Audio, playback] No sound at all
Status in “alsa-driver” package in Ubuntu:
Confirmed
Bug description:
This is a very irritating problem.
Symptoms :
- Audio does not work on booting. I usually have to reboot to get it to work.
- I have to fiddle with the audio volume to get it to work. Does not work
everytime. If it does not work, i reboot again.
- Audio starts to work and if I am playing music/ watching a movie/etc, it
continues to work. However, if I pause for a few minutes - e.g. taking a
lunch/dinner break, and come back, the audio does not work again.
This is not an issue with the Bose hardware because:
1. I have a dual boot system, and I do not ever get this problem on windows.
2. If audio is not working, i can pull the usb out and put it in again to get
it to work.
I suspect
- there is some usb keep awake issue. if there is no signal on the usb cable
for sometime, it just dies and stops listening.
I think other people are having the same problem. I had blogged about
it a while back and got comments from other readers. You can read
about it at http://vibhurishi.blogspot.in/2012/03/ubuntu-no-sound-fix-
for-usb-audio.html . Its worse in Ubuntu 12.04 as I need to reboot or
unplug/plug the usb cable. This is driving me nuts.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic-pae 3.2.21
Uname: Linux 3.2.0-27-generic-pae i686
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu12
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: vibhu 2170 F.... pulseaudio
/dev/snd/controlC1: vibhu 2170 F.... pulseaudio
/dev/snd/controlC0: vibhu 2170 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe720000 irq 47'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,80860036,00100202'
Controls : 42
Simple ctrls : 23
Card1.Amixer.info:
Card hw:1 'Generic'/'HD-Audio Generic at 0xfe640000 irq 48'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 6
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Card2.Amixer.info:
Card hw:2 'Audio'/'Bose Corporation Bose USB Audio at usb-0000:00:1a.0-1.1,
full speed'
Mixer name : 'USB Mixer'
Components : 'USB05a7:1020'
Controls : 2
Simple ctrls : 1
Card2.Amixer.values:
Simple mixer control 'PCM',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
Playback channels: Mono
Limits: Playback 0 - 100
Mono: Playback 100 [100%] [0.00dB] [on]
Date: Mon Aug 13 20:00:37 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_IN:en
PATH=(custom, no user)
LANG=en_IN
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Audio failed
Symptom_Card: Bose USB Audio - Bose USB Audio
Symptom_DevicesInUse:
2170 2170 2170 2170 vibhu F.... pulseaudio
/dev/snd/pcmC2D0p: vibhu F...m pulseaudio
/dev/snd/controlC1: vibhu F.... pulseaudio
/dev/snd/controlC0: vibhu F.... pulseaudio
Symptom_Type: No sound at all
Title: [USB-Audio - Bose USB Audio, playback] No sound at all
UpgradeStatus: Upgraded to precise on 2012-06-09 (65 days ago)
dmi.bios.date: 12/06/2011
dmi.bios.vendor: Intel Corp.
dmi.bios.version: TCIBX10H.86A.0048.2011.1206.1342
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: DH55PJ
dmi.board.vendor: Intel Corporation
dmi.board.version: AAE93812-303
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrTCIBX10H.86A.0048.2011.1206.1342:bd12/06/2011:svn:pn:pvr:rvnIntelCorporation:rnDH55PJ:rvrAAE93812-303:cvn:ct3:cvr:
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