[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/806479
Title:
[USB-Audio - USB Audio DAC , playback] USB audio playback stops
working randomly
Status in alsa-driver package in Ubuntu:
Expired
Bug description:
I have a custom build usb audio device from hotaudio.com, it works
nicely when freshly booted, but when left silent (no playback), it
stops working after some time. It does not matter if the sound was
used or not. This is resolved by reboot. Unplugging and plugging the
device back in does not help the issue. In sound settings, I can see
the device, but in the output tab, there is only dummy output.
Pressing the "test speakers" button closes the sound properties with
no action (and no test sound).
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: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-id',
'/dev/snd/controlC1', '/dev/snd/pcmC1D0p', '/dev/snd/controlC0',
'/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p',
'/dev/snd/pcmC0D1p', '/dev/snd/by-path', '/dev/snd/controlC29', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe220000 irq 48'
Mixer name : 'Analog Devices AD1984'
Components : 'HDA:11d41984,17aa20d7,00100400'
Controls : 31
Simple ctrls : 19
Card1.Amixer.info:
Card hw:1 'default'/'Burr-Brown from TI USB Audio DAC at
usb-0000:00:1a.1-1, full s'
Mixer name : 'USB Mixer'
Components : 'USB08bb:2705'
Controls : 2
Simple ctrls : 1
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
7KHT24WW-1.08'
Mixer name : 'ThinkPad EC 7KHT24WW-1.08'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Wed Jul 6 15:09:18 2011
EcryptfsInUse: Yes
InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=C:en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:default successful
Symptom_Card: USB Audio DAC - USB Audio DAC
Symptom_PulsePlaybackTest: PulseAudio playback test failed
Symptom_Type: None of the above
Title: [USB-Audio - USB Audio DAC , playback] Playback problem
UpgradeStatus: Upgraded to natty on 2011-05-27 (40 days ago)
dmi.bios.date: 04/08/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETC7WW (2.27 )
dmi.board.name: 7663B22
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7LETC7WW(2.27):bd04/08/2010:svnLENOVO:pn7663B22:pvrThinkPadT61:rvnLENOVO:rn7663B22:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7663B22
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
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