Public bug reported:
My USB speakers worked fine with Maverick and Natty so far. Yesterday, I
tried a suspend to RAM, and my speakers to not play any sound since
then.
So far I have checked all the volume settings in the notification area,
the Sounds menu, pavucontrol and alsamixer. I then followed the
"Debugging Sound Problems" wiki page and created a sound.conf which
looks like this:
alias snd-card-0 snd-usb-audio
alias snd-card-1 snd-hda-intel
options snd-usb-audio index=0
options snd-hda-intel index=1
The USB cards is now in slot 0, but this did not change anything. The
card was in slot 1 all the time before and it worked.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
NonfreeKernelModules: wl fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mu 4406 F.... pulseaudio
/dev/snd/pcmC0D0p: mu 4406 F...m pulseaudio
/dev/snd/controlC1: mu 4406 F.... pulseaudio
/dev/snd/pcmC1D0c: mu 4406 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Device'/'C-Media Electronics Inc. USB Multimedia Audio Device at
usb-0000:00:1a.7-4.4, f'
Mixer name : 'USB Mixer'
Components : 'USB0d8c:0105'
Controls : 13
Simple ctrls : 6
Card1.Amixer.info:
Card hw:1 'Intel'/'HDA Intel at 0xd0600000 irq 46'
Mixer name : 'Realtek ALC889A'
Components : 'HDA:10ec0885,106b3c00,00100103'
Controls : 32
Simple ctrls : 17
Date: Tue May 3 11:28:20 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=de_DE:en
PATH=(custom, user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Device failed
Symptom_Card: Internes Audio - HDA Intel
Symptom_DevicesInUse:
4406 4406 4406 4406/dev/snd/pcmC0D0p: mu F...m pulseaudio
/dev/snd/controlC1: mu F.... pulseaudio
/dev/snd/pcmC1D0c: mu F...m pulseaudio
Symptom_Type: No sound at all
Title: [USB-Audio - USB Multimedia Audio Device, playback] No sound at all
UpgradeStatus: Upgraded to natty on 2011-04-29 (3 days ago)
dmi.bios.date: 02/09/08
dmi.bios.vendor: Apple Inc.
dmi.bios.version: IM81.88Z.00C1.B00.0802091538
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F226BEC8
dmi.board.vendor: Apple Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 13
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F226BEC8
dmi.modalias:
dmi:bvnAppleInc.:bvrIM81.88Z.00C1.B00.0802091538:bd02/09/08:svnAppleInc.:pniMac8,1:pvr1.0:rvnAppleInc.:rnMac-F226BEC8:rvrPVT:cvnAppleInc.:ct13:cvrMac-F226BEC8:
dmi.product.name: iMac8,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 natty
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https://bugs.launchpad.net/bugs/776238
Title:
[USB-Audio - USB Multimedia Audio Device, playback] No sound at all
after suspend to ram
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