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** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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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
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
UPDATE:
Blacklisting the snd_hda_intel gave me a completely different view in
alsamixer. It turned out that the speaker channel was set down to zero volume.
The bug still remains since channels should not be set to zero
arbitrarily.
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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.
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