[USB-Audio - Xonar U7, playback] dummy output

[firsikov]

I can see my soundcard in 'aplay -l' output, but can't see it in pavucontrol.

URL https://help.ubuntu.com/community/SoundTroubleshootingProcedure are readed.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-14.14-generic 3.19.3
Uname: Linux 3.19.0-14-generic x86_64
ApportVersion: 2.17.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/by-id', '/dev/snd/pcmC1D2p', '/dev/snd/pcmC1D1c', '/dev/snd/pcmC1D1p', '/dev/snd/pcmC1D0p', '/dev/snd/controlC1', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: XFCE
Date: Tue Apr 14 21:40:16 2015
InstallationDate: Installed on 2015-04-04 (10 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Xonar U7 - Xonar U7
Symptom_Type: Volume slider, or mixer problems
Title: [USB-Audio - Xonar U7, playback] volume slider problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/04/2008
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F7
dmi.board.name: 945GCM-S2L
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF7:bd06/04/2008:svnGigabyteTechnologyCo.,Ltd.:pn945GCM-S2L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rn945GCM-S2L:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: 945GCM-S2L
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

[Raymond (superquad-vortex2)]

кві 14 20:35:51 firefly pulseaudio[1356]: [pulseaudio] alsa-mixer.c: Volume element Speaker has 8 channels. That's too much! I can't handle that!
кві 14 20:35:51 firefly pulseaudio[1356]: [pulseaudio] alsa-sink.c: Failed to parse tsched argument.

[firsikov (firsikov)]

And how may i fix it? It work's a some time.

[Raymond (superquad-vortex2)]

http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa/alsa-mixer.c?id=527078523815587bfd021bc1d10782403e9b3e84

send email to the author

[Raymond (superquad-vortex2)]

https://bugs.freedesktop.org/show_bug.cgi?id=84983#c41

[Daniel van Vugt (vanvugt)]

Thank you for reporting this bug to Ubuntu.
Ubuntu 15.04 (vivid) reached end-of-life on February 4, 2016.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test.

[Daniel van Vugt (vanvugt)]

Closed due to no response.