Public bug reported:
Sound card is not detected by ubuntu when behind a USB 3.0 hub/port.
lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 046d:c526 Logitech, Inc. Nano Receiver
Bus 004 Device 002: ID 1784:0008 TopSeed Technology Corp. eHome Infrared
Transceiver
Bus 006 Device 002: ID 2109:0811
Bus 006 Device 003: ID 1852:5050 GYROCOM C&C Co., LTD
aplay -L
default
Playback/recording through the PulseAudio sound server
pulse
Playback/recording through the PulseAudio sound server
front:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
Front speakers
surround40:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
Direct sample mixing device
dmix:CARD=SPDIF,DEV=1
HA INFO U2 USB TO SPDIF, USB Audio #1
Direct sample mixing device
dsnoop:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
Direct sample snooping device
dsnoop:CARD=SPDIF,DEV=1
HA INFO U2 USB TO SPDIF, USB Audio #1
Direct sample snooping device
hw:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
Direct hardware device without any conversions
hw:CARD=SPDIF,DEV=1
HA INFO U2 USB TO SPDIF, USB Audio #1
Direct hardware device without any conversions
plughw:CARD=SPDIF,DEV=0
HA INFO U2 USB TO SPDIF, USB Audio
Hardware device with all software conversions
plughw:CARD=SPDIF,DEV=1
HA INFO U2 USB TO SPDIF, USB Audio #1
Hardware device with all software conversions
alsamixer
cannot open mixer: No such file or directory
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: pulseaudio 1:1.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices: **** List of CAPTURE Hardware Devices ****
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/by-id', '/dev/snd/controlC1', '/dev/snd/pcmC1D0p',
'/dev/snd/pcmC1D1p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card1.Amixer.info:
Error: command ['amixer', '-c', '1', 'info'] failed with exit code 1: amixer:
Mixer load hw:1 error: Invalid argument
Card hw:1 'SPDIF'/'HA INFO HA INFO U2 USB TO SPDIF at usb-0000:02:00.0-1.4,
full speed'
Mixer name : 'USB Mixer'
Components : 'USB1852:5050'
Controls : 2
Card1.Amixer.values: Error: command ['amixer', '-c', '1'] failed with exit code
1: amixer: Mixer hw:1 load error: Invalid argument
Date: Wed Dec 14 20:33:31 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
PciMultimedia:
SourcePackage: pulseaudio
Symptom: audio
Symptom_Card: USB-Audio - HA INFO U2 USB TO SPDIF
Title: [USB-Audio - HA INFO U2 USB TO SPDIF, playback] Pulseaudio fails to
detect card
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/27/2007
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F5
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.:bvrF5:bd12/27/2007: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.
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric
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https://bugs.launchpad.net/bugs/904229
Title:
[USB-Audio - HA INFO U2 USB TO SPDIF, playback] Pulseaudio fails to
detect card
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