Public bug reported:
PulseAudio thinks that a Fiio E10K can capture audio and tries to
configure that, leading to a ton of:
retire_capture_urb: 2492 callbacks suppressed
messages in dmesg. The device has no capture ability, alsamixer also
only shows one master playback control; no capture one.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: pulseaudio 1:11.1-1ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC2D0p: jak 2367 F...m pulseaudio
/dev/snd/controlC2: jak 2367 F.... pulseaudio
/dev/snd/controlC1: jak 2367 F.... pulseaudio
/dev/snd/controlC0: jak 2367 F.... pulseaudio
CurrentDesktop: GNOME
Date: Tue May 8 16:43:47 2018
InstallationDate: Installed on 2018-03-14 (54 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180313)
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/22/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N22ET31W (1.08 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20L8S02D00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN22ET31W(1.08):bd01/22/2018:svnLENOVO:pn20L8S02D00:pvrThinkPadT480s:rvnLENOVO:rn20L8S02D00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T480s
dmi.product.name: 20L8S02D00
dmi.product.version: ThinkPad T480s
dmi.sys.vendor: LENOVO
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cosmic third-party-packages
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https://bugs.launchpad.net/bugs/1769914
Title:
PulseAudio configures Fiio E10K DAC/headphone amp as input, but it
only is a sink
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