Public bug reported:
My Logitech BRIO webcam's mic doesn't pass audio after suspend/resume
cycles on my desktop. The ALSA interfaces are present and the mic
devices appear in pulseaudio and the Ubuntu audio settings applet, but
no audio is seen via arecord or the volume meter in the audio settings
applet.
It doesn't happen on every suspend/resume and I'm trying to establish
the pattern. I think it may be that this happens only on suspend/resume
where a handle to the mic was left open. For example, it took 3
suspend/resume cycles to generate this error report, and the one that
finally reproed the issue was the one where I left the mic selection
panel of the audio settings panel open. I think the open handle to the
mic to supply the volume meter may have been what broke it.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79
Uname: Linux 4.4.0-93-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC2D0c: rhett 421 F...m pulseaudio
/dev/snd/controlC2: rhett 421 F.... pulseaudio
/dev/snd/controlC0: rhett 421 F.... pulseaudio
/dev/snd/controlC1: rhett 421 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Aug 29 12:53:04 2017
InstallationDate: Installed on 2016-11-21 (280 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Logitech BRIO - Logitech BRIO
Symptom_Type: Sound works for a while, then breaks
Title: [USB-Audio - Logitech BRIO, recording] fails after a while
UpgradeStatus: Upgraded to xenial on 2017-07-24 (36 days ago)
dmi.bios.date: 09/19/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2202
dmi.board.asset.tag: Default string
dmi.board.name: MAXIMUS VIII HERO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2202:bd09/19/2016:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnMAXIMUSVIIIHERO:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1713775
Title:
[USB-Audio - Logitech BRIO, recording] fails on suspend/resume
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