Public bug reported:
Laptop with multiple user accounts.
Logging in as any user has working audio, but if that session is locked
and a second user logs in, the second user gets no sound.
Workaround is for both users to log out and 2nd user to log in a fresh
session. Obviously a problem if you cant log in as the first user.
No sound hardware is shown in the MATE sound preferences, output pane
only shows "dummy output".
Looking at 'top' or system monitor shows that 1st user pulseaudio is
running, but 2nd user pulseaudio is sleeping.
$ lspci -nnk | grep -A2 Audio
00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset
High Definition Audio [8086:3b57] (rev 05)
Subsystem: Dell 5 Series/3400 Series Chipset High Definition Audio
[1028:0410]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: pulseaudio 1:11.1-1ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-45.48-generic 4.15.18
Uname: Linux 4.15.0-45-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/hwC0D3', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p',
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: MATE
Date: Wed Feb 6 21:19:25 2019
InstallationDate: Installed on 2018-11-12 (86 days ago)
InstallationMedia: Ubuntu-MATE 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
SourcePackage: pulseaudio
Symptom: audio
Symptom_Card: HDA-Intel - HDA Intel
Symptom_Jack: Speaker, Internal
Title: [Latitude E4310, IDT 92HD81B1X5, Speaker, Internal] Pulseaudio fails to
detect card
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/12/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A15
dmi.board.name: 0T6M8G
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA15:bd05/12/2017:svnDellInc.:pnLatitudeE4310:pvr0001:rvnDellInc.:rn0T6M8G:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E4310
dmi.product.version: 0001
dmi.sys.vendor: Dell Inc.
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1814964
Title:
No audio when logging in as second user. Only dummy audio device seen
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