another user's comments:
Re: Broken output sound
Your screenshots are the same as mines when i've got that issue.
How it had happened on my system:
- a couple days ago, made the usual daily upgrades from 'proposed',
including gvfs, pulseaudio, alsa and the likes. Sound was working before and
after the upgrades.
- with the next cold boot, i first upgrade some other releases (bionic,
cosmic, bulleyes), the sound was was ok on each ones.
- next cold boot on Disco, kernel 13, and that sound issue appeared; i've
closed and reopened the session, but that did not solved the problem.
- rebooting with the kernel 12 and there the sound was ok; in fact i should
say that the system had found and well identified the mobo sound chipset.
- since, i have made many cold boots and sound is now always working.
So it looks like the upgrade process has disturbed, at boot time,
the sound chipset discovery; is it the gcc8/9 switch to blame ?
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1816271
Title:
no sound
Status in pulseaudio package in Ubuntu:
New
Bug description:
19.04,kern 4.19.0-13
just took update and now does not recognize soundcard or something plugged in
to headphones jack. pulled bug. Now if I unplug headphones and plug back in, it
wakes up and recognizes it and works fine. I thought I had this prob a few days
ago and restored back to the 10th, and updated all but alsa and worked fine.
This morning I checked and a bunch of alsa stuff was no longer showing in
updates, took everything, and worked fine. Just took updates (Software
Updater), and checked speakers and no go. When this happened, it also would not
allow sound to HDTV via HDMI, no matter what. Just tested and was able to get
sound via hdmi, but remember, I have already "woken it up" by unplugging and
plugging headphones (actually sony vaio computer speakers)
ThinkPad T530-2394-3J8, i5-3380M 2.9GHz, Dual boot (BIOS/MBR): Grub, Ubuntu
19.04dev / Win7 Pro x64 . 8GB(15GB/s), Sammy 250GB SSD. Fast!
I expected sound to recognize soundcard/speakers. It did not until I
unplug/replug headphones.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: gstreamer1.0-plugins-good 1.15.1-1ubuntu2
ProcVersionSignature: Ubuntu 4.19.0-13.14-generic 4.19.20
Uname: Linux 4.19.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu21
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Feb 16 19:20:26 2019
InstallationDate: Installed on 2019-02-09 (7 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190203)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gst-plugins-good1.0
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1816271/+subscriptions
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