Public bug reported:
Occurs only with my audio interface Steinberg UR22C, which is connected
via USB-C.
This is a regression.
Latest kernel known to work properly was: linux-image-5.4.0-48-generic.
(If I boot my current system with this one, everything's working fine.)
As far as I can tell this broke with vthe v5.4.0-51 update.
## Problem 1:
On reboot: after a few seconds playback stops (and freezes the application that
was currently playing audio).
### For v5.4.0-56
This happens only once after each boot. Works fine after closing the hanging
player.
### With v5.4.0-51
This used to occur again and again, plus the playback freeze was permanent.
Workaround: pulseaudio --kill +then: pulseaudio --start until the next freeze
would happen)
### Characteristics
Audio would suddenly go completely silent.
## Problem 2:
Applies to v5.4.0-56
After starting some playback the first few seconds will also "contain" some
unpleasant weird crackles.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-5.4.0-56-generic 5.4.0-56.62~18.04.1
ProcVersionSignature: Ubuntu 5.4.0-56.62~18.04.1-generic 5.4.73
Uname: Linux 5.4.0-56-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.20
Architecture: amd64
CurrentDesktop: Budgie:GNOME
Date: Sat Dec 12 00:59:47 2020
InstallationDate: Installed on 2018-10-20 (783 days ago)
InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Release amd64
(20180426)
SourcePackage: linux-signed-hwe-5.4
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-hwe-5.4 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug audio bionic
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https://bugs.launchpad.net/bugs/1907869
Title:
Weird audio problems UR22C
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