Public bug reported:
My hardware:
HDMI output to TV/Monitor. Optical cable to Phonak TVLink. Bluetooth to
compilot. ComPilot to hearing aids.
Browsing YouTube with Google Chrome.
Works fine with 18.04.
Tried Ubuntu MATE 20.04.02.
High level of noise with 20.04. When reboot to 18.04 noise goes away.
Not Hardware. Just bad code in 20.04.02 audio.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-142-generic 4.15.0-142.146
ProcVersionSignature: Ubuntu 4.15.0-142.146-generic 4.15.18
Uname: Linux 4.15.0-142-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: robert 6819 F.... pulseaudio
/dev/snd/controlC0: robert 6819 F.... pulseaudio
CurrentDesktop: MATE
Date: Fri Apr 23 19:30:35 2021
InstallationDate: Installed on 2019-12-22 (488 days ago)
InstallationMedia: Ubuntu-MATE 18.04 LTS "Bionic Beaver" - Release amd64
(20180426)
MachineType: System manufacturer System Product Name
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-142-generic
root=UUID=ae6f5cdd-0c3b-48a9-8449-da1027511bec ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-142-generic N/A
linux-backports-modules-4.15.0-142-generic N/A
linux-firmware 1.173.20
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1301
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: A88XM-A
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1301:bd04/01/2014:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnA88XM-A:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1925981
Title:
20.04.02 introduces noise into the audio channel when using YouTube
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