*** This bug is a duplicate of bug 1966066 ***
https://bugs.launchpad.net/bugs/1966066
** This bug has been marked a duplicate of bug 1966066
audio from external sound card is distorted
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https://bugs.launchpad.net/bugs/1966432
Title:
audio crackling on usb sound card
Status in linux package in Ubuntu:
Confirmed
Bug description:
After the regular updates (on 20.04 and 21.10) audio had crackling noise on
the USB audio interface, while it was normal on the internal audio.
Tried with different sound cards (presonus audiobox, behringer xenyx q802)
and three different machines.
Might be in the kernel 5.13.0-37
Reverting to that kernel removed the problem: linux-image-5.13.0-35-generic
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ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: janina 1338 F.... pulseaudio
/dev/snd/controlC2: janina 1338 F.... pulseaudio
/dev/snd/controlC1: janina 1338 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2022-03-03 (25 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
IwConfig:
lo no wireless extensions.
eno1 no wireless extensions.
MachineType: LENOVO 10AHS0LE00
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-37-generic
root=UUID=a8081fc1-6378-4580-9a4a-416e1bead5be ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.13.0-37.42~20.04.1-generic 5.13.19
RelatedPackageVersions:
linux-restricted-modules-5.13.0-37-generic N/A
linux-backports-modules-5.13.0-37-generic N/A
linux-firmware 1.187.29
RfKill:
Tags: focal
Uname: Linux 5.13.0-37-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 03/21/2018
dmi.bios.release: 1.226
dmi.bios.vendor: LENOVO
dmi.bios.version: FBKTCYAUS
dmi.board.name: SHARKBAY
dmi.board.vendor: LENOVO
dmi.board.version: NOK
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.ec.firmware.release: 1.13
dmi.modalias:
dmi:bvnLENOVO:bvrFBKTCYAUS:bd03/21/2018:br1.226:efr1.13:svnLENOVO:pn10AHS0LE00:pvrThinkCentreM83:rvnLENOVO:rnSHARKBAY:rvrNOK:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuLENOVO_MT_10AH:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: 10AHS0LE00
dmi.product.sku: LENOVO_MT_10AH
dmi.product.version: ThinkCentre M83
dmi.sys.vendor: LENOVO
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