USB audio on Focusrite scarlett 2i2 (2nd Gen) is distorted

Bug #1966215 reported by Floris R.
22
This bug affects 3 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Incomplete
Undecided
Unassigned

Bug Description

issues is with `Ubuntu 5.13.0-37.42~20.04.1-generic 5.13.19` audio is distorted, not sure how to describe it but there is somewhat of an electronic noise with a small delay

tested with `Ubuntu 5.13.0-35.40~20.04.1-generic 5.13.19` and problem does not occur

Seems to be only happening on usb audio, normal audio seems fine

Hardware in question: Focusrite scarlett 2i2 (2nd Gen) is distorted
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: floris 1998 F.... pulseaudio
 /dev/snd/controlC1: floris 1998 F.... pulseaudio
 /dev/snd/controlC0: floris 1998 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
DistroRelease: Linux Mint 20.2
InstallationDate: Installed on 2021-10-19 (156 days ago)
InstallationMedia: Linux Mint 20.2 "Uma" - Release amd64 20210703
MachineType: LENOVO 81YQ
Package: linux (not installed)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.13.0-37-generic root=UUID=66316bb3-7a4a-4fb0-b54f-41b37af8f9bf ro quiet splash
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
Tags: uma
Uname: Linux 5.13.0-37-generic x86_64
UnreportableReason: This report is about a package that is not installed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip docker lpadmin plugdev sambashare sudo tty uucp
_MarkForUpload: False
dmi.bios.date: 10/12/2020
dmi.bios.release: 1.34
dmi.bios.vendor: LENOVO
dmi.bios.version: E7CN34WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad 5 15ARE05
dmi.ec.firmware.release: 1.34
dmi.modalias: dmi:bvnLENOVO:bvrE7CN34WW:bd10/12/2020:br1.34:efr1.34:svnLENOVO:pn81YQ:pvrIdeaPad515ARE05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrIdeaPad515ARE05:skuLENOVO_MT_81YQ_BU_idea_FM_IdeaPad515ARE05:
dmi.product.family: IdeaPad 5 15ARE05
dmi.product.name: 81YQ
dmi.product.sku: LENOVO_MT_81YQ_BU_idea_FM_IdeaPad 5 15ARE05
dmi.product.version: IdeaPad 5 15ARE05
dmi.sys.vendor: LENOVO
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: floris 1998 F.... pulseaudio
 /dev/snd/controlC1: floris 1998 F.... pulseaudio
 /dev/snd/pcmC1D0p: floris 1998 F...m pulseaudio
 /dev/snd/controlC0: floris 1998 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
DistroRelease: Linux Mint 20.2
InstallationDate: Installed on 2021-10-19 (156 days ago)
InstallationMedia: Linux Mint 20.2 "Uma" - Release amd64 20210703
MachineType: LENOVO 81YQ
Package: linux (not installed)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.13.0-37-generic root=UUID=66316bb3-7a4a-4fb0-b54f-41b37af8f9bf ro quiet splash
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
Tags: uma
Uname: Linux 5.13.0-37-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip docker lpadmin plugdev sambashare sudo tty uucp
_MarkForUpload: True
dmi.bios.date: 10/12/2020
dmi.bios.release: 1.34
dmi.bios.vendor: LENOVO
dmi.bios.version: E7CN34WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad 5 15ARE05
dmi.ec.firmware.release: 1.34
dmi.modalias: dmi:bvnLENOVO:bvrE7CN34WW:bd10/12/2020:br1.34:efr1.34:svnLENOVO:pn81YQ:pvrIdeaPad515ARE05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrIdeaPad515ARE05:skuLENOVO_MT_81YQ_BU_idea_FM_IdeaPad515ARE05:
dmi.product.family: IdeaPad 5 15ARE05
dmi.product.name: 81YQ
dmi.product.sku: LENOVO_MT_81YQ_BU_idea_FM_IdeaPad 5 15ARE05
dmi.product.version: IdeaPad 5 15ARE05
dmi.sys.vendor: LENOVO

Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1966215

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Revision history for this message
Floris R. (pa5op-nl) wrote :
Revision history for this message
Floris R. (pa5op-nl) wrote : AlsaInfo.txt

apport information

tags: added: apport-collected uma
description: updated
description: updated
Revision history for this message
Floris R. (pa5op-nl) wrote : CRDA.txt

apport information

Revision history for this message
Floris R. (pa5op-nl) wrote : CurrentDmesg.txt

apport information

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Floris R. (pa5op-nl) wrote : IwConfig.txt

apport information

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Floris R. (pa5op-nl) wrote : Lspci.txt

apport information

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Floris R. (pa5op-nl) wrote : Lspci-vt.txt

apport information

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Floris R. (pa5op-nl) wrote : Lsusb.txt

apport information

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Floris R. (pa5op-nl) wrote : Lsusb-t.txt

apport information

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Floris R. (pa5op-nl) wrote : Lsusb-v.txt

apport information

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Floris R. (pa5op-nl) wrote : ProcCpuinfo.txt

apport information

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Floris R. (pa5op-nl) wrote : ProcCpuinfoMinimal.txt

apport information

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Floris R. (pa5op-nl) wrote : ProcEnviron.txt

apport information

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Floris R. (pa5op-nl) wrote : ProcInterrupts.txt

apport information

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Floris R. (pa5op-nl) wrote : ProcModules.txt

apport information

Revision history for this message
Floris R. (pa5op-nl) wrote : PulseList.txt

apport information

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Floris R. (pa5op-nl) wrote : RfKill.txt

apport information

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Floris R. (pa5op-nl) wrote : UdevDb.txt

apport information

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Floris R. (pa5op-nl) wrote : WifiSyslog.txt

apport information

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Floris R. (pa5op-nl) wrote : acpidump.txt

apport information

Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

Possible dup of bug #1966066, please feel free to remove dup if you think this is incorrect.
Thanks.

Revision history for this message
uniomni (ole-moller-nielsen) wrote : [Bug 1966215] [NEW] USB audio on Focusrite scarlett 2i2 (2nd Gen) is distorted

Thank you so much for raising this bug. I have the same issue:
https://drive.google.com/file/d/13aSFZ5ch9TcG836B9r-OXzAqAk6WimJx/view?usp=sharing

I just don't understand how it suddenly happened. Is it due to automatic
updates?

Thx
Ole

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