Public bug reported:
Hello,
I have installed Windows 11 and Ubuntu Studio 26.04 on the same machine.
On both operating systems, I'm using the "SoundBlaster Recon3D Fatal1ty
Champion" (from "Creative Labs") as my sound card.
On Ubuntu Studio, it sometimes happens that either my sound card sounds dull
and radio-like, or that the right channel of my sound card is much louder than
the left channel.
If this happens, I need to reboot my PC with Windows 11, then shut it down
completely, then wait a few seconds, and then reboot my PC with Ubuntu Studio,
so the sound card will sound normal again.
It looks like the Windows Recon3D driver overwrites some parts of the
sound card's memory, and this has an effect on the Linux Recon3D driver,
even after reboot.
If you have any ideas how to solve this issue, or you need further
details, please contact me.
Best regards,
Manfred Bittersam
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: alsa-base 1.0.25+dfsg-0ubuntu9
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mbittersam 2611 F.... wireplumber
/dev/snd/controlC2: mbittersam 2611 F.... wireplumber
/dev/snd/controlC1: mbittersam 2611 F.... wireplumber
/dev/snd/seq: mbittersam 2591 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Mon May 25 16:16:54 2026
InstallationDate: Installed on 2026-05-23 (2 days ago)
InstallationMedia: Ubuntu-Studio 26.04 "Resolute Raccoon" - Release amd64
(20260423.1)
MachineType: ASUS System Product Name
PackageArchitecture: all
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/19/2021
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2006
dmi.board.asset.tag: Default string
dmi.board.name: ROG STRIX B550-F GAMING
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2006:bd03/19/2021:br5.17:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnROGSTRIXB550-FGAMING:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:pfaTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2154200
Title:
Sound card sounds dull
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