Here connected audeze (Port 8: Dev 8) and xd05p ( Port 1: Dev 7). It
share bus 3, but only keyboard and mouse here. i have no other usb.
Cracks exists even if only one usb audio is connected at a time. And the
major thing - it was fine before upgrade.
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
|__ Port 5: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
|__ Port 5: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 5: Dev 2, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 6: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 3: Dev 5, If 0, Class=Human Interface Device, Driver=usbhid,
1.5M
|__ Port 3: Dev 5, If 1, Class=Human Interface Device, Driver=usbhid,
1.5M
|__ Port 8: Dev 8, If 0, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 8: Dev 8, If 1, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 8: Dev 8, If 2, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 8: Dev 8, If 3, Class=Human Interface Device, Driver=usbhid, 480M
|__ Port 9: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 7, If 1, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 1: Dev 7, If 2, Class=Application Specific Interface, Driver=,
480M
|__ Port 1: Dev 7, If 0, Class=Audio, Driver=snd-usb-audio, 480M
|__ Port 12: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 12: Dev 6, If 2, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 12: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1930550
Title:
usb sound devices crackling
Status in pulseaudio package in Ubuntu:
Incomplete
Bug description:
After upgrade from 20.04 to 21.04 all 3 my usb sound devices start crackling,
i have xduoo05plus, audeze mobius, audient id4.
I also tried to modify
default-fragments = 5
default-fragment-size-msec = 2
to different sugested on stackoverflow articles setting
Also this is in my config:
high-priority = yes
nice-level = -11
realtime-scheduling = yes
realtime-priority = 5
I even tried to switch to pipewire, but it still the same. Possible issue in
alsa kernel drivers for usb interface, submitting bug to pulse as it default in
ubuntu.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: pulseaudio 1:14.2-1ubuntu1
ProcVersionSignature: Ubuntu 5.11.0-17.18-generic 5.11.12
Uname: Linux 5.11.0-17-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Wed Jun 2 11:11:55 2021
InstallationDate: Installed on 2019-08-13 (658 days ago)
InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to hirsute on 2021-05-16 (16 days ago)
dmi.bios.date: 08/12/2015
dmi.bios.release: 4.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F11
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B85-HD3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF11:bd08/12/2015:br4.6:svnGigabyteTechnologyCo.,Ltd.:pnB85-HD3:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnB85-HD3:rvrTobefilledbyO.E.M.:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: B85-HD3
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
modified.conffile..etc.pulse.daemon.conf: [modified]
modified.conffile..etc.pulse.system.pa: [modified]
mtime.conffile..etc.pulse.daemon.conf: 2021-05-18T13:33:15.787174
mtime.conffile..etc.pulse.system.pa: 2021-05-18T11:20:40.860787
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1930550/+subscriptions
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