MT7921K high latency when bluetooth headset is used
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linux |
Confirmed
|
Medium
|
|||
linux (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
When I use onboard WiFi and Bluetooth headset at the same time, the latency goes from ~30-50ms to 200-6500ms
Motherboard: ASUS TUF GAMING X670E-PLUS WIFI
BIOS: 0809
Kernels tested: Ubuntu 22.10 downstream kernel (5.19) and upstream 6.0.[135]
$ lsb_release -rd
Description: Ubuntu 22.10
Release: 22.10
Also made upstream kernel bz: https:/
ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: bluez 5.65-0ubuntu1
Uname: Linux 6.0.5-060005-
ApportVersion: 2.23.1-0ubuntu3
Architecture: amd64
CasperMD5CheckR
CurrentDesktop: ubuntu:GNOME
Date: Sun Nov 6 15:44:14 2022
InstallationDate: Installed on 2022-10-15 (22 days ago)
InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Beta amd64 (20220927.1)
InterestingModules: rfcomm bnep btusb bluetooth
MachineType: ASUS System Product Name
ProcKernelCmdLine: BOOT_IMAGE=
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: bluez
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/23/2022
dmi.bios.release: 8.9
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0809
dmi.board.
dmi.board.name: TUF GAMING X670E-PLUS WIFI
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.
dmi.sys.vendor: ASUS
hciconfig:
hci0: Type: Primary Bus: USB
BD Address: 10:6F:D9:DD:4A:B0 ACL MTU: 1021:6 SCO MTU: 240:8
UP RUNNING PSCAN
RX bytes:23811976 acl:17760 sco:359584 events:24845 errors:0
TX bytes:22808883 acl:832 sco:352705 commands:4782 errors:0
affects: | ubuntu → bluez (Ubuntu) |
affects: | bluez → linux |
Changed in linux: | |
importance: | Unknown → Medium |
status: | Unknown → Confirmed |
Created attachment 303139
lshw dump with serials redacted
When I use onboard WiFi and Bluetooth headset at the same time, the latency goes from ~30-50ms to 200-6500ms
Motherboard: ASUS TUF GAMING X670E-PLUS WIFI
BIOS: 0809
Kernels tested: Ubuntu 22.10 downstream kernel (5.19) and upstream 6.0.[135]
I have attached the lshw output