My network interface is the Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter and the driver is the ath9k.
I've had this problem years before and I solved it by updating the kernel, but this time the problem came with the update.
What happens: when I use my bluetooth headphones, the wifi connection is extremely slow, unusable. I turn off bluetooth and it works again quickly.
When it started: Earlier today when I updated the system and the package was replaced. I send the update history below.
2022-03-08 18:08:32 upgrade linux-generic-hwe-20.04:amd64 5.13.0.30.33~20.04.17 5.13.0.35.40~20.04.20
2022-03-08 18:08:32 upgrade linux-image-generic-hwe-20.04:amd64 5.13.0.30.33~20.04.17 5.13.0.35.40~20.04.20
2022-03-08 18:08:36 upgrade linux-headers-generic-hwe-20.04:amd64 5.13.0.30.33~20.04.17 5.13.0.35.40~20.04.20
2022-03-08 18:08:36 upgrade linux-libc-dev:amd64 5.4.0-100.113 5.4.0-104.118
I didn't want to manually install another kernel version. Is it possible to go back to the previous version? It was working really well.
What can I do? Well, thank you very much in advance.
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ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: diego 1800 F.... pulseaudio
/dev/snd/pcmC0D0p: diego 1800 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2021-10-20 (142 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
MachineType: Dell Inc. Inspiron 15-3567
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-28-generic root=UUID=05a0695a-6046-4a65-8cb0-a2300ac91ba2 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.13.0-28.31~20.04.1-generic 5.13.19
RelatedPackageVersions:
linux-restricted-modules-5.13.0-28-generic N/A
linux-backports-modules-5.13.0-28-generic N/A
linux-firmware 1.187.27
Tags: focal
Uname: Linux 5.13.0-28-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: 12/15/2021
dmi.bios.release: 2.18
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.18.0
dmi.board.name: 0MM5K1
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr2.18.0:bd12/15/2021:br2.18:svnDellInc.:pnInspiron15-3567:pvr:rvnDellInc.:rn0MM5K1:rvrA00:cvnDellInc.:ct9:cvr:sku078B:
dmi.product.family: Inspiron
dmi.product.name: Inspiron 15-3567
dmi.product.sku: 078B
dmi.sys.vendor: Dell Inc.
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