Public bug reported:
did a new install of ubuntu 20.04 and started with kernel 5.4.0-54-generic. I
came from using ubuntu 18.04 which needed to manually compile drivers to use
wifi usb adapter and was pleasantly surprised that version 20.04 supported the
ASUSTek Computer, Inc. USB-AC55 802.11a/b/g/n/ac Wireless Adapter natively.
The problem begun when a new kernel was available and upgraded to
5.4.0-56-generic, the networkmanager was not functional and got errors:
INFO: task NetworkManager:1171 blocked for more than 120 seconds.
Tainted: G OE 5.4.0-56-generic #64-Ubuntu
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
I thought that maybe on a new kernel release this was going to be
addressed, but I upgraded to 5.4.0-58-generic and problem persist. For
now I reverted to use kernel 5.4.0-54-generic where the USB-AC55 works.
Using Ubuntu 20.04.1 LTS.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-54-generic 5.4.0-54.60
ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: francis 2197 F.... pulseaudio
/dev/snd/controlC2: francis 2197 F.... pulseaudio
/dev/snd/controlC1: francis 2197 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Dec 16 22:47:35 2020
InstallationDate: Installed on 2020-11-21 (25 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: MSI MS-7641
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
0 radeondrmfb
1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-54-generic
root=UUID=33823627-04d6-4099-ad76-0a2643f66ed1 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-54-generic N/A
linux-backports-modules-5.4.0-54-generic N/A
linux-firmware 1.187.6
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/25/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V17.16
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 760GM-P21(FX) (MS-7641)
dmi.board.vendor: MSI
dmi.board.version: 3.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 3.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV17.16:bd11/25/2014:svnMSI:pnMS-7641:pvr3.0:rvnMSI:rn760GM-P21(FX)(MS-7641):rvr3.0:cvnMSI:ct3:cvr3.0:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: MS-7641
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: 3.0
dmi.sys.vendor: MSI
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug focal wayland-session
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https://bugs.launchpad.net/bugs/1908478
Title:
USB-AC55 not working after kernel update Ubuntu 20.04
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