Public bug reported:

Hello. I previously tried to manually update the kernel via Terminal and
ran into a series of errors from the apt which refused to fully install
the kernet update. After several unsuccessful attempt through various
other Terminal means, the update seemed to be accepted; but after
rebooting my machine; the Intel WiFi drivers collapsed and I no longer
could connect to the internet. After reinstalling previously saved Intel
drivers from my Trash bin, I managed to get the Bluetooth to work, and
then I used the UBS tethering feature of my startphone to connect this
machine to the Internet, which till this moment; is my only method of
going online.

I consulted with a professioanl web-developer from Europe, whom
confirmed this bug and suggested I report it; which I am now doing.

Thanks to the kernel developers for all your hard work. You're such
appreciated!

;-)

PS: Here's additional info ---

frederick@frederickpina:~$ cat/proc/version_signature>version.log
bash: cat/proc/version_signature: No such file or directory

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-33-generic 5.4.0-33.37
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  frederick   1983 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not 
found.
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Jun  5 02:13:54 2020
InstallationDate: Installed on 2020-01-30 (126 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
IwConfig:
 lo        no wireless extensions.
 
 usb0      no wireless extensions.
MachineType: HP HP Spectre x360 Convertible
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic 
root=UUID=3ad1fd87-8287-4943-af05-e0fcb04a210d ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-33-generic N/A
 linux-backports-modules-5.4.0-33-generic  N/A
 linux-firmware                            1.187
RfKill:
 0: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-04-24 (41 days ago)
dmi.bios.date: 05/16/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F.21
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 8174
dmi.board.vendor: HP
dmi.board.version: 38.41
dmi.chassis.type: 31
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF.21:bd05/16/2019:svnHP:pnHPSpectrex360Convertible:pvr:rvnHP:rn8174:rvr38.41:cvnHP:ct31:cvrChassisVersion:
dmi.product.family: 103C_5335KV G=N L=CON B=HP S=SPT
dmi.product.name: HP Spectre x360 Convertible
dmi.product.sku: T6T09UA#ABA
dmi.sys.vendor: HP

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug focal third-party-packages

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https://bugs.launchpad.net/bugs/1882194

Title:
  Latest Kernel WiFi Bug

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