Public bug reported:
Pre-18.04, I had to download and install the module for my TP-Link T4U
USB WiFi adapter manually. With most (not all) previous updates, the
module would be incorporated in the update automatically.
With 18.04, this module is now included in the standard repository,
which I appreciate. However, every time I do a version update ( twice,
from 4.15.0-44 to 4.15.0-45, and now 4.15.0-45 to 4.15.0-46), the module
is no longer operational following the update. I expect the module, now
that it is in the standard repository, to be incorporated in the update
every time.
After an update, I can issue a command
lshw -c network
and it shows only my onboard wired adapter. If I connect my wired
adapter and issue the command
sudo apt install rtl8812au-dkms
I get the response that the current version is already the newest
version, and nothing happens. I need to first remove the current module,
then reinstall it, and then reboot.
sudo apt remove rtl8812au-dkms
sudo apt install rtl8812au-dkms
reboot
The module is then functional when the system starts up again.
I am currently on:
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Linux 4.15.0-46-generic i686
rtl8812au-dkms:
Installed: 4.3.8.12175.20140902+dfsg-0ubuntu8
Candidate: 4.3.8.12175.20140902+dfsg-0ubuntu8
Version table:
*** 4.3.8.12175.20140902+dfsg-0ubuntu8 500
500 http://us.archive.ubuntu.com/ubuntu bionic/universe i386 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: rtl8812au-dkms 4.3.8.12175.20140902+dfsg-0ubuntu8
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic i686
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: i386
CurrentDesktop: XFCE
Date: Tue Mar 19 11:15:38 2019
InstallationDate: Installed on 2015-09-22 (1273 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta i386 (20150805)
PackageArchitecture: all
SourcePackage: rtl8812au
UpgradeStatus: Upgraded to bionic on 2019-01-17 (61 days ago)
** Affects: rtl8812au (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug bionic i386
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https://bugs.launchpad.net/bugs/1820897
Title:
USB wifi adapter module does not work after version update
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