Occasional Keyboard Freeze

I am using 18.04 and sometimes, whatever I type does not work. It is as if there is no keyboard connected while I have my laptop keyboard and an external keyboard connected to the machine. I even enabled On Screen Keyboard and tried to type through it. Same result.

Ref : https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1807056

ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-shell 3.28.3-0ubuntu0.18.04.3 ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18 Uname: Linux 4.15.0-42-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.9-0ubuntu7.5 Architecture: amd64 CurrentDesktop: communitheme:ubuntu:GNOME Date: Thu Dec 6 05:41:04 2018 DisplayManager: gdm3 InstallationDate: Installed on 2018-11-29 (6 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install)