nvidia-340 340.108-0ubuntu5.20.04.2: nvidia-340 kernel module failed to build

[Arnold]

Fails to boot upgrade Ubuntu 5.11.0-34, revert back to 5.8.0-63 on menu entry script in Grub and all works fine.

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: nvidia-340 340.108-0ubuntu5.20.04.2
ProcVersionSignature: Ubuntu 5.8.0-63.71~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-63-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
CasperMD5CheckResult: skip
DKMSKernelVersion: 5.11.0-34-generic
Date: Sun Sep 19 23:55:28 2021
InstallationDate: Installed on 2021-02-28 (203 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
PackageVersion: 340.108-0ubuntu5.20.04.2
Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.6
SourcePackage: nvidia-graphics-drivers-340
Title: nvidia-340 340.108-0ubuntu5.20.04.2: nvidia-340 kernel module failed to build
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[sdtrott (sdtrott)]

Is anyone ever going to come up with a fix for this? This has been going on for a long time. The only way I can launch Linux now is by using the 5.8 kernel. Is it possible to remove the faulty 5.11 kernel so that I can launch directly into 5.8?