nvidia-kernel-source-460 460.39-0ubuntu0.20.04.1: nvidia kernel module failed to build

[Jun.Tao]

I found this issue when I'm installing libgl1-mesa-dev, now I cannot either upgrade or -f install.

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: nvidia-kernel-source-460 460.39-0ubuntu0.20.04.1
ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
Uname: Linux 5.4.0-65-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
DKMSKernelVersion: 5.4.0-65-generic
Date: Wed Feb 3 08:29:08 2021
Dependencies:

DuplicateSignature: dkms:nvidia-kernel-source-460:460.39-0ubuntu0.20.04.1:clang: error: unsupported option '-dumpspecs'
InstallationDate: Installed on 2021-01-20 (13 days ago)
InstallationMedia: Ubuntu 18.04.5 LTS "Bionic Beaver" - Release amd64 (20200806.1)
PackageVersion: 460.39-0ubuntu0.20.04.1
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.4
SourcePackage: nvidia-graphics-drivers-460
Title: nvidia-kernel-source-460 460.39-0ubuntu0.20.04.1: nvidia kernel module failed to build
UpgradeStatus: Upgraded to focal on 2021-01-26 (7 days ago)

[Alberto Milone (albertomilone)]

The problem here is that you are using clang instead of gcc.

[Steve Marino (ralfthedog)]

I don't know if this helps. I got this error because, I had my internet connected to the wrong Ethernet port. When I swapped ports, the problem went away.

[Launchpad Janitor (janitor)]

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