package linux-headers-6.5.0-21-generic 6.5.0-21.21 failed to install/upgrade: installed linux-headers-6.5.0-21-generic package post-installation script subprocess returned error exit status 1

[David Gochnauer]

This occurred installing updates.

ProblemType: Package
DistroRelease: Ubuntu 23.10
Package: linux-headers-6.5.0-21-generic 6.5.0-21.21
ProcVersionSignature: Ubuntu 6.5.0-17.17-generic 6.5.8
Uname: Linux 6.5.0-17-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: david 2455 F.... wireplumber
 /dev/snd/controlC1: david 2455 F.... wireplumber
 /dev/snd/seq: david 2438 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
Date: Sat Feb 24 16:31:10 2024
ErrorMessage: installed linux-headers-6.5.0-21-generic package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2022-07-10 (594 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
MachineType: {report['dmi.sys.vendor']} {report['dmi.product.name']}
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.5.0-17-generic root=UUID=7992ce64-176b-4fba-8425-28f856008200 ro quiet splash vt.handoff=7
Python3Details: /usr/bin/python3.11, Python 3.11.6, python3-minimal, 3.11.4-5
PythonDetails: /usr/bin/python3.11, Python 3.11.6, python-is-python3, 3.11.4-1
RelatedPackageVersions: grub-pc 2.12~rc1-10ubuntu4
SourcePackage: linux
Title: package linux-headers-6.5.0-21-generic 6.5.0-21.21 failed to install/upgrade: installed linux-headers-6.5.0-21-generic package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/09/2023
dmi.bios.release: 1.31
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.31.3
dmi.board.name: 0VK0WN
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.31.3:bd03/09/2023:br1.31:svnDellInc.:pnPrecision7710:pvr:rvnDellInc.:rn0VK0WN:rvrA01:cvnDellInc.:ct9:cvr:sku06DA:
dmi.product.family: Precision
dmi.product.name: Precision 7710
dmi.product.sku: 06DA
dmi.sys.vendor: Dell Inc.

[Juerg Haefliger (juergh)]

Building module:
Cleaning build area...
'make' -j8 KVER=6.5.0-21-generic KSRC=/lib/modules/6.5.0-21-generic/build.......(bad exit status: 2)
ERROR (dkms apport): binary package for 8812au: 5.6.4.2_35491.20191025 not found
Error! Bad return status for module build on kernel: 6.5.0-21-generic (x86_64)
Consult /var/lib/dkms/8812au/5.6.4.2_35491.20191025/build/make.log for more information.
Sign command: /usr/bin/kmodsign
Signing key: /var/lib/shim-signed/mok/MOK.priv
Public certificate (MOK): /var/lib/shim-signed/mok/MOK.der

[Juerg Haefliger (juergh)]

Unsupported DKMS breaks the kernel header installation Remove it.

$ dkms remove 8812au/5.6.4.2_35491.20191025