install ubuntu 20.04.3 LTS on BASM fails on encrypeted disk

[abfahr]

install ubuntu 20.04.3 LTS on BASM fails on encrypeted disk

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15.17
ProcVersionSignature: Ubuntu 5.11.0-27.29~20.04.1-generic 5.11.22
Uname: Linux 5.11.0-27-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckMismatches: ./pool/main/m/mesa/mesa-vdpau-drivers_21.0.3-0ubuntu0.3~20.04.1_amd64.deb
CasperMD5CheckResult: skip
CasperVersion: 1.445.1
Date: Sat Feb 12 02:48:10 2022
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Paul White (paulw2u)]

From the bug description:

CasperMD5CheckMismatches: ./pool/main/m/mesa/mesa-vdpau-drivers_21.0.3-0ubuntu0.3~20.04.1_amd64.deb
CasperMD5CheckResult: skip

It's possible you had a bad write to your installation media or for some other reason its contents could not be read correctly. If you're still having problems you should try re-writing the image to your media (and possibly re-download it as well). Please always allow the integrity check to run as it should find any such problems before the installation process commences.

Please let us know if that resolves your problem.

[Paul White (paulw2u)]

With no response from reporter I'm closing this now as 'Invalid'.

[abfahr (abfahr)]

The underlying problem is within the faulty driver for WIFI-
product: RTL8821CE 802.11ac PCIe Wireless Network Adapter
from Realtek Semiconductor Co., Ltd.

There are lot's of connectivity issues in the beginning and still
later with simple commands like "apt update"