[Bug 1912034] Re: At end of install process, installer said "fatal error"

[Ken T]

So, after the above, another dialogue box appeared which said "an
unrecoverable error occurred", and said that a desktop session would be
started so that I could investigate the error, which then booted me into
a MATE live session. As I didn't know how to investigate the issue, I
simply attempted to reboot into the MATE partition.

At this point, I got a black screen with white text saying:
"You are in emergency mode. After logging in, type 'journalctl -xb' to view system logs, 'systemctl reboot' to reboot, ..."  - none of the options presented got me to a workable desktop.

Thanks,
K.
***

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https://bugs.launchpad.net/bugs/1912034

Title:
  At end of install process, installer said "fatal error"

Status in ubiquity package in Ubuntu:
  New

Bug description:
  ...and yet another dialogue box said "Installation complete. You need
  to restart the computer..."

  This happened while installing Ubuntu Mate 20.10 onto a partition
  alongside other existing partitions with Ubuntu & Linux Mint installed
  on them. I nominated the new partition with Ubuntu Mate (sda5)
  mountpoint as root, as the installer wouldn't let me continue without
  doing so, even though I had done this previously with other installs
  alongside this one on the same laptop, and Grub 2.x is already on this
  computer & has worked fine at bootup.

  Thanks,
  Ken.
  ***

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubiquity 20.10.13
  ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
  Uname: Linux 5.8.0-25-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu50
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.455
  Date: Sat Jan 16 11:11:46 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu-mate.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu-MATE 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  ProcEnviron:
   LANGUAGE=en_AU.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_AU.UTF-8
   LC_NUMERIC=C.UTF-8
  RebootRequiredPkgs:
   linux-image-5.8.0-25-generic
   linux-base
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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