[Bug 1866191] Re: Can no longer boot after 19.10 Upgrade

[Sultan Alsawaf]

Marking as invalid since, as discussed over IRC, the issue was caused by
performing the upgrade via an unsanctioned method, and a reinstall
resolved the issue.

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https://bugs.launchpad.net/bugs/1866191

Title:
  Can no longer boot after 19.10 Upgrade

Status in ubuntu-release-upgrader package in Ubuntu:
  Invalid

Bug description:
  After performing the release upgrade from 19.4 to 19.10, my system is
  no longer booting.

  After unlocking the disk encryption, the system begins loading and
  freezes with:

  '''
  aufs aufs_fill_super:920:mount[3405]: no arg
  overlayfs: missing 'lowerdir'
  '''

  I was able to add initcall_debug to kernel args at boot time and
  somehow it gets past the error and boots to terminal login prompt only
  - still no graphical UI.

  Please help!

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Mar  5 13:53:41 2020
  InstallationDate: Installed on 2019-04-11 (328 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  PackageArchitecture: all
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_US.UTF-8
   TERM=linux
   XDG_RUNTIME_DIR=<set>
   PATH=(custom, user)
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: No upgrade log present (probably fresh install)

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