[Bug 1857786] Re: Upgrade to 19.10 results in "Out of Memory" error on boot

[Kai-Heng Feng]

Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5-rc4

** Package changed: ubuntu-release-upgrader (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1857786

Title:
  Upgrade to 19.10 results in "Out of Memory" error on boot

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  This is probably a duplicate of 1842320.

  On upgrading to 19.10 a boot fails with grub immediately reporting an
  "Out of Memory" error after prompting that it is loading the RAM disk.
  By default the system is unresponsive at this stage, hitting a key
  does nothing.

  I tried the workaround described in 1842320 for this, explicitly
  setting GFXMODE in Grub to 640x480. This resulted in the system
  successfully responding to the "Hit any key" prompt, but still failing
  to boot. The boot failure is a blank screen, no icon, and no progress.

  I can still boot the system with my pre-existing 4.4.0 kernel but both
  of:

  Found linux image: /boot/vmlinuz-5.3.0-24-generic
  Found linux image: /boot/vmlinuz-5.0.0-37-generic

  fail to boot.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15.4
  ProcVersionSignature: Ubuntu 4.4.0-131.157-generic 4.4.134
  Uname: Linux 4.4.0-131-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sun Dec 29 11:09:44 2019
  InstallationDate: Installed on 2017-01-24 (1068 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to eoan on 2019-12-28 (0 days ago)
  VarLogDistupgradeXorgFixuplog:
   INFO:root:/usr/bin/do-release-upgrade running
   INFO:root:No xorg.conf, exiting
  mtime.conffile..etc.update-manager.release-upgrades: 2019-06-23T08:04:36.833372

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