Public bug reported:
On exactly every other reboot, a purple splash screen with the words
"Ubuntu 20.04" and four dots presents itself immediately on boot, and
prevents boot from progressing any further.
This splash screen occurs before the grub menu, and also before the
splash screen presented for entering my disk encryption password.
Upon hard reboot, the grub menu is presented correctly, as is the disk
encryption splash screen.
A workaround is to remove "quiet splash" from GRUB_CMDLINE_LINUX_DEFAULT
in /etc/default/grub and run update-grub.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: grub-pc 2.04-1ubuntu21
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu18
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Mar 2 08:05:57 2020
InstallationDate: Installed on 2019-08-01 (213 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug champagne focal
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https://bugs.launchpad.net/bugs/1865436
Title:
Locked splash screen prevents boot every other time
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