Public bug reported:
After initial jammy upgrade things were working fine, but after a recent
update the machine boots to a blank screen. There are occasional
purplish flickers that seem to correspond with keypresses, but even
blindly typing the encrypted disk password doesn't appear to advance the
boot process to gdm.
Plugging in an external monitor does fix the issue and allow boot to
proceed, but obviously doesn't help if not near an external monitor.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: plymouth 0.9.5+git20211018-1ubuntu3
ProcVersionSignature: Ubuntu 5.15.0-23.23-generic 5.15.27
Uname: Linux 5.15.0-23-generic x86_64
ApportVersion: 2.20.11-0ubuntu79
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CurrentDesktop: GNOME
Date: Tue Mar 22 09:22:26 2022
DefaultPlymouth: /usr/share/plymouth/themes/bgrt/bgrt.plymouth
InstallationDate: Installed on 2019-08-17 (948 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190305.1)
MachineType: Dell Inc. XPS 15 9575
ProcCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-23-generic
root=UUID=83cade14-7628-437d-8517-36ad82f00d20 ro quiet splash vt.handoff=7
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-23-generic
root=UUID=83cade14-7628-437d-8517-36ad82f00d20 ro quiet splash vt.handoff=7
SourcePackage: plymouth
TextPlymouth:
/usr/share/plymouth/themes/ubuntu-gnome-text/ubuntu-gnome-text.plymouth
UpgradeStatus: Upgraded to jammy on 2022-03-18 (3 days ago)
dmi.bios.date: 03/25/2021
dmi.bios.release: 1.15
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.15.1
dmi.board.name: 0N338G
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 31
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.15.1:bd03/25/2021:br1.15:svnDellInc.:pnXPS159575:pvr:rvnDellInc.:rn0N338G:rvrA00:cvnDellInc.:ct31:cvr:sku080D:
dmi.product.family: XPS
dmi.product.name: XPS 15 9575
dmi.product.sku: 080D
dmi.sys.vendor: Dell Inc.
** Affects: plymouth (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy wayland-session
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https://bugs.launchpad.net/bugs/1965968
Title:
post jammy update, black/flickering screen on boot
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