Public bug reported: The display goes black at some point after BIOS boot and LUKS prompt, where original boot image is restored alongside Ubuntu's boot bits.
Best shown in a video: https://www.youtube.com/watch?v=YUtlE6YkFuk Dell XPS 9560 ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: plymouth 0.9.4git20200323-0ubuntu5 ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 Uname: Linux 5.4.0-21-generic x86_64 ApportVersion: 2.20.11-0ubuntu24 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CurrentDesktop: Unity Date: Wed Apr 8 14:17:01 2020 DefaultPlymouth: /usr/share/plymouth/themes/bgrt/bgrt.plymouth InstallationDate: Installed on 2019-08-17 (234 days ago) InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416) MachineType: Dell Inc. XPS 15 9560 ProcCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic root=/dev/mapper/vglinux-root ro quiet splash vt.handoff=7 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic root=/dev/mapper/vglinux-root ro quiet splash vt.handoff=7 SourcePackage: plymouth TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth UpgradeStatus: Upgraded to focal on 2020-03-31 (7 days ago) dmi.bios.date: 11/17/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.18.0 dmi.board.name: 05FFDN dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.18.0:bd11/17/2019:svnDellInc.:pnXPS159560:pvr:rvnDellInc.:rn05FFDN:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: XPS dmi.product.name: XPS 15 9560 dmi.product.sku: 07BE dmi.sys.vendor: Dell Inc. ** Affects: plymouth (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal third-party-packages wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871637 Title: [flicker free boot] boot image disappears for a second before LUKS prompt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1871637/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs