systemd console messages at shutdown corrupted by plymouth

Bug #2084952 reported by Tim Richardson
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
plymouth (Ubuntu)
New
Undecided
Unassigned

Bug Description

On shutdown, user can escape splash screen and view console logs with the ESC key.
With the default Ubntu plymouth theme, this breaks rendering of systemd messages, making them unreadable. Other console messages are not affected.

I will upload a screen shot.

This is reported also here by another user:

https://askubuntu.com/q/1526733/152287

removing splash from the kernel command line options in grub stops the problem.

Also, the standard text theme and the ubuntu-text plymouth theme also avoid the problem.
This hints there is something wrong with the default theme, perhaps.

tim@black:~$ apt-cache policy plymouth
plymouth:
  Installed: 24.004.60-1ubuntu7
  Candidate: 24.004.60-1ubuntu7
  Version table:
 *** 24.004.60-1ubuntu7 500
        500 http://archive.ubuntu.com/ubuntu noble/main amd64 Packages
        100 /var/lib/dpkg/status

current workaround:

tim@black:~$ sudo update-alternatives --display default.plymouth
default.plymouth - manual mode
  link best version is /usr/share/plymouth/themes/bgrt/bgrt.plymouth
  link currently points to /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  link default.plymouth is /usr/share/plymouth/themes/default.plymouth
/usr/share/plymouth/themes/bgrt/bgrt.plymouth - priority 110
/usr/share/plymouth/themes/text/text.plymouth - priority 100
/usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth - priority 100

tim@black:~$ cat /etc/plymouth/plymouthd.conf
cat: /etc/plymouth/plymouthd.conf: No such file or directory

tim@black:~$ uname -a
lsb_release -a
Linux black 6.11.0-1006-oem #6-Ubuntu SMP PREEMPT_DYNAMIC Mon Sep 23 11:51:29 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 24.04.1 LTS
Release: 24.04
Codename: noble

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: plymouth 24.004.60-1ubuntu7
ProcVersionSignature: Ubuntu 6.11.0-1006.6-oem 6.11.0
Uname: Linux 6.11.0-1006-oem x86_64
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 19 12:36:43 2024
DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
InstallationDate: Installed on 2023-08-10 (436 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230223)
MachineType: ASUS System Product Name
ProcCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-1006-oem root=UUID=756dca1f-0eb5-440e-a84e-dfa56a27e355 ro splash zswap.enabled=1 zswap.compressor=lz4 zswap.zpool=z3fold mitigations=off vt.handoff=7
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-1006-oem root=UUID=756dca1f-0eb5-440e-a84e-dfa56a27e355 ro splash zswap.enabled=1 zswap.compressor=lz4 zswap.zpool=z3fold mitigations=off vt.handoff=7
SourcePackage: plymouth
TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
UpgradeStatus: Upgraded to noble on 2024-07-16 (95 days ago)
dmi.bios.date: 09/24/2024
dmi.bios.release: 24.3
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2403
dmi.board.asset.tag: Default string
dmi.board.name: ProArt X670E-CREATOR WIFI
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2403:bd09/24/2024:br24.3:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnProArtX670E-CREATORWIFI:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS

Revision history for this message
Tim Richardson (tim-richardson) wrote :
Revision history for this message
Tim Richardson (tim-richardson) wrote :

Screen shot of console when using default plymouth theme and ESC to view messages

Revision history for this message
Tim Richardson (tim-richardson) wrote :
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 2056526, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.

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