** Summary changed:
- plymouth-read-write.service delays boot
+ plymouth-read-write.service delays boot with kernel 6.11.0-26, but not
6.11.0-25
** Also affects: linux-hwe-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Tags added: regression-update
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https://bugs.launchpad.net/bugs/2113484
Title:
plymouth-read-write.service delays boot with kernel 6.11.0-26, but not
6.11.0-25
Status in linux-hwe-6.11 package in Ubuntu:
New
Status in plymouth package in Ubuntu:
New
Bug description:
After a recent upgrade, there is a long delay between entering the LUKS
password and seeing the login screen. Here are the top entries from my
`systemd-analyze blame` when the problem occurs:
1min 29.479s plymouth-read-write.service
7.657s plymouth-quit-wait.service
4.302s fwupd-refresh.service
2.905s NetworkManager-wait-online.service
2.060s snapd.seeded.service
1.959s snapd.service
1.853s boot-efi.mount
1.497s fwupd.service
1.491s gpu-manager.service
1.126s NetworkManager.service
1.050s docker.service
This delay may be related somehow to kernel 6.11.0-26. The above log
is with 6.11.0-26.
If I choose the previous kernel version, 6.11.0-25, my log looks like this:
7.559s plymouth-quit-wait.service
2.804s NetworkManager-wait-online.service
2.340s gpu-manager.service
2.025s snapd.seeded.service
1.932s snapd.service
1.399s boot-efi.mount
1.081s NetworkManager.service
1.073s docker.service
882ms plymouth-read-write.service
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: plymouth 24.004.60-1ubuntu7.1
ProcVersionSignature: Ubuntu 6.11.0-25.25~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-25-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.6
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Jun 7 22:55:09 2025
DefaultPlymouth: /usr/share/plymouth/themes/bgrt/bgrt.plymouth
InstallationDate: Installed on 2024-04-11 (423 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Beta amd64 (20240410.2)
MachineType: LENOVO 82K8
ProcCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-25-generic
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash amd_iommu=off
acpi_backlight=native vt.handoff=7
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=alacritty
XDG_RUNTIME_DIR=<set>
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-25-generic
root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash amd_iommu=off
acpi_backlight=native vt.handoff=7
SourcePackage: plymouth
TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/14/2024
dmi.bios.release: 1.46
dmi.bios.vendor: LENOVO
dmi.bios.version: HACN46WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76461WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion S7 15ACH6
dmi.ec.firmware.release: 1.43
dmi.modalias:
dmi:bvnLENOVO:bvrHACN46WW:bd11/14/2024:br1.46:efr1.43:svnLENOVO:pn82K8:pvrLegionS715ACH6:rvnLENOVO:rnLNVNB161216:rvrSDK0T76461WIN:cvnLENOVO:ct10:cvrLegionS715ACH6:skuLENOVO_MT_82K8_BU_idea_FM_LegionS715ACH6:
dmi.product.family: Legion S7 15ACH6
dmi.product.name: 82K8
dmi.product.sku: LENOVO_MT_82K8_BU_idea_FM_Legion S7 15ACH6
dmi.product.version: Legion S7 15ACH6
dmi.sys.vendor: LENOVO
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