Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: plymouth (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1873587
Title:
[Ice Lake] Display flickers a lot during plymouth boot animations
Status in linux package in Ubuntu:
Confirmed
Status in plymouth package in Ubuntu:
Confirmed
Bug description:
After going forward from grub, the display flickers a lot, continuing
it throughout the boot and even in GDM. The display flickers a few
times in the desktop, and after that, the flickering goes away.
So this is mainly a cosmetic thing as the flickering stops after
logging in and waiting for a bit. I have attached a video to this bug
report showing the whole process from the boot.
I use Lenovo Yoga S740 with Intel Core i7-1065G7 and Intel Iris
graphics (10th generation). I have not done any customizations to the
installation after updating to 20.04 from 19.10 a couple of weeks ago.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: plymouth 0.9.4git20200323-0ubuntu6
ProcVersionSignature: Ubuntu 5.4.0-24.28-generic 5.4.30
Uname: Linux 5.4.0-24-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 18 21:43:41 2020
DefaultPlymouth: /usr/share/plymouth/themes/bgrt/bgrt.plymouth
InstallationDate: Installed on 2019-11-19 (150 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: LENOVO 81RS
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-24-generic
root=UUID=101c7da4-860d-4496-ae06-d98699795f9a ro quiet splash vt.handoff=7
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-24-generic
root=UUID=101c7da4-860d-4496-ae06-d98699795f9a ro quiet splash vt.handoff=7
SourcePackage: plymouth
TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
UpgradeStatus: Upgraded to focal on 2020-04-04 (14 days ago)
dmi.bios.date: 03/10/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: BYCN33WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Yoga S740-14IIL
dmi.modalias:
dmi:bvnLENOVO:bvrBYCN33WW:bd03/10/2020:svnLENOVO:pn81RS:pvrLenovoYogaS740-14IIL:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoYogaS740-14IIL:
dmi.product.family: Yoga S740-14IIL
dmi.product.name: 81RS
dmi.product.sku: LENOVO_MT_81RS_BU_idea_FM_Yoga S740-14IIL
dmi.product.version: Lenovo Yoga S740-14IIL
dmi.sys.vendor: LENOVO
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