Public bug reported:
Kernel 6.8.0-40 causes frequent screen flickering in Ubuntu 22.04 to the
point of making it unusable. Screen flickering goes away when the kernel
is rolled back to 6.5.0-45.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.8.0-40-generic 6.8.0-40.40~22.04.3
ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
Uname: Linux 6.8.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: GNOME
Date: Mon Sep 16 10:23:17 2024
InstallationDate: Installed on 2023-07-16 (427 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64
(20230223)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-hwe-6.8
UpgradeStatus: No upgrade log present (probably fresh install)
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/seq: nilesh 2629 F.... pipewire
/dev/snd/controlC0: nilesh 2631 F.... wireplumber
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: GNOME
DistroRelease: Ubuntu 22.04
InstallationDate: Installed on 2023-07-16 (427 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64
(20230223)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
Bus 001 Device 002: ID 5986:0711 Acer, Inc EasyCamera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 80SA
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-40-generic
root=UUID=bb20bde2-de66-4eea-bd8a-be94bba37fdc ro quiet splash loglevel=3
vt.handoff=7
ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.8.0-40-generic N/A
linux-backports-modules-6.8.0-40-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3.31
Tags: wayland-session jammy
Uname: Linux 6.8.0-40-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dip kvm libvirt lpadmin lxd plugdev sambashare sudo
video
_MarkForUpload: True
dmi.bios.date: 09/26/2016
dmi.bios.release: 1.22
dmi.bios.vendor: LENOVO
dmi.bios.version: 0VCN22WW(V1.06)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo ideapad F
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 ideapad FLEX 4-1470
dmi.ec.firmware.release: 1.22
dmi.modalias:
dmi:bvnLENOVO:bvr0VCN22WW(V1.06):bd09/26/2016:br1.22:efr1.22:svnLENOVO:pn80SA:pvrLenovoideapadFLEX4-1470:rvnLENOVO:rnLenovoideapadF:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoideapadFLEX4-1470:skuLENOVO_MT_80SA_BU_idea_FM_LenovoideapadFLEX4-1470:
dmi.product.family: IDEAPAD
dmi.product.name: 80SA
dmi.product.sku: LENOVO_MT_80SA_BU_idea_FM_Lenovo ideapad FLEX 4-1470
dmi.product.version: Lenovo ideapad FLEX 4-1470
dmi.sys.vendor: LENOVO
** Affects: linux-signed-hwe-6.8 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug apport-collected jammy wayland-session
** Tags added: apport-collected
** Description changed:
Kernel 6.8.0-40 causes frequent screen flickering in Ubuntu 22.04 to the
point of making it unusable. Screen flickering goes away when the kernel
is rolled back to 6.5.0-45.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.8.0-40-generic 6.8.0-40.40~22.04.3
ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
Uname: Linux 6.8.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: GNOME
Date: Mon Sep 16 10:23:17 2024
InstallationDate: Installed on 2023-07-16 (427 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64
(20230223)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-hwe-6.8
UpgradeStatus: No upgrade log present (probably fresh install)
+ ---
+ ProblemType: Bug
+ ApportVersion: 2.20.11-0ubuntu82.6
+ Architecture: amd64
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/seq: nilesh 2629 F.... pipewire
+ /dev/snd/controlC0: nilesh 2631 F.... wireplumber
+ CRDA: N/A
+ CasperMD5CheckResult: pass
+ CurrentDesktop: GNOME
+ DistroRelease: Ubuntu 22.04
+ InstallationDate: Installed on 2023-07-16 (427 days ago)
+ InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64
(20230223)
+ Lsusb:
+ Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+ Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
+ Bus 001 Device 002: ID 5986:0711 Acer, Inc EasyCamera
+ Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ MachineType: LENOVO 80SA
+ Package: linux (not installed)
+ ProcEnviron:
+ TERM=xterm-256color
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
+ ProcFB: 0 i915drmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-40-generic
root=UUID=bb20bde2-de66-4eea-bd8a-be94bba37fdc ro quiet splash loglevel=3
vt.handoff=7
+ ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
+ PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
+ RelatedPackageVersions:
+ linux-restricted-modules-6.8.0-40-generic N/A
+ linux-backports-modules-6.8.0-40-generic N/A
+ linux-firmware 20220329.git681281e4-0ubuntu3.31
+ Tags: wayland-session jammy
+ Uname: Linux 6.8.0-40-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm audio cdrom dip kvm libvirt lpadmin lxd plugdev sambashare
sudo video
+ _MarkForUpload: True
+ dmi.bios.date: 09/26/2016
+ dmi.bios.release: 1.22
+ dmi.bios.vendor: LENOVO
+ dmi.bios.version: 0VCN22WW(V1.06)
+ dmi.board.asset.tag: NO Asset Tag
+ dmi.board.name: Lenovo ideapad F
+ 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 ideapad FLEX 4-1470
+ dmi.ec.firmware.release: 1.22
+ dmi.modalias:
dmi:bvnLENOVO:bvr0VCN22WW(V1.06):bd09/26/2016:br1.22:efr1.22:svnLENOVO:pn80SA:pvrLenovoideapadFLEX4-1470:rvnLENOVO:rnLenovoideapadF:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoideapadFLEX4-1470:skuLENOVO_MT_80SA_BU_idea_FM_LenovoideapadFLEX4-1470:
+ dmi.product.family: IDEAPAD
+ dmi.product.name: 80SA
+ dmi.product.sku: LENOVO_MT_80SA_BU_idea_FM_Lenovo ideapad FLEX 4-1470
+ dmi.product.version: Lenovo ideapad FLEX 4-1470
+ dmi.sys.vendor: LENOVO
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https://bugs.launchpad.net/bugs/2080860
Title:
Kernel 6.8.0-40 causes frequent screen flickering in Ubuntu 22.04
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