[Lenovo ThinkPad X260] Random screen blanks with "CPU pipe B FIFO underrun" error
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
On a clean 22.04 install, the screen randomly blanks once in a while for a couple of seconds, then comes back.
I see the following message in dmesg when it happens:
[ 6614.338572] i915 0000:00:02.0: [drm] *ERROR* CPU pipe B FIFO underrun
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-
ProcVersionSign
Uname: Linux 5.15.0-23-generic x86_64
NonfreeKernelMo
ApportVersion: 2.20.11-0ubuntu80
Architecture: amd64
CasperMD5CheckR
CurrentDesktop: GNOME
Date: Mon Apr 4 10:16:27 2022
InstallationDate: Installed on 2022-04-03 (0 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220329.1)
MachineType: LENOVO 20F6CTO1WW
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 20220329.
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/08/2019
dmi.bios.release: 1.44
dmi.bios.vendor: LENOVO
dmi.bios.version: R02ET71W (1.44 )
dmi.board.
dmi.board.name: 20F6CTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.ec.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.family: ThinkPad X260
dmi.product.name: 20F6CTO1WW
dmi.product.sku: LENOVO_
dmi.product.
dmi.sys.vendor: LENOVO
tags: | added: rls-jj-incoming |
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