The other thing I changed was move to wayland, due to an unrelated
problem, so maybe that was the fix? Anyway, end result is the same, the
flickering is gone.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/2018448
Title:
Flickering screen on lenovo x1 carbon 10th, fault errors in dmesg
Status in linux package in Ubuntu:
Fix Released
Bug description:
Hi,
in lunar (haven't tried others yet), the laptop screen flickers every few
minutes, and I get these errors in dmesg when that happens:
[qui mai 4 22:07:56 2023] i915 0000:00:02.0: [drm] *ERROR* Fault errors on
pipe A: 0x00000080
[qui mai 4 22:07:56 2023] i915 0000:00:02.0: [drm] *ERROR* Fault errors on
pipe A: 0x00000080
[qui mai 4 22:07:56 2023] i915 0000:00:02.0: [drm] *ERROR* Fault errors on
pipe A: 0x00000080
googling found some hits, but this one seems promising, as it's
recent, and has the exact same error message:
https://www.spinics.net/lists/intel-gfx/msg317397.html
If that is not applied in the lunar kernel, and someone builds me one
with the patch applied, I can easily try it.
ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: linux-image-6.2.0-20-generic 6.2.0-20.20
ProcVersionSignature: Ubuntu 6.2.0-20.20-generic 6.2.6
Uname: Linux 6.2.0-20-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: andreas 4727 F.... pipewire
andreas 4730 F.... wireplumber
/dev/snd/seq: andreas 4727 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu May 4 07:51:38 2023
MachineType: LENOVO 21CC0093BR
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.2.0-20-generic
root=/dev/mapper/vg0-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.2.0-20-generic N/A
linux-backports-modules-6.2.0-20-generic N/A
linux-firmware 20230323.gitbcdcfbcf-0ubuntu1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 03/02/2023
dmi.bios.release: 1.37
dmi.bios.vendor: LENOVO
dmi.bios.version: N3AET72W (1.37 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21CC0093BR
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76530 WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.18
dmi.modalias:
dmi:bvnLENOVO:bvrN3AET72W(1.37):bd03/02/2023:br1.37:efr1.18:svnLENOVO:pn21CC0093BR:pvrThinkPadX1CarbonGen10:rvnLENOVO:rn21CC0093BR:rvrSDK0T76530WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21CC_BU_Think_FM_ThinkPadX1CarbonGen10:
dmi.product.family: ThinkPad X1 Carbon Gen 10
dmi.product.name: 21CC0093BR
dmi.product.sku: LENOVO_MT_21CC_BU_Think_FM_ThinkPad X1 Carbon Gen 10
dmi.product.version: ThinkPad X1 Carbon Gen 10
dmi.sys.vendor: LENOVO
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