This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1982479
Title:
Latest kernel breaks LCD screen
Status in linux package in Ubuntu:
Confirmed
Bug description:
Hi,
I just installed Lubuntu 22.04 on a brandnew notebook, and everything
was working well until rebooting after update:
Both the boot splash and the X11 screens are jumping and appear
instable afer a few seconds, as out of sync and running through. It
absolutely looks like a hardware problem like a broken LCD connector
cable, but it isn't: booting fresh from the Lubuntu usb stick and
evernything works. I have a second machine, exactly same model and
installation procedure, which was working well for some weeks and had
exactly the same problem after upgrading.
disabling the boot splash did not help.
But booting into the older vmlinuz-5.15.0-25-generic , that came with
the Lubuntu installation iso file, instead of the latest
vmlinuz-5.15.0-41-generic solved the problem. With the older kernel,
everything is stable and fine.
So between the 25 and the 41 revision of the kernel there came
something in which reliably breaks the screen configuration on both my
two notebooks of identical hardware.
Both the X11 login screen and the desktop do work normally for about
five seconds and then start running through like one of these old days
analog screens when out of sync or a cable not plugged in correctly.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-41-generic 5.15.0-41.44
ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
Uname: Linux 5.15.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: hadmut 1857 F.... pulseaudio
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: LXQt
Date: Thu Jul 21 12:28:31 2022
InstallationDate: Installed on 2022-07-20 (0 days ago)
InstallationMedia: Lubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64
(20220419)
Lsusb:
Bus 002 Device 002: ID 0bda:8153 Realtek Semiconductor Corp. RTL8153 Gigabit
Ethernet Adapter
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0aaa Intel Corp. Bluetooth 9460/9560 Jefferson
Peak (JfP)
Bus 001 Device 002: ID 0c45:6321 Microdia HP Integrated Webcam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: MEDION E3223
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-25-generic
root=UUID=ab20c954-2973-48a4-a73c-491b5bdeddc2 ro quiet
cryptdevice=UUID=abc35d02-7e06-4152-b214-01f17a4740bb:luks-abc35d02-7e06-4152-b214-01f17a4740bb
root=/dev/mapper/luks-abc35d02-7e06-4152-b214-01f17a4740bb nosplash
RelatedPackageVersions:
linux-restricted-modules-5.15.0-25-generic N/A
linux-backports-modules-5.15.0-25-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3.2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/13/2021
dmi.bios.release: 5.13
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: GeminiLake_YS13GR_V3.0.2
dmi.board.asset.tag: Default string
dmi.board.name: YS13GR
dmi.board.vendor: MEDION
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 31
dmi.chassis.vendor: MEDION
dmi.chassis.version: GD7387P
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrGeminiLake_YS13GR_V3.0.2:bd09/13/2021:br5.13:svnMEDION:pnE3223:pvrELAN:rvnMEDION:rnYS13GR:rvrDefaultstring:cvnMEDION:ct31:cvrGD7387P:skuML-24100630032549:
dmi.product.family: Akoya
dmi.product.name: E3223
dmi.product.sku: ML-241006 30032549
dmi.product.version: ELAN
dmi.sys.vendor: MEDION
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