I have hit this bug as well. Please let me know if there is any information I can provide.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1933716 Title: Black screen on boot after stable update Status in linux package in Ubuntu: New Bug description: After kernel update from 5.11.0-18-generic to 5.11.0-22-generic system boots into black screen. ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: linux-image-5.11.0-18-generic 5.11.0-18.19 ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17 Uname: Linux 5.11.0-18-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: marcin 1374 F.... pulseaudio CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Sat Jun 26 11:55:00 2021 InstallationDate: Installed on 2021-05-02 (55 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) MachineType: HP HP Pavilion Laptop 15-eg0xxx ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-18-generic root=UUID=9625a19f-eeea-4a92-ab4b-1549d4950f3b ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.11.0-18-generic N/A linux-backports-modules-5.11.0-18-generic N/A linux-firmware 1.197 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/17/2021 dmi.bios.release: 15.12 dmi.bios.vendor: Insyde dmi.bios.version: F.12 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: 87CB dmi.board.vendor: HP dmi.board.version: 34.27 dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 34.27 dmi.modalias: dmi:bvnInsyde:bvrF.12:bd03/17/2021:br15.12:efr34.27:svnHP:pnHPPavilionLaptop15-eg0xxx:pvrType1ProductConfigId:rvnHP:rn87CB:rvr34.27:cvnHP:ct10:cvrChassisVersion: dmi.product.family: 103C_5335KV HP Pavilion dmi.product.name: HP Pavilion Laptop 15-eg0xxx dmi.product.sku: 2Q2T4EA#AKD dmi.product.version: Type1ProductConfigId dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1933716/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp