I haven't encountered the issue anymore in months, so I guess whatever it was, has been fixed. The bug can be closed
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.15 in Ubuntu. https://bugs.launchpad.net/bugs/1983108 Title: [nouveau] watchdog: BUG: soft lockup - CPU#0 stuck for ... [plymouthd:371] Status in linux-hwe-5.15 package in Ubuntu: New Bug description: It caused my pc to get stuck during boot time. At rebooting, all worked fine ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: plymouth 0.9.4git20200323-0ubuntu6.2 ProcVersionSignature: Ubuntu 5.15.0-41.44~20.04.1-generic 5.15.39 Uname: Linux 5.15.0-41-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.24 Architecture: amd64 BootLog: Error: [Errno 13] Permesso negato: '/var/log/boot.log' CasperMD5CheckResult: skip CurrentDesktop: XFCE Date: Fri Jul 29 16:13:04 2022 DefaultPlymouth: /usr/share/plymouth/themes/xubuntu-logo/xubuntu-logo.plymouth InstallationDate: Installed on 2020-10-02 (664 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) MachineType: System manufacturer System Product Name ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-41-generic root=UUID=ec6d1b78-08d0-4212-889f-df1909dbc8fa ro quiet splash ProcFB: 0 nouveaudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-41-generic root=UUID=ec6d1b78-08d0-4212-889f-df1909dbc8fa ro quiet splash SourcePackage: plymouth TextPlymouth: /usr/share/plymouth/themes/xubuntu-text/xubuntu-text.plymouth UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/20/2009 dmi.bios.release: 4.8 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0408 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P5QL/EPU dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0408:bd07/20/2009:br4.8:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QL/EPU:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:skuToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: System Product Name dmi.product.sku: To Be Filled By O.E.M. dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.15/+bug/1983108/+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