Solved. I noted that in my various ... sudo update-grub attempts, there was continous mention of grub not being able to be found etc
So, i copied and pasted the grub conditions from a known good pc with the same OS and version to this pc with the problem,,,,,,and low and behold, all is good again !!!!! Theb resultof running update-grub now looks like: te@te-desktop:~$ sudo update-grub [sudo] password for te: Sourcing file `/etc/default/grub' Sourcing file `/etc/default/grub.d/50_linuxmint.cfg' Sourcing file `/etc/default/grub.d/init-select.cfg' Generating grub configuration file ... Found linux image: /boot/vmlinuz-5.15.0-60-generic Found initrd image: /boot/initrd.img-5.15.0-60-generic Found linux image: /boot/vmlinuz-5.15.0-58-generic Found initrd image: /boot/initrd.img-5.15.0-58-generic Found linux image: /boot/vmlinuz-5.15.0-56-generic Found initrd image: /boot/initrd.img-5.15.0-56-generic Warning: os-prober will be executed to detect other bootable partitions. Its output will be used to detect bootable binaries on them and create new boot entries. Adding boot menu entry for UEFI Firmware Settings ... done te@te-desktop:~$ It survives reboots and complete shutdowns. ** Summary changed: - errors processing kernel update to 5.15.0-60 + errors processing kernel update to 5.15.0-60...SOLVED -- 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/2006774 Title: errors processing kernel update to 5.15.0-60...SOLVED Status in linux package in Ubuntu: Confirmed Bug description: E: grub-pc: installed grub-pc package post-installation script subprocess returned error exit status 127 E: linux-image-5.15.0-60-generic: installed linux-image-5.15.0-60-generic package post-installation script subprocess returned error exit status 1 kernel update to 5.15.0-60 did not install properly on a fresh install errors above cat /proc/version_signature > version.log ....no output sudo lspci -vnvn > lspci-vnvn.log ..... te@te-desktop:~$ sudo lspci -vnvn > lspci-vnvn.log [sudo] password for te: pcilib: sysfs_read_vpd: read failed: No such device te@te-desktop:~$ LM21.1 (Cinnamon) I expected a smooth install of the updated kernel I got errors --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu82.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: te 877 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: X-Cinnamon DistroRelease: Linux Mint 21.1 InstallationDate: Installed on 2023-02-04 (5 days ago) InstallationMedia: Linux Mint 21.1 "Vera" - Release amd64 20221217 IwConfig: lo no wireless extensions. enp2s0 no wireless extensions. Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 006: ID 05d5:0624 Super Gate Technology Co., Ltd Multimedia keyboard Bus 001 Device 007: ID 046d:c077 Logitech, Inc. M105 Optical Mouse Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Lsusb-t: /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 480M |__ Port 9: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M |__ Port 9: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M |__ Port 10: Dev 7, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair Package: linux (not installed) ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-58-generic root=UUID=b2221151-c528-47d4-984a-56c507a6d0d9 ro quiet splash ProcVersionSignature: Ubuntu 5.15.0-58.64-generic 5.15.74 RelatedPackageVersions: linux-restricted-modules-5.15.0-58-generic N/A linux-backports-modules-5.15.0-58-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.9 RfKill: Tags: vera Uname: Linux 5.15.0-58-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/25/2016 dmi.bios.release: 5.11 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.40 dmi.board.name: H110M-DGS dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.40:bd01/25/2016:br5.11:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH110M-DGS:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: To Be Filled By O.E.M. dmi.product.sku: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2006774/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
