As discussed elsewhere, These are warnings, not errors, and the only proposal to resolve this was rejected for solid reasons several years ago with no apparent follow-on attempts to resolve the root cause, there's not much we'll do here.
It was said by Kernel that these are safe to ignore. ** Changed in: linux (Ubuntu) Status: Confirmed => Won't Fix -- 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/1968104 Title: [Ubuntu 22.04] dmesg shows "GPT:Primary header thinks Alt. header is not at the end of the disk" with installing OS in a SW RAID1 disk Status in linux package in Ubuntu: Won't Fix Bug description: After installing OS in a SW RAID1 disk (this disk is created in UEFI setup - via Intel VMD/VROC), the dmesg shows the following GPT messages after the installation and booting into the OS. ----------------------------------------------------------------------------------- [ 8.715400] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 8.716425] GPT:419430399 != 7814037167 [ 8.717422] GPT:Alternate GPT header not at the end of the disk. [ 8.718224] GPT:419430399 != 7814037167 [ 8.719007] GPT: Use GNU Parted to correct GPT errors. ----------------------------------------------------------------------------------- [Note] 1. The issue does not happen when installing OS in a SW RAID0 disk, a SW RAID5 disk or a SW RAID10 disk. 2. Kernel community had the patch submission/discussion about this issue (in 2016): https://lore.kernel.org/lkml/1476699630-127009-1-git-send-email-h...@suse.de/. However, the patch is still pending there due to this feedback: https://lore.kernel.org/lkml/20161018095637.tgdjehscttskq...@ws.net.home/ --- ProblemType: Bug AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Apr 11 02:49 seq crw-rw----+ 1 root audio 116, 33 Apr 11 02:49 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu80 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CasperMD5CheckResult: pass DistroRelease: Ubuntu 22.04 InstallationDate: Installed on 2022-04-11 (0 days ago) InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Daily amd64 (20220405) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 04b3:4010 IBM Corp. XClarity Controller Bus 001 Device 007: ID 17ef:b000 Lenovo Virtual Keyboard and Mouse Bus 001 Device 002: ID 2a4b:0400 EMULEX Corporation Pilot4 Integrated Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Lenovo ThinkSystem SR650 V2 MB Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=screen PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 mgag200drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-23-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro ProcVersionSignature: Ubuntu 5.15.0-23.23-generic 5.15.27 RelatedPackageVersions: linux-restricted-modules-5.15.0-23-generic N/A linux-backports-modules-5.15.0-23-generic N/A linux-firmware 20220329.git681281e4-0ubuntu1 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: jammy uec-images Uname: Linux 5.15.0-23-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lxd plugdev sudo _MarkForUpload: True dmi.bios.date: 02/16/2022 dmi.bios.release: 1.30 dmi.bios.vendor: Lenovo dmi.bios.version: AFE117C-1.30 dmi.board.asset.tag: none dmi.board.name: 7Z72A001WW dmi.board.vendor: Lenovo dmi.board.version: 04 dmi.chassis.asset.tag: none dmi.chassis.type: 23 dmi.chassis.vendor: Lenovo dmi.chassis.version: none dmi.ec.firmware.release: 1.80 dmi.modalias: dmi:bvnLenovo:bvrAFE117C-1.30:bd02/16/2022:br1.30:efr1.80:svnLenovo:pnThinkSystemSR650V2MB:pvr04:rvnLenovo:rn7Z72A001WW:rvr04:cvnLenovo:ct23:cvrnone:sku7Z72A001WW: dmi.product.family: ThinkSystem dmi.product.name: ThinkSystem SR650 V2 MB dmi.product.sku: 7Z72A001WW dmi.product.version: 04 dmi.sys.vendor: Lenovo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1968104/+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