On Fri, Jun 28, 2024 at 2:10 PM Frank Bures <buresf@xxxxxxxxx> wrote: > > On 2024-06-23 11:43, Frank Bures wrote: > > On 2024-06-23 04:29, Tim wrote: > > > I followed > > > > https://fedoraproject.org/wiki/GRUB_2?rd=Grub2#Updating_GRUB_2_configuration_on_UEFI_systems > > > > and then I tried to run > > grub2-emu > > > > I get the list of installed kernels OK, but any choice for boot returns > > > > error: ../../grub-core/loader/emu/linux.c:319:cannot find kernel file > > /vmlinuz-6.9.4-200.fc40.x86_64. > > > > and the same error for initramfs. Please note the dot at the end of the > > line, is it normal? > > > > No matter which kernel I choose, I get the error that kernel file was not > > found. All kernel files are in /boot and have correct permissions. > > As a general warning only: > > Never, I mean NEVER try to dd the boot disk to another permanently > connected disk in a machine. The existence of two identical UUIDs in the > same machine created all kinds of problems, one of those exhibited itself > as described in this thread. But that was just the beginning. > > Actually I ended up trying changing the UUID on /dev/sga that somehow > changed the UUID on /dev/sda by itself. Even after wiping the sdg, blkid > still reported an alive msdos partition, no matter how invisible in > gparted. It behaved like quantum entanglement :-). > > I had to wipe the disk completely and then remove all mentions of sdg* in > /dev to free myself of this mess. > > After repairing /boot and /boot/efi, subsequent reboot worked normally. > > Very painful experience, suffice to say. Never again! Lol... quantum entanglement. Another one to avoid: cheap SSDs with duplicate serial numbers. Some manufacturers repeat (clone?) serial numbers, and when you try to use them in a RAID configuration, things go badly. A fellow on a Ubuntu list struggled for months because of it. Jeff -- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue