Below is the output produced by Grubby and grub2-mkconfig that shows it is not correctly generating the entry for Ubuntu. Unlike the entry for Windows the process has not generated the Ubuntu entry to boot via the UEFI partition it seems to be booting directly off the hard disk, which actually boots Ubuntu fine, how I don't know as Ubuntu is installed via UEFI. It wasn't until I upgraded the version of Ubuntu and my motherboard switched from booting into the Fedora grub menus to booting into the Ubuntu grub menus, it because apparent that the relevant component of grub was not doing things correctly, as booting from the Ubuntu generated Fedora entry did not boot Fedora but produced SHIM failure errors. Am I mis-reading these processes?
>>> Running post-transaction scriptlet: kernel-core-0:6.11.10-300.fc41.x86_641.x86_64
>>> Finished post-transaction scriptlet: kernel-core-0:6.11.10-300.fc41.x86_64
>>> Scriptlet output:
>>> Generating grub configuration file ...
>>> Found linux image: /boot/vmlinuz-6.11.10-300.fc41.x86_64
>>> Found linux image: /boot/vmlinuz-6.11.8-300.fc41.x86_64
>>> Found initrd image: /boot/initramfs-6.11.8-300.fc41.x86_64.img
>>> Found linux image: /boot/vmlinuz-6.11.7-300.fc41.x86_64
>>> Found initrd image: /boot/initramfs-6.11.7-300.fc41.x86_64.img
>>> Found Windows Boot Manager on /dev/sdc2@/EFI/Microsoft/Boot/bootmgfw.efi
>>> Found Ubuntu 24.04.1 LTS (24.04) on /dev/sde1
>>> Adding boot menu entry for UEFI Firmware Settings ...
>>> done
>>>
Complete!ng trigger-post-uninstall scriptlet: systemd-0:256.8-1.fc41.x86_64c41.x86_64h
steve@fedora:~$ sudo grub2-mkconfig -o /boot/grub2/grub.cfg
[sudo] password for steve:
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-6.11.10-300.fc41.x86_64
Found initrd image: /boot/initramfs-6.11.10-300.fc41.x86_64.img
Found linux image: /boot/vmlinuz-6.11.8-300.fc41.x86_64
Found initrd image: /boot/initramfs-6.11.8-300.fc41.x86_64.img
Found linux image: /boot/vmlinuz-6.11.7-300.fc41.x86_64
Found initrd image: /boot/initramfs-6.11.7-300.fc41.x86_64.img
Found Windows Boot Manager on /dev/sdc2@/EFI/Microsoft/Boot/bootmgfw.efi
Found Ubuntu 24.04.1 LTS (24.04) on /dev/sde1
Adding boot menu entry for UEFI Firmware Settings ...
done
### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows Boot Manager (on /dev/sdc2)' --class windows --class os $menuentry_id_option 'osprober-efi-8D36-9D75' {
insmod part_gpt
insmod fat
set root='hd2,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd2,gpt2 --hint-efi=hd2,gpt2 --hint-baremetal=ahci2,gpt2 8D36-9D75
else
search --no-floppy --fs-uuid --set=root 8D36-9D75
fi
chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}
menuentry 'Ubuntu 24.04.1 LTS (24.04) (on /dev/sde1)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-be8eb9ac-31b9-4493-b6e0-4a69f
119fcd6' {
insmod part_gpt
insmod ext2
set root='hd2,gpt7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd2,gpt7 --hint-efi=hd2,gpt7 --hint-baremetal=ahci2,gpt7 c88248f9-3684-4701-b684-d6e99139c13c
else
search --no-floppy --fs-uuid --set=root c88248f9-3684-4701-b684-d6e99139c13c
fi
linux /vmlinuz-6.8.0-45-generic root=UUID=be8eb9ac-31b9-4493-b6e0-4a69f119fcd6 ro quiet splash $vt_handoff
initrd /initrd.img-6.8.0-45-generic
}
regards,
Steve
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