This should have been a new thread instead of continuing from the other
huge one.
On 9/30/25 10:45 PM, Jon LaBadie wrote:
Since a large recent update I'm unable to reboot.
Selecting any of the rescue or 5 retained kernels fails.
After making the choice the screen clears to black with
a single underscore and no further activity.
How long did you wait?
Did you try pressing ESC?
Whether this had any effect I don't know, but during the
update (including kernel 6.16.8-200) a disk drive from
a defunct CentOS-7 system was mounted. The boot dir there
was noted and my grub menu included Fedora and CentOS.
Some of what I've tried:
- Booted a live F42 system and did an fsck on every file
system. Nothing except "optimizing" type messages.
- From the live system mounted the root, var, boot, and efi
system and chroot'ed to that environment. Ran grub2-mkconfig.
Got rid of the CentOS stuff in the grub menu but still no
boot.
- As above, remade the initramfs with dracut but no change.
What is the kernel command line in the grub config file?
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