How do I install compiled latest Gentoo kernel

My linode computing instance is working fine (Gentoo distribution, Gentoo installation profile (profile-config show) is "[1] default/linux/amd/17.1 (stable) *"

My current kernel (uname …) is 6.1.32.
OK, I'd like to update it to the latest (6.6.52-gentoo) but was unsuccessful so far.

  • did, compile, etc, all stuff that works on my home PC, Gentoo
  • contacted linode Customer Support, but finally ended up with "Community"

The problem is kernel panic, so I can get back to my working instance with rescue, etc.

Kernel panic:
Unable to mount root fs on unknown-block(0,0)
Hardware name: Linode Compute Instance, BIOS Not Specified
[ end Kernel panice - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]

The only difference I see from my home PC and linode are
(a) make install complains about Lilo, and does not put initramfs into boot
(b) my home PC /etc/portage/make.conf has a line GRUB_PLATFORM="efi-64", and my linode does not have /boot/efi directory

Any ideas, suggestions - Janos

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