On Saturday, 20 July 2024 18:52:33 BST Alan Grimes wrote:
> Because I did everything precisely the same as I did last time I updated
> my kernel, nothing worked. =|
> 
> Basically the old .config is coppied to the new kernel, and I run it
> with "make -j 60 ; make install modules_install "

Try it in this order and without missing out the make command for the modules 
part:

make -j 60 ; make modules_install ; make install


> Now there are config changes, I just took the default on all changed
> options.... So far so good,
> 
> I run "grub-mkconfig -o grub.cfg" in the appropriate directory and get
> this garbage:
> 
> Why in the name of the dark lord Baal did grub give different root
> partition ids to the kernels and expect it to work????
> 
> Machine is a very heavy duty workstation and quite ornery to get booted
> in the first place. =\
> 
> 6.8
>          }
>          menuentry 'Gentoo GNU/Linux, with Linux 6.8.9-x86_64' --class
> gentoo --class gnu-linux --class gnu --class os $menuentry_id_option
> 'gnulinux-6.8.9-x86_64-advanced-d218b1>
>                  load_video
>                  if [ "x$grub_platform" = xefi ]; then
>                          set gfxpayload=keep
>                  fi
>                  insmod gzio
>                  insmod part_gpt
>                  insmod fat
>                  search --no-floppy --fs-uuid --set=root BD38-02F6
>                  echo    'Loading Linux 6.8.9-x86_64 ...'
>                  linux   /vmlinuz-6.8.9-x86_64
> root=UUID=d218b143-ba28-4614-b2c8-e93bb8614207 ro
>                  echo    'Loading initial ramdisk ...'
>                  initrd  /amd-uc.img /initramfs-6.8.9-x86_64.img
>          }
> 
> 6.9:
>   {
>          load_video
>          if [ "x$grub_platform" = xefi ]; then
>                  set gfxpayload=keep
>          fi
>          insmod gzio
>          insmod part_gpt
>          insmod fat
>          search --no-floppy --fs-uuid --set=root BD38-02F6
>          echo    'Loading Linux 6.9.9-x86_64 ...'
>          linux   /vmlinuz-6.9.9-x86_64
> root=PARTUUID=241cc598-140f-42b5-9939-974db55c63e5 ro
>          echo    'Loading initial ramdisk ...'
>          initrd  /amd-uc.img
> }