Re: Grub.cfg not updating

Robert McBroom via users <users@xxxxxxxxxxxxxxxxxxxxxxx> · Fri, 6 Dec 2019 16:52:01 -0500



    On 12/6/19 2:06 AM, Anthony F McInerney
      wrote:

    
          On Thu, 5 Dec 2019 at 19:04,
            Samuel Sieb <samuel@xxxxxxxx> wrote:

          
          On 12/5/19 8:02 AM,
            Robert McBroom via users wrote:

            > Updated from Fedora 29 to 31 on a legacy system. 
            Kernel updates no 

            > longer update grub.cfg to the new kernel.  Ran
            grub2-mkconfig -o 

            > /boot/grub2/grub.cfg which finds Windows and Centos 6
            but none of the 

            > Fedora kernels.  /boot is in its own partition and the
            Centos kernels 

            > are in the Centos partition on a second drive. A backup
            of windows 7 on 

            > a usb drive is even found by os-prober. Everything
            these days seems to 

            > point to uefi systems.

            
            grub has been switched to use BLS.  Check if you have files
            in 

            /boot/loader/entries/.

            
          That's interesting. First i've heard of BLS. 
          It would seem that runs into a known issue
          https://bugzilla.redhat.com/show_bug.cgi?id=1652806
          And the way tl;dr is "on BIOS systems you have to run 'grub2-install /dev/sdX'
          

    Not installing grub, getting grub to recognize system entries.

  
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