On 12/6/19 1:52 PM, Robert McBroom via users wrote:
On 12/6/19 2:06 AM, Anthony F McInerney wrote:
On Thu, 5 Dec 2019 at 19:04, Samuel Sieb <samuel@xxxxxxxx
<mailto: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.
If this is an old install, you might need to update the bootloader bits
that are stored in the mbr. It might too old to support BLS. That's
why if it's not an EFI system, you should run grub2-install to make sure
it's up to date.
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