[CentOS] Boot failed on latest CentOS 7 update

Sun Aug 2 23:42:07 UTC 2020
Leon Fauster <leonfauster at googlemail.com>

Am 02.08.20 um 04:15 schrieb Kay Schenk:
> Questions re this statement in the ZDNET article --
> "In all cases, users reported that downgrading systems to a previous
> release to reverse the BootHole patches usually fixed their problems."
>   A previous release of what? GRUB2
> So that's my first question.

There are some canonical packages - the combination/grouping is important.


Furthermore the corresponding shim and kernel rpms should be installed 
together (or the kernel should be reinstalled)


> Second. I'm assuming the the muti-screen UEFI settings I see are standard
> for more recent BIOS -- not sure of version. Do we have any guidance for
> that?
> If it is the case that a downgrade to previous grub2 can fix the problem --
> and not latest kernel? Does this matter? -- maybe booting from your chosen
> "rescue" option AND reinstalling older grub (somehow) can get us further
> along.