On 31.07.20 04:52, Greg Bailey wrote: m running CentOS 8.2 on an Intel NUC, and also hit this this morning. > The way I was able to workaround this was to copy grub2-* and shim-* > RPMs from the CentOS 8.2 installation media and use "rpm -Uvh grub2-* > shim-* --oldpackage". The subsequent reboot worked normally. The > versions of those packages on the 8.2 installation media was the same as > what I had installed immediately before this morning's upgrade. There is also a a Redhat knowledge base article regarding this issue. https://access.redhat.com/solutions/5272311 Best regards Ulf