[Bug 1975388] Re: upgrade from 18.04 to 20.04 while on rollbacked kernel 4.15-0-177 - package grub-efi-amd64-signed 1.167.2+2.04-1ubuntu44.2 failed to install/upgrade: installed grub-efi-amd64-signed

Agree with the comment and this particular update process is likely acting as expected since an unsigned kernel was found. However, just to set the context right - I didn't install the unsigned kernel. I rolled back kernel 4.15-0-177 to work around Bug #1973482, using apt remove and it

[Bug 1975388] [NEW] upgrade from 18.04 to 20.04 while on rollbacked kernel 4.15-0-177 - package grub-efi-amd64-signed 1.167.2+2.04-1ubuntu44.2 failed to install/upgrade: installed grub-efi-amd64-signe

Public bug reported: Dell XPS 15 9570. Dual boot with Windows 10. Linux was on 18.04 when attempting to upgrade to 20.04. Had previously installed kernel 4.15-0-177 which was rolled back to working kernel 4.15-0-175 due to issues already reported in Bug #1973482. Due to rollback, there was an