Ubuntu
cryptsetup package

  1. Bug #1979159
  2. Comment #56

Comment 56 for bug 1979159

Revision history for this message
Matthias Haller (ebby) wrote :

I had the same problem with my focal system. The computer ran for a few days and meanwhile updates were installed. After a reboot, my password for the root partition was no longer accepted.

The solution that worked for me was to convert the LUKS header to version 2.
It worked with these instructions: https://gist.github.com/Edu4rdSHL/8f97eb1bab454fb2b348f1167cee7cd2