Yes, I tweaked grub default colors some months ago so I've probably messed up this file (instead of working on linked file!). Removed it manually and update-alternatives completed succesfully.
You're right is not a plymouth bug, it was me not remembering what I've done! Thanks a lot for your support. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/788138 Title: group default.plymouth is broken -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
