Am Montag, den 24.08.2015, 10:28 +0200 schrieb Giorgio Valocchi: > The problem was that the nvram entry wasn't properly created under > sid. > > I managed to login in a stable distribution I have on the same system > to > create it.
In that case it would be a bug either in efibootmgr or the Linux Kernel. grub-install just calls efibootmgr to create the entry