(In reply to Steffen Winterfeldt from comment #1) > Hm, it says: > > bootloader/mbr_update.rb:20 Stage1: <Bootloader::Stage1 24137560 activate: > false generic_mbr: true devices: ["/dev/sda3"]> > > I wonder if this 'activate: false' is the correct thing. > > Josef? yes, it looks like root of issue as legacy boot is at sda7, but it should be on 3. I have to check logs why it is not proposed to activate it.