I was going straight from 3.19 (ie., vivid) to 4-1-rc2 so don't know if it is applicable to just that version. I would be surprised if it was.
Regarding booting into utopic - I can try but it will be a while before I can unload my machine to put utopic back.
I was going straight from 3.19 (ie., vivid) to 4-1-rc2 so don't know if it is applicable to just that version. I would be surprised if it was.
Regarding booting into utopic - I can try but it will be a while before I can unload my machine to put utopic back.