At DW00 Wardy explained to me that if the front tire is climbing out of the inside of the rut in a turn, you're not going fast enough for the angle you've leaned the bike. Speed up.
If the front tire is climbing out to the outside of the berm, you're not leaned over enough for your speed. Lean the bike down more.
Notice that the fixes are to either speed up or lean the bike more, not to slow down or be more upright.
If your front end is washing out on fairly flat turns, you need to get your weight farther forward. A common mistake is to become hesitant and anxious about the front end washing out so you put yourself farther away from the front which makes it even more likely to happen.