I think you are seeing a different problem than I was. Mine was not even getting to log anything until I moved to the new devicetree.You are obviously getting further than I was so I doubt we are seeing the same thing.
As for the new devicetree the post by 9600 has a link in it to another page where there is a link that will eventually get you to this:
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If you download this it will give you the new devicetree.