Hi Tim
Pretty weird...same stuff !!!
I followed yr advices i.e I started from scratch
1) Formatted almost everything ( execept my external SD )...cache, dalvik, data, sytem...all that has been formated ( I'm using TWRP2.8.1.0 )
3) reinstalled Rom #21
4) reinstalled Gapps
5) reinstalled SuperSU
6) KAT 2.1.0 .apk
In order to avoid potential problems, I did not reinstall all my Apps, but only ES explorer ( to install the .apk ) and Catlog...that's all
I attach the new screenshot and a logcat (partial..
Hope it helps
sent you a PM, will be easier