I was mining with stratum activated 5 hours ago withouth problems... i don't think that the "Longpool" was the problem... you can see my graphs a day... is happening other thing but i don't know what is... this is a hell T_T
http://192.162.112.138:8109/static/graphs.html?Day --> CTRL + F --> CGjYaEvJFxLDfgMX7vm7v7vq17p9DbVTp3 (that is my graph... and no is normal...)