all you heard is bullshit. no errors at all.
notroll is very overpopulated, simply loosing your hasharate on not providing work fast enough. with coinotron down and netwok hashrate skyrocketing every single one litecoin pool is loosing 10-20% hashrate. only difference is burnside ozcoin ltcmine.ru pool-x are showing right hashrate and a lot of stales, while notroll simply shows 15% lower hashrate. i believe its due to stratum protocol.
im 100% on that, because i can get 99,98% on GETWORK!! on 2 NVC pools and even better on coinotron[when it was up] on THE SAME SETTINGS.
its just not enough pools, notroll is still the best for now,
it reports my 5500kh as 4500-4700 , so i lost about 15-18% power, its drastic but still there is no one better for now.