I'm not good at this part, but one korean developer(jijonheyoni, galaxy s2 korean varient dev) said that this problem can be caused because kernel's library and platform library is not corresponding.....(I'm just translating..
Sent from my Nexus S using xda app-developers app
Current : E975 Stock, Rooted
Retired : Nexus S
If My Post was helpful, Hit THANKS button
e beer or cup of coffee!!