Originally Posted by aneto View Post
[...]then I flash M-Kernel compatible with All-F2FS.

It works for me!
This morning I have flashed M-Kernel too and it seems to work well.
No random reboot today, even with WiFi turned off and 3G on (I still use the latest version of Slimkat rom - build 5961 - modified by Convert To F2FS app).