[Q] Popo max m1 - vold.fstab and logo loop error topic

Hi. I flash my pipo using android 4.2.2 (from pipo eng version). Little mod version (5GB for userdata).
I root it and try like on ohetr version edit vold.fstab to chande internal and sd.
When reboot it stuck on logo and nothing more.
vold.fstab have set rw-r--r--.
Need help with this ;/

PS. sry for my eng.