tmaul/cm_device_andypad_andypadpro — comment on commit 8ea9cbd394bfc5ea0e922ad116ea2c0a9750bdb4
File:  line 0
By Zepheus:

Allright, after playing with your rom, seems that system still corrupts when writing to /system/
In my case, AdAway basically broke it & now it's stuck on boot (/bin/sh not found)