Try this, we had a issue with a gsm rom where insufficuent storage would also show its ugly head and this is what we did, don't know if it will help
"Just delete with a root Explorer the app2sd script from system/etc/init.d it will work then.
Or simple use a ext4 Partition on your sdcard ￼"
Sent from my HTC EVO 3D X515m using xda premium
]Dr EVIL EVO HAHAHAHHAHAHAHA
Don"t ask me for help,couldn't careless if your phone explodes