irecovery iPad4,2, model j72ap

hi there. if i give irecovery -vq i've got all the infos from the device irecovery -s spawns a shell the

> setenv auto-reboot true
> saveenv
> reboot

commands are given but no results on the device, no reboot at all. if i do irecovery -d i still get

DFU Mode

so...what now?