vanilla master.g1712.g1714.g1709 from internal, no config.cfg,   Win10@Desktop  ~610MB:

powSav off:
#1: no problem  (rate from 400kBit/s to 2.5 MB/s)

pwSav all on:
#1:  got stuck at 99%  (rate rather constant, at 1.4 MB/s max), drive disappeared. "Prev" key reboots player.
#2:  Completed