Flashing system.img file on JTK1 gets hanged

hi all,

i have similar problem, it gets hanged while flashing the system.img file to JTK1 board.
pls refer the attached screen shot. I am using host as ubuntu 14.04 with virtual box.

Duplicate post of:
[url]Brand new boards, can't flash system.img - Jetson TK1 - NVIDIA Developer Forums