I recently installed Rockbox on a Fuze v2 - r26367. The install proceeded normally and Rocbox was running well. After using it for a short period of time, the player appeared to abruptly shut off, and was subsequently unresponsive. I assumed that Rockbox had locked up with the screen off, and I followed the procedure outlined in the FAQ, holding the power switch in the 'on' position for 30 seconds. This did not work. I tried holding the switch for various lengths of time, up to around five minutes, and in conjunction with pressing various other buttons. Still the player did not restart.
I ended up waiting for the battery to drain completely, which took around three days. I was then able to charge the player and use both Rockbox and the original firmware.
Has anyone else experienced this issue? Is there any known way, apart from that outlined in the FAQ, to reset the player when this happens?