John fixed a bug that could definitely cause this type of behaviour and that fix went into beta7a IIRC. However, if people have reproduced it since then there must be another one somewhere.

It's likely to be a race condition somewhere during initialisation which is why it is persistent once triggered but a hard reboot normally fixes it.

Mind you, during development I restart the player many times and haven't reproduced this one for quite a while now.

Well, it just happenend to me also - running beta8a. It occured when I started the car while the empeg was running. Could it be that it has something to do with an incomplete initalisation, caused by the power not completely going away but just dropping by a few volts?