I have a minor problem with my MP3/MP4 player "Technaxx TouchMe":
The device is being charged via USB.
It only switches into charging mode, if no computer is detected on the other side of the USB cable, i.e. I have to use the enclosed main adapter with its built-in USB socket.
If I unmount the device under Linux (Gnome, Ubuntu Hardy), the device remains in some kind of data link stand-by mode after the buffer is flushed.
If I repeat the same procedure under Windows, the device switches to charging mode after I have unmounted the device.
I wonder if this is a know 'problem', and if there is some way to fix it.
(Perhaps HAL or udev haven't released it fully....)