Greg KH wrote: > > Is that some kind of initialization protocol I have to handle? If yes, > > where do I find information about it? > > The protocol should be part of the USB specification. USB debug class devices use no protocol, just transfers of 1-8 bytes, used in arbitrary ways by the various device users. > I've found that screen can leave usb serial ports in an "odd" state, > it's not unique to this specific device, I blame the screen command :) I think that's a lame excuse to not investigate a potential bug. It would obviously be helpful if someone who experienced this problem provided all the details. //Peter -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html