On Sat, Mar 13, 2010 at 02:23:17PM +1100, Bernardo wrote: > Hi all, > > I was looking for a USB newbies mailing list but this url claims > linux-usb-users is now defunct http://www.linux-usb.org/mailing.html > > Given this list seems to contain all the gory details of USB hope my > newbie question is not going to irritate many. > > I'm working on an embedded device which our customers can configure (and > run some diagnostics) using serial port. The new version of the device has > an USB port instead and there is an issue how to let the customers > use it to perform configuration in a similar fashion. BTW the customers, > for all practical purposes, *always* run Windows on their PCs. > > After a bit of searching the net an obvious solution was to use the > gadget serial module. That worked -- to a degree. When the host was > running GNU/Linux everything was fine. However when the host was running > Windows (XP) the comms would lock up after a while, usually a few minutes > but sometimes in less than a minute. To get the comms working again we > needed to disable/enable the USB port on the host side and restart the > application on the device, not something that would be acceptable. Is the lockup happening on the device side, or on the host side? If it's on the device, we would have a chance to fix this up. This should work properly, as lots of people use it like you are wanting to. I would recommend working through this to try to solve the issues as it seems you are almost there. greg k-h -- 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