On Thu, Mar 11, 2010 at 02:32:22PM +0100, Micha? Miros?aw wrote: > Looks like there's some race contition in switching ldiscs on USB serial > ports. The following warnings trigger sometimes after killing and restarting > process that changes ldisc and waits forever. In case you want to look at > the code, there it is: http://rere.qmqm.pl/~mirq/sermmc/ If you apply git commit 638b9648ab51c9c549ff5735d3de519ef6199df3 to the 2.6.33 kernel, does it solve the issue for you? thanks, 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