On Mon, Jun 18, 2012 at 09:29:02PM +0000, tilman wrote: > Hello > > can I use wait_event_timeout in a callback handler ? No, a urb callback handler is running in interrupt context, sorry. What problem are you trying to solve by doing this? 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