On Mon, 7 Nov 2011, Ryan T wrote: > Stumbled across this thread and have come to the same issue. > > I've traced through the ioctl() and found that it is hanging in the > get_ready_ep() in the ep_ioctl(). Specifically that the lock is not able to be > acquired on the ep1out. > > This would be the same lock acquired in the pending ep_read() sitting there for > data from the host. Are you saying that you want to do an ioctl to the endpoint file, but you can't because there's a pending read holding the mutex? > What would the recommend way to 'kick' this read thread be to cause it to > release the semaphore? Send it a signal. Alan Stern -- 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
