On Mon, 2016-05-30 at 22:46 -0400, Dave Mielke wrote: > Is this the right mailing list for ttyACM device issues, or should I be > contactring the serial device people? Just in case this is the right place, > here's the issue. > > I'm using Linux kernel 3.11.10-100.fc18.x86_64. I'm using termios, among other > things, to turn ICANON off and to set both VTIME and VMIN to 0. This should do > non-blocking reads that return 0 (something our code always successfully does > with ttyS devices) but, with the ttyACM device, the read blocks. Is this > expected behaviour for ttyACM devices? That is a bug. It is with a very old kernel. Can you replicate it with the current kernel? If so, please provide information about where it hangs. Sysrq-T will do that. Regards Oliver -- 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
