On Fri, 6 Feb 2015 03:11:29 +0800 Nan Li <n...@suse.com> wrote: > This will greatly enhance the usefulness of QEMU virtual serial ports, > because the Linux kernel interprets a break on the serial console as a SysRq, > but there is currently no way to pass this signal over a pseudo-terminal. > This patch will work for transmitting BREAK from master to slave through > pseudo-terminal.
Break is a signalling event not a 0 character. pty doesn't support modem or other serial signalling events. Whether some kind of virtio tty<->host interface should exist and do that I don't know, but pty does not. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/