> This patch only affects the line state if the last tty reference is closed > or the tty is hung up by software (like on controlling process exit). > In this case, any login session is already dying, and it would not be possible > to hijack a live session. A successful re-login is still required. It breaks the other direction - yes sorry. > Notwithstanding what I wrote above, this patch does change behavior > with remote consoles, which may be unacceptable. > For example, if the remote user logs out, the current behavior hangs up > the modem (if HUPCL), whereas the patch behavior just presents a new > login prompt. which means the modem will probably no longer answer calls. > So yeah, I agree; this patch should be dropped. Possibly we should also fix this the other way in tty_port_shutdown, which does wrongly skip dtr/rts handling of consoles. As far as I can see providing HUPCL is clear the desired console behaviour for most situations with a remote console link is obtained. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html