On Sun, Mar 26, 2017 at 11:22:57AM +0200, Geert Uytterhoeven wrote: > Time for the serial subsystem to switch to dynamic minors, and get rid of the > what-is-your-serial-port-called-again-on-this-platform > multi-million-euro question? Dynamic device numbers are fine for those who use devtmpfs / udev, but I would imagine that there are systems out there which don't, and if they change, systems become inaccessible (the port becomes dead, even to sysrq.) -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.