On 05.06.2015 15:09, poma wrote: > On 05.06.2015 14:14, Jean-Christian de Rivaz wrote: >> Le 05. 06. 15 13:18, Aleksander Morgado a écrit : >>> On Tue, May 26, 2015 at 12:19 AM, Jean-Christian de Rivaz <j...@eclis.ch> >>> wrote: >>>> I have a system where the modem have multiple /dev/ttyACMx ports where x is >>>> not constant because of the dynamic nature of others serial devices. >>> It may be worth noting that a very similar issue with the one faced >>> here is the one with network interface names, where interface names >>> were created as kernel drivers probed the different interfaces, ending >>> up with "eth0", "eth1" and so on. Then, there would be network >>> interface configurations for each network interface based on the name, >>> but no one really ensured that the name was the same upon reboots. The >>> solution provided by systemd to ensure that the proper configuration >>> is applied always to the proper interface is to make the device names >>> "predictable", see: >>> http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/ >>> >>> This solution avoids the need of any other udev rules to e.g. create >>> network interface names containing the device MAC address or what not. >>> >>> I'm wondering whether the same could be applied not only to network >>> interfaces, but also to ttyACMs, ttyUSBs and cdc-wdms, and end up >>> having predictable tty names like e.g. /dev/ttyACMp0s20u4i0. Sure, >>> those names are a nightmare to type, but they are predictable (e.g. in >>> this case by including the physical location of the connector of the >>> hardware). >>> >> >> This would be a wonderful solution. The only problem is when will this >> feature be available in a stable Linux kernel widely used by all majors >> distributions? Until this dream happens (probably not before severals >> years I guess), an other option must be implemented. >> >> Jean-Christian > > > Face your broadband modem, live your dreams? > > Kay, when this would happen - Predictable Broadband Modem Interface Names? >
Wouldn't it be nicer to have symlinks like in /dev/disk ? /dev/tty/by-path/.... _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
