On Tue, 10 May 2016, Andy Ball wrote: > That returns /dev/irframe0, which apparently is not something that I > can use with slattach...
Hmm, yes, it seems it's telling you the framing device, not the TTY. Are you giving it a TTY name when you invoke irdaattach? From looking at the man page, that would seem to be the norm. Then you'd give that same TTY to pppd or slattach. -Swift