On Sun, Jun 26, 2016 at 06:48:59PM +0100, Julian Gilbey wrote: > That's so weird. I tried in an empty sid Docker container, and I just > can't reproduce this behaviour. > > So there must be some weird package interaction somewhere. > > I don't have the time to track it down completely, so let's close this > bug.
I've tracked it down to the "tramp" package required by ess-inf.el. I have no idea why this is taking so long, but I'll report it as a separate bug (so that other people still see this bug if they wonder why ess is slow for them). Best wishes, Julian