bug#20015: 25.0.50; Slow Emacs startup after recent TRAMP changes

[Michael Albinus]

Tassilo Horn <tsdh@gnu.org> writes:

Hi Tassilo,

> Since the recent TRAMP changes on master, emacs startup takes about a
> minute.  Starting it with
>
>   emacs -Q --eval "(progn (setq debug-on-quit t) (require 'tramp))"
>
> then waiting till it hangs and hitting C-g reveals:
>
> --8<---------------cut here---------------start------------->8---
> Debugger entered--Lisp error: (quit)
>   call-process("ssh" nil t nil "-o" "ControlPath=%C" "host.does.not.exist")

What happens when you apply "ssh -o ControlPath=%C host.does.not.exist"
locally? Same delay for one minute?

Which ssh version do you run locally? Check with "ssh -V".

Best regards, Michael.