Re: Remote asynchronous processes

[Philipp Stephani]

Am So., 9. Aug. 2020 um 09:22 Uhr schrieb Michael Albinus
<michael.albinus@gmx.de>:
>
>
> > Am 06.08.2020 um 21:08 schrieb Sean Whitton <spwhitton@spwhitton.name>:
> >
> > Hello Michael,
>
> Hi Sean,
>
> >
> >> On Tue 04 Aug 2020 at 02:27PM +02, Michael Albinus wrote:
> >>
> >> Finally, I've committed a respective patch to Emacs master. Read the
> >> Tramp manual (info "(tramp) Improving performance of asynchronous
> >> remote processes") about.
> >
> > I hope you don't mind me replying here to ask a question about this.
> >
> > Is there a way to turn this on for all SSH connections which don't use
> > multi-hops?  I.e. all SSH connections originating from localhost with no
> > further hops?  I imagine this is something a lot of users would want to
> > turn on.
> >
> > I assume it would be unwise to use
> >
> > (add-to-list 'tramp-connection-properties
> >                  '("\\`/ssh:.+:/"
> >                  "direct-async-process" t))
> >
> > or similar, because there can be implicit multi-hops thanks to tramp
> > tramp-default-proxies-alist and tramp remembering used proxies.
>
> That's a good idea. Will implement a fallback to Tramp's "classic" 
> implementation of make-network, when there are multi-hops, or stderr is given.
>

Why stderr? Does the SSH binary not correctly connect the remote
process's stderr to its own?