GNU bug report logs - #39489
28.0.50; On Emacs 27, 28, tramp hangs indefinitely

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From: Benjamin Slade <slade <at> lambda-y.net>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: 39489 <at> debbugs.gnu.org, Benjamin Slade <slade <at> lambda-y.net>
Subject: bug#39489: 28.0.50; On Emacs 27, 28, tramp hangs indefinitely
Date: Sun, 09 Feb 2020 19:24:39 -0700

Hi Michael,

On 2020-02-09T06:14:34-0700, Michael Albinus 
<michael.albinus <at> gmx.de> wrote:


> Well, here is the part which looks suspicious (shortened 
> heavily).

> --8<---------------cut 
> here---------------start------------->8---
> > | | | | | | | | | | | | | 14 -> (auth-source-search :max 1 
> > :user #("root" 0 4 (tramp-default t)) :host #("sushoma" 0 7 
> > (tramp-default t)) :port "sudo" :require (:secret :user) 
> > :create t)
> > | | | | | | | | | | | | | | 15 -> (tramp-file-name-handler 
> > expand-file-name "." #("/sudo:root <at> sushoma:" 6 10 
> > (tramp-default t) 11 18 (tramp-default t)))
> > | | | | | | | | | | | | | | 15 <- tramp-file-name-handler: 
> > !non-local\ exit!
> > | | | | | | | | | | | | | 14 <- auth-source-search: 
> > !non-local\ exit!
> --8<---------------cut 
> here---------------end--------------->8---

> I don't know why `auth-source-search' needs to expand 
> ".". Could it be,
> that it is part of your `exec-path'?

It turns out my $PATH variable had an 'empty' field 
(e.g. =/usr/local/bin::/home/slade/.guix-profile/bin=), 
eliminating that fixed the tramp issue I described in the bug 
report. (it's interesting that this only manifested was 27+)

[There is still an issue with the =em-tramp= package on Emacs 27+, 
which causes a complete lock-up (i.e. C-g won't work), but that 
should likely be a separate bug report.]

best wishes,
  —Ben

-- 
( Dr Benjamin Slade . b.slade <at> utah.edu . https://lambda-y.net )
( Linguistics . University of Utah . https://linguistics.utah.edu 
)
( office : LNCO 2309 )
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