GNU bug report logs - #40831
28.0.50; Remote Emacsclient with --create-frame doesn't seem to work correctly

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From: Philipp <p.stephani2 <at> gmail.com>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: Lars Ingebrigtsen <larsi <at> gnus.org>, 40831 <at> debbugs.gnu.org
Subject: bug#40831: 28.0.50; Remote Emacsclient with --create-frame doesn't seem to work correctly
Date: Sun, 31 Jan 2021 20:43:53 +0100

> Am 28.01.2021 um 10:43 schrieb Robert Pluim <rpluim <at> gmail.com>:
> 
>>>>>> On Thu, 28 Jan 2021 09:42:57 +0100, Philipp Stephani <p.stephani2 <at> gmail.com> said:
> 
>    Philipp> Am Do., 28. Jan. 2021 um 09:21 Uhr schrieb Lars Ingebrigtsen <larsi <at> gnus.org>:
>>> 
>>> Robert Pluim <rpluim <at> gmail.com> writes:
>>> 
>>>> Where's the X connection that emacs would use to create the graphical
>>>> frame? Itʼs the emacs server socket thatʼs been forwarded.
>>> 
>>> Yes, but the Emacs daemon and the display were both on machine 1, so
>>> the display wouldn't need to be forwarded?
>>> 
> 
> Yes, I was confused.
> 
>    Philipp> Correct, there's no X forwarding in the loop here.
> 
>    Philipp> emacsclient -t also doesn't work right: It reuses an existing
>    Philipp> graphical frame on the first machine, rather than creating a new TTY
>    Philipp> frame, and it prints internal TRAMP status messages into the file
>    Philipp> buffer.
> 
>    Philipp> emacsclient without either --create-frame or -t works fine (but
>    Philipp> doesn't create a frame).
> 
> It all works fine for me, with one important caveat: I only have one
> Linux machine, so Iʼm ssh'ing back to myself. Iʼll see if I can rustle
> up a second one in the cloud somewhere.

Thanks!

> 
> It fails for me when the remote machine is macOS with
> 
> *ERROR*: Could not open file: /dev/ttys005
> 
> but I think thatʼs a different bug.

Indeed, but probably also one worth reporting.

> 
> BTW, have you tried doing this with tcp sockets rather than ssh
> forwarded ones?
> 

Not really (AFAIK there’s no way to secure them).

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