GNU bug report logs - #31169
Emacs 26.1 RC1 (gtk) display issues over SSH/X11 with xming/vcxsrv due to double-buffering

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Message #23 received at 31169 <at> debbugs.gnu.org (full text, mbox):

From: Noam Postavsky <npostavs <at> gmail.com>
To: charlie hemlock <charliehemlock <at> gmail.com>
Cc: 31169 <at> debbugs.gnu.org
Subject: Re: bug#31169: 26.1;
 Emacs 26.1 RC1 (gtk) display issues over SSH/X11 with xming/vcxsrv
Date: Wed, 18 Apr 2018 20:42:21 -0400

charlie hemlock <charliehemlock <at> gmail.com> writes:

> 1. Build emacs 26 RC1 with --with-x-toolkit=gtk3
>      a. confirm builds and runs ok when run local
> 2. Login to windows box, launch ssh -X putty session to linux host with
> emacs 26 installed.  (windows xserver: vcxsrv or xming) 
> 3. emacs -Q
> 4. Emacs does not display correctly. Missing minibuffer, & can't type in buffer.  Compare to attached screenshot.
>
> I can compile Emacs 26.1 RC1 ok, and use it locally on the host fine.
>
> However, when attempting to ssh -X to host via PuTTY 0.70 and launch
> the Emacs gui (emacs -Q), emacs is not displaying correctly. Using
> Windows xserver program VcXsrv (1.19.6.3).
>
> See attached screenshot - no default welcome screen, and missing minibuffer too. 

This looks similar to Bug#25474, does adding

    (modify-frame-parameters nil '((inhibit-double-buffering . t)))

to your init.el as suggested there help?

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25474

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