bug#31169: 26.1; Emacs 26.1 RC1 (gtk) display issues over SSH/X11 with xming/vcxsrv

[Noam Postavsky]

charlie hemlock <charliehemlock@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