bug#32975: Emacs 26.1; GTK Warnings

[Tjernlund]

On Tue, 2018-10-09 at 21:18 +0300, Eli Zaretskii wrote:
> > From: Tjernlund <tjernlund@tjernlund.se>
> > Cc: 32975@debbugs.gnu.org
> > Date: Tue, 09 Oct 2018 20:01:12 +0200
> > 
> > On Tue, 2018-10-09 at 18:10 +0300, Eli Zaretskii wrote:
> > > > From: Tjernlund <tjernlund@tjernlund.se>
> > > > Cc: 32975@debbugs.gnu.org
> > > > Date: Mon, 08 Oct 2018 07:27:08 +0200
> > > > 
> > > > > P.S. Do I understand correctly that these messages are emitted only
> > > > > for that combination of colors?
> > > > 
> > > > No, setting background-color to any value will cause the errors
> > > > gtk version 3.22.30
> > > 
> > > Do the problems go away if you disable the scroll bars?
> > 
> > The left side scroll bar?
> 
> All of them.
> 
> > Don't know howto do that ..
> 
> "M-x scroll-bar-mode RET" should toggle display of vertical scroll
> bars.  "M-x horizontal-scroll-bar-mode RET" should do the same with
> horizontal scroll bars.

They only happen one at startup, if if put in my .emacs:
   (scroll-bar-mode 0)
They are gone.