Built without Cairo the problem isn't present so what are the negatives of
doing without Cairo?

On Wed, Aug 3, 2016, 10:59 AM martin rudalics <rudalics@gmx.at> wrote:

>  > The environment is funtoo current which is substantially similar to
>  > gentoo current.  Window manager is i3wm, no de.  Emacs is running in
> daemon mode, but bug manifests when
>  > run normally as well. Essentially when an emacs window is created the
>  > text doesn't take up the entire window.  Manually resizing the window by
>  > toggling fullscreen fixes this.  However creating another window in the
>  > workspace and then removing it will leave the emacs window in the same
>  > state where the text contained therein doesn't fill the remaining space
>  > that was formerly occupied by the now removed window.
>  >
>  > Importantly this behavior isn't observed in emacs 24.
>  >
>  >
>  > In GNU Emacs 25.1.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.16.7, cairo
> version 1.14.6)
>  >   of 2016-06-17 built on michael-desktop
>
> Can you try building without cairo?
>
> Thanks, martin
>