Bug#839122: Old GTK+ 3 Debian/Ubuntu patch causes Critical Warning every time a GtkComboBox is opened

Michael Biebl biebl at debian.org
Fri Dec 9 20:40:41 UTC 2016

Hi Daniel

On Thu, 29 Sep 2016 08:29:11 +0100 "D. B." <db0451 at gmail.com> wrote:
> Package: gtk-3.0
> Version: 3.22.0-1
> Hello,
> The problem here is this patch:
> https://sources.debian.net/src/gtk%2B3.0/3.22.0-1/debian/
> patches/016_no_offscreen_widgets_grabbing.patch/
> although its counterpart looks similarly old and ill-substantiated:
> https://sources.debian.net/src/gtk%2B3.0/3.22.0-1/debian/
> patches/017_no_offscreen_device_grabbing.patch/
>    - "The *exact* and *complete* text of any error messages printed or
>    logged. This is very important!"
> Gdk-CRITICAL assertion 'GDK_IS_WINDOW (window)' failed
> See full report, backtraces, links to discussions of the offending patch,
> etc here
> https://bugzilla.gnome.org/show_bug.cgi?id=771242

I see that you've been working with upstream, trying to resolve this.
Thanks a lot for that.
The latest stable release 3.22.5, contains your patches.

What's unclear to me is whether your patches replace the above two
patches and we can drop them now, or if we still need them (for
I've CCed William, from the Ubuntu side. Maybe you can confirm, that
those patches are safe to drop now or if they are still needed.


Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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