https://bugzilla.gnome.org/show_bug.cgi?id=768111
Bug ID: 768111
Summary: Applications exit after "Error 71 (Protocol error)
dispatching to Wayland display" while showing menu
Classification: Platform
Product: gtk+
Version: 3.20.x
OS: All
Status: NEW
Severity: normal
Priority: Normal
Component: Backend: Wayland
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
CC: [email protected], [email protected]
GNOME version: ---
With Gtk+ 3.x applications running with a wayland Gdk backend I recently
discovered an issue which exits applications in rare cases. They happen
while/after showing a menu. Right before the application exits, it prints this
warning
Gdk-WARNING **: Error 71 (Protocol error) dispatching to Wayland display.
from gdk/wayland/gdkeventsource.c:197. There are 2 cases I can reproduce:
1. In LibreOffice Impress, when using the "View" menu, in some cases it just
exits after printing the warning added above.
Bug report: https://bugzilla.redhat.com/show_bug.cgi?id=1343752#c7
Backtrace: https://bugzilla.redhat.com/attachment.cgi?id=1172226
2. Firefox builds with Wayland Gdk backend behave similiar on showing any menu
(!)
Bug report: https://bugzilla.redhat.com/show_bug.cgi?id=1350060
Backtrace: https://bugzilla.redhat.com/attachment.cgi?id=1172224
Note that this doesn't work with default Firefox builds because they enforce
using x11 as Gdk backend on linux. You have to use the builds from
https://copr.fedorainfracloud.org/coprs/stransky/firefox-wayland/ instead. See
this mailing list thread for details:
https://lists.fedoraproject.org/archives/list/[email protected]/thread/54P3DQEOHXJQNUPUMHLA2GSQCWU4ZKXE/
I'm reporting this here because it happens in 2 very different applications and
because a LibreOffice developer commented this would be an issue in Gtk+ in
https://bugzilla.redhat.com/show_bug.cgi?id=1343752#c10
Despite using gnome+wayland heavily, this bug hasn't occurred to me anywhere
else before so I guess it is either recently introduced or due to the special
way how Firefox and LibreOffice use Gtk+.
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