This bug was fixed in the package egl-wayland - 1:1.1.9-1.1ubuntu0.1
---------------
egl-wayland (1:1.1.9-1.1ubuntu0.1) jammy; urgency=high
* Backport patches to fix GTK apps in hybrid systems (LP: #1965563)
- In order to apply these patches cleanly and avoid rebasing with
manual conflict resolution, respin
egl-wayland-retrieve-DRM-device-name-before-acquiring-.patch
from upstream and have d/p/series match the order of the
commits upstream.
-- Alessandro Astone <alessandro.ast...@canonical.com> Fri, 13 Sep
2024 17:52:23 +0200
** Changed in: egl-wayland (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1965563
Title:
GNOME apps crash with "Protocol error" in NVIDIA Wayland sessions
Status in NVIDIA / egl-wayland:
Fix Released
Status in GTK+:
Fix Released
Status in egl-wayland package in Ubuntu:
Fix Released
Status in egl-wayland source package in Jammy:
Fix Released
Bug description:
[ Impact ]
* GTK applications fail to start on a hybrid graphics machine with an
NVIDIA discrete GPU.
* The NVIDIA egl-wayland extension 1.1.9 only supports rendering to
the NVIDIA GPU if it is the primary GPU. On a hybrid system the
primary GPU would be the integrated graphics, while the NVIDIA GPU
should only be used for offloading of specific applications. On such a
setup, the egl-wayland extension still incorrectly advertised the
driver as compatible and attempted to use the NVIDIA GPU for all EGL
applications.
* To fix the issue, backport a commit from a newer version of the
NVIDIA egl-wayland extension that reports the driver as incompatible
when the NVIDIA GPU is not the primary GPU. This effectively ensures
that all EGL applications run on integrated graphics by default.
[ Test Plan ]
* Set up a hybrid graphics machine with Jammy 22.04 LTS and the
proprietary NVIDIA drivers version 535 or 550.
* Install `libnvidia-egl-wayland1` from the update.
* Log-in to a Wayland desktop session.
* Verify that you can start `gnome-text-editor`.
[ Test Plan - Regression ]
* Set up a Desktop with a single NVIDIA GPU with Jammy 22.04 LTS and
the proprietary NVIDIA drivers version 470, 535 or 550.
* Install `libnvidia-egl-wayland1` from the update.
* Log-in to GNOME Wayland (in Ubuntu Desktop this implies changing
the log-in session on the log-in screen)
* Verify that `eglinfo | grep -A2 "Wayland platform"` reports "EGL
vendor string: NVIDIA"
* Also verify that GNOME applications run smoothly as GPU
accelerated.
[ Where problems could occur ]
* The scope of the change is limited to the NVIDIA proprietary
drivers.
* A possible regression would be that the driver starts reporting as
incompatible on NVIDIA single-GPU systems too. One would notice by all
wayland-native applications suddenly being very slow. Note that such
systems would not default to Wayland in Jammy.
[ Original Report ]
$ dpkg-query -W gnome-shell-extension-prefs
gnome-shell-extension-prefs 42~beta-1ubuntu3
$ gnome-extensions-app
Gdk-Message: 17:54:19.697: Error reading events from display: Protocol error
Caveat: I currently have a mix of packages from jammy-release and
jammy-proposed.
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