1788287 - ubuntu 22.04+snap+xwayland: mouse move/hover tracking fails randomly

Status: RESOLVED INVALID

(Core :: Widget: Gtk, defect)

Description

[jmehmel]

Copying this bug to FF 104 as it is still persisting. View the comments of the previous bug for more detail, but:

Currently running this in the terminal to make Firefox usable:

export MOZ_ENABLE_WAYLAND=1
MOZ_ENABLE_WAYLAND=1 firefox

+++ This bug was initially created as a clone of Bug #1774531 +++

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:101.0) Gecko/20100101 Firefox/101.0

Steps to reproduce:

Unfortunately I don't have a solid steps to reproduce: the bug seems to be happening randomly. I'm opening a ticket in hopes that a more solid way to reproduce is found in the future.

Environment: Ubuntu 22.04 x86-64, GNOME 42.1, Wayland, Graphics: AMD Renoir.
Firefox running as snap package:

snap info firefox
name: firefox
summary: Mozilla Firefox web browser
publisher: Mozilla✓
store-url: https://snapcraft.io/firefox
contact: https://support.mozilla.org/kb/file-bug-report-or-feature-request-mozilla
license: unset
description: |
Firefox is a powerful, extensible web browser with support for modern web
application technologies.
commands:

• firefox
• firefox.geckodriver
  snap-id: 3wdHCAVyZEmYsCMFDE9qt92UV8rC8Wdk
  tracking: latest/stable
  refresh-date: 7 days ago, at 22:06 EEST
  channels:
  latest/stable: 101.0.1-1 2022-06-09 (1443) 170MB -
  latest/candidate: 101.0.1-1 2022-06-09 (1443) 170MB -
  latest/beta: 102.0b8-1 2022-06-15 (1462) 169MB -
  latest/edge: 103.0a1 2022-06-14 (1461) 180MB -
  esr/stable: 91.10.0esr-1 2022-06-10 (1447) 161MB -
  esr/candidate: 91.10.0esr-1 2022-06-09 (1447) 161MB -
  esr/beta: ↑
  esr/edge: ↑
  installed: 101.0.1-1 (1443) 170MB -

Actual results:

Firefox stops responding to mouse hover events: the mouse cursor stops changing, the weblinks stop being underlined, but also the browser tabs stop being highlighted on hover. The text selection becomes very hard since the selection only appears after I release the mouse button.

Restarting Firefox fixes the issue until it manifests again. The bug always appears, however it does so randomly.
Moreover, the window resizing breaks: feels as if Firefox is unable to fill in the window anymore. For example, the window title area buttons (minimise/maximise/close) are no longer positioned in the upper-right corner of the screen.

Expected results:

Firefox should keep responding to mouse hover events.

Comment 1

[:gerard-majax]

Please avoid, there are tracking flags for that purpose.