[Bug 2006468] [NEW] firefox does not detect mousemove events

Georges Varouchas 2006468 at bugs.launchpad.net
Tue Feb 7 12:08:48 UTC 2023


Public bug reported:

I have an issue, which I saw only on Firefox : after some time (or some
event which I haven't identified yet), Firefox does not react to my
mouse movement events

meaning :

  * when hovering over an HTML item, it does not highlight/change appearance even if it is supposed to do so,
  * when hovering over a clickable item, the cursor does not change,
  * when hovering over selectable text, the cursor does not change,
  * tooltips do not appear,
  * etc ...

if I trigger other GUI events (if I *click*, or if I *press any keyboard
key* -- `[A]`, `[Shift]`, `[Ctrl]` ...), then the GUI reacts (cursor
changes, tooltips appear, animations get triggered ...), a bit as if, by
handling that other event, firefox realized "oh, the cursor is actually
there", but with no external event, my mousenter/mouseleave events seem
to be ignored, or stalled.

Running Ubuntu 22.10 (kinetic), and regular firefox snap install (my
current version: 109.0.1-1).

As said in the previous sentence: firefox is installed through snap
(which, if I am correct, is the default way to install firefox on a
Ubuntu system these days) not through an apt package.

Is this a known issue ?

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

** Package changed: nautilus (Ubuntu) => firefox (Ubuntu)

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https://bugs.launchpad.net/bugs/2006468

Title:
  firefox does not detect mousemove events

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