[Bug 1969282] [NEW] Firefox 99.0.1 snap won't start with wayland + kernel driver nouveau (Failed to load module "canberra-gtk-module")

[Vivien GUEANT]

Public bug reported:

Regression introduced with Firefox 99.0.1 in the Firefox snap version,
only when using wayland and kernel driver nouveau (ok with x.org).

Error : Gtk-Lessage: Failed to load module "canberra-gtk-module"
The error was 'BadPixmap'.
Exiting due to channel error.
see screenshot

OS : Ubuntu 21.10 + Gnome 40.4

- Firefox 99.0 snap + Kernel driver nouveau + wayland => ok
- Firefox 99.0.1 snap + Kernel driver nouveau + wayland => won't start
- Firefox 99.0.1 snap + Kernel driver nouveau + x.org => ok
- Firefox 99.0.1 snap + Kernel driver i915 + wayland => ok

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


** Tags: firefox nouveau snap wayland

** Attachment added: "Failed to load module "canberra-gtk-module""
   https://bugs.launchpad.net/bugs/1969282/+attachment/5581097/+files/Capture%20d%E2%80%99%C3%A9cran%20du%202022-04-16%2021-29-14.png

** Package changed: ubuntukylin-meta (Ubuntu) => firefox (Ubuntu)

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Title:
  Firefox 99.0.1 snap won't start with wayland + kernel driver nouveau
  (Failed to load module "canberra-gtk-module")

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