With
MOZ_ENABLE_WAYLAND=0 snap run firefox
it works too (no black screen), although the output shows messages:
nicolas@nicolas-fixe:~$ MOZ_ENABLE_WAYLAND=0 snap run firefox
update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/libreoffice/help /usr/share/libreoffice/help none bind,ro 0 0): cannot create directory "/usr/share/libreoffice/help": permission denied
update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/xubuntu-docs /usr/share/xubuntu-docs none bind,ro 0 0): cannot open directory "/var/lib": permission denied
Gtk-Message: 10:32:53.386: Failed to load module "canberra-gtk-module"
Gtk-Message: 10:32:53.396: Failed to load module "canberra-gtk-module"
ATTENTION: default value of option mesa_glthread overridden by environment.
Missing chrome or resource URL: resource://gre/modules/UpdateListener.sys.mjs
With WAYLAND= 0 snap run firefox
MOZ_ENABLE_
it works too (no black screen), although the output shows messages:
nicolas@ nicolas- fixe:~$ MOZ_ENABLE_ WAYLAND= 0 snap run firefox snapd/hostfs/ usr/share/ libreoffice/ help /usr/share/ libreoffice/ help none bind,ro 0 0): cannot create directory "/usr/share/ libreoffice/ help": permission denied snapd/hostfs/ usr/share/ xubuntu- docs /usr/share/ xubuntu- docs none bind,ro 0 0): cannot open directory "/var/lib": permission denied gtk-module" gtk-module" //gre/modules/ UpdateListener. sys.mjs
update.go:85: cannot change mount namespace according to change mount (/var/lib/
update.go:85: cannot change mount namespace according to change mount (/var/lib/
Gtk-Message: 10:32:53.386: Failed to load module "canberra-
Gtk-Message: 10:32:53.396: Failed to load module "canberra-
ATTENTION: default value of option mesa_glthread overridden by environment.
Missing chrome or resource URL: resource: