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Do not think this is hardware dependent, but I'm using an HPE
MicroServer Gen10 Plus.
I installed the server edition of 22.04. Post-Installation, I added
some desktop environments. After logging in, these are working fine.
However on the gdm login entry and password entry screens I had no mouse
pointer icon. A semi-opaque white square tracked the mouse movements.
My reading suggested that gdm defaults to using the cursor icon theme
provided by the adwaita-icon-theme package. I discovered this theme
comes in two sizes, a basic, smaller package installed automatically and
a larger "full" package.
$ apt list 'adwaita-icon-theme*'
Listing... Done
adwaita-icon-theme/jammy,now 41.0-1ubuntu1 all [installed,automatic]
adwaita-icon-theme-full/jammy,now 41.0-1ubuntu1 all [installed]
$
The gdm mouse pointer appears and disappears with installation and
removal of the package "adwaita-icon-theme-full". Either gdm's
dependencies should include the "full" package OR the appropriate mouse
pointer icons should be moved from the full to the basic "adwaita-icon-
theme" package.
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
** Tags: cursor jammy matrox mgag200
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GNOME (non-Ubuntu) login screen mouse cursor is a semi-opaque white square
(missing adwaita-icon-theme-full)
https://bugs.launchpad.net/bugs/1972080
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Bugs, which is subscribed to gdm3 in Ubuntu.
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