>From what I've seen of the gnome-shell/mutter/clutter/cogl source code,
they use white as a default colour. So if you see something that's all
white it means there's meant to be a texture or image there, but for
some reason it failed to render.
That might sound obvious and meaningless but it's not :)
Can you please attach output from this command?
lspci -k
because I think this issue will be driver-specific.
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
** Changed in: mutter (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1765141
Title:
[regression] Full screen white flash from time to time (Wayland and
X11)
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