Thanks for the video! That "flash" seems to be the whole screen
flickering to black. It can happen if the Wayland backend fails to
assign a buffer to the screen for a frame. But it can also happen with
monitor connection issues that may be hardware or software (kernel)
problems. That's less likely on a laptop but not impossible (I've seen
it there too).
Let's assume it's a software bug in Mutter's Wayland backend, but I am
out of ideas right now other than using 'Ubuntu on Xorg' as a
workaround.
** Summary changed:
- Random flashes in gnome-shell
+ [Notebook N7x0WU] Random black flickers in gnome-shell
** Summary changed:
- [Notebook N7x0WU] Random black flickers in gnome-shell
+ [Notebook N7x0WU] Random black flickers in gnome-shell Wayland sessions
** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu)
** Changed in: mutter (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1948778
Title:
[Notebook N7x0WU] Random black flickers in gnome-shell Wayland
sessions
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