[Bug 108085] Intel GeminiLake corruption at top of screen caused by fbc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108085

Daniel Drake <dan at reactivated.net> changed:

           What    |Removed                     |Added
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             Status|NEEDINFO                    |NEW

--- Comment #15 from Daniel Drake <dan at reactivated.net> ---
(In reply to Lakshmi from comment #14)
> Does this happen throughout the usage of the PC or only at gdm? 

It happens throughout usage, but gdm the easiest way to reproduce it on-demand
that I've found.

> > Alternative reproducer, a bit harder: open terminal, run dmesg, maximize the
> > terminal, then use two-finger scroll to quickly scroll up and down.
> 
> In this case, even though it is hard to reproduce the issue, corruption will
> stay forever? or disappears?

If you manage to stop scrolling right at the moment when the corruption is
visible, then the corruption will persist until the next screen update.
Otherwise, it will disappear after a moment.

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