[Bug 106494] IVB, KBL - Under Gnome, screen won't unblank without VT switch, UXA only

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106494

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
Note that the flickering is likely to be a kernel bug. A video of the
flickering, if possible, is the easiest way to identify the likely cause.

Unblanking the screen sounds like it is a stale Present buffer.

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