[Bug 55500] [sna gen4 w/a] corrupt rendering (including wrong rendering of characters and flickering on redraw)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=55500

--- Comment #190 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to comment #188)
> (In reply to comment #187)
> > Ah, would you happen to have an uneven amount of memory installed?
> 
> Probably. Is this and unsupported configuration?

We have a known issue in that we don't detect the swizzling correctly and so we
may end up with corruption if objects are paged out from memory. Typically you
see the affects after running for some time (so that memory pressure takes
effect) or after resume. See bug 28813 bug 45092

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