[Bug 111122] 2500U: Graphics corruption on kernel 5.2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111122

--- Comment #24 from James Le Cuirot <chewi at gentoo.org> ---
It's hard to tell who's talking about which issue as there seems to be two or
even three different ones going on here.

I believe I'm seeing the originally reported issue as iommu=pt helps on my
2700U. Without it, I get heavy corruption throughout KDE. I'm running OpenSUSE
Leap 15.1 with kernel-default 5.2.10-1.g5878ee6. Going back to 5.1 also works.

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