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Date:   Thu, 6 Jun 2019 10:37:35 +0200
From:   Pavel Machek <>
To:     Jani Nikula <>
        kernel list <>
Subject: Re: 5.2: display corruption on X60, X220

On Thu 2019-06-06 11:32:18, Jani Nikula wrote:
> On Mon, 03 Jun 2019, Pavel Machek <> wrote:
> > In recent kernels (5.2.0-rc1-next-20190522, 5.2-rc2) I'm getting
> > display corruption in X. Usually in terminals, but also in title bars
> > etc. Black areas with white lines in them, usually...
> >
> > Same configuration worked properly in ... probably 4.19? Then I got
> > some graphics-crashes on X220 that prevented me from testing :-(.
> It's pretty hard to say anything based on the above.
> Anything in the logs with drm.debug=14 added?

I see. It looks like hard-to-debug issue.

Oh, interesting part is that corruption _is_ visible if I make a

Will try with drm.debug=...

Do you do some kind of testing that would catch similar issues?

(cesky, pictures)

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