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Date:      Sun, 02 Jan 2022 20:28:34 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 260890] graphics/drm-fbsd13-kmod: display artifacts in xorg (Intel HD Graphics 3000)
Message-ID:  <bug-260890-7788@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260890

            Bug ID: 260890
           Summary: graphics/drm-fbsd13-kmod: display artifacts in xorg
                    (Intel HD Graphics 3000)
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11@FreeBSD.org
          Reporter: benrkts@yahoo.com
          Assignee: x11@FreeBSD.org
             Flags: maintainer-feedback?(x11@FreeBSD.org)

Created attachment 230636
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D230636&action=
=3Dedit
screenshot

I am seeing rectangular screen artifcats when browsing the web, reading pdf=
s,
or
basically doing anything.  If I scroll up and down, they also move up and d=
own
as if they belonged to the document.

I can use either intel or modesetting, with or without
graphics/xf86-video-intel
installed, and it makes no difference.  I will attach xorg conf+log for
completeness, but again, it makes no difference whether any of these settin=
gs
are present.

Also, I run i3 with compton, and I have tested it three ways.

1. Without compton, artifacts appear occasionally and are an annoyance.
2. Using compton with the xrender backend, artifacts are so severe as to ma=
ke
the system nearly unusable.
3. Using compton with the glx backend, artifacts appear rarely, then disapp=
ear
immediately, as if compton were correcting them.  It is still however an
annoyance, especially during video playback.

I have tested a Linux USB drive to confirm that it is not a hardware issue.
I have not tested FreeBSD current.

sysctl hw.model: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz

uname -v: FreeBSD 13.0-RELEASE-p4 #0: Tue Aug 24 07:33:27 UTC 2021=20=20=20=
=20
root@amd64-builder.daemonology.net:/usr/obj/usr/src/amd64.amd64/sys/GENERIC

A screenshot and other command outputs will be attached.

--=20
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