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From: Jan Beich <jbeich@FreeBSD.org>
To: Scott Bennett <bennett@sdf.org>
Cc: freebsd-x11@freebsd.org
Subject: Re: drm-fbsd11.2-kmod-4.11g20191204 painful to look at
References: <201912110901.xBB910Bk026830@sdf.org>
Date: Wed, 11 Dec 2019 10:45:17 +0100
In-Reply-To: <201912110901.xBB910Bk026830@sdf.org> (Scott Bennett's message of
 "Wed, 11 Dec 2019 03:01:00 -0600")
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Scott Bennett <bennett@sdf.org> writes:

>      I just upgraded from drm-fbsd11.2-kmod-4.11g20190906, which worked
> fairly well, to drm-fbsd11.2-kmod-4.11g20190906,

You've typed drm-fbsd11.2-kmod-4.11g20190906 twice. Which version worked fine?

> which flashes, jumps, at flickers streaks across the screen every few
> seconds.  It is really awful.  I don't think I can sit and look at it
> for very long at a time.

Do you use modesetting DDX or xf86-video-intel? If the latter then the
version in ports has broken SNA acceleration (bug 236003 has a fix).

Can you paste /var/log/Xorg.0.log contents for troubleshooting?