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Date:      Mon, 14 Feb 2022 23:41:14 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   [Bug 261773] graphics/drm-fbsd13-kmod: Instability and artifacts after 5.4.144.g20220128 update (Intel GM45)
Message-ID:  <bug-261773-7141-aJptG9ooFd@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-261773-7141@https.bugs.freebsd.org/bugzilla/>
References:  <bug-261773-7141@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D261773

Stefan B. <sblachmann@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sblachmann@gmail.com

--- Comment #19 from Stefan B. <sblachmann@gmail.com> ---
Can confirm the corruption too.
It today happened after a long install run with my still inofficial alpha
SkunkInstaller [*] finished, which installed xorg, KDE, Gnome, Mate and all
selectable applications and then started xorg directly afterwards.
So there was some previous system load, definitely some gigabytes ZFS activ=
ity.

System is T520, 16GB RAM, 960GB SSD, guided ZFS-on-root with default 2GB sw=
ap
partition, FVWM as my selected default WM/DM, 13-RELEASE-p7, "latest" repo,
drmkmod 5.4.144.g20220128

Photos in attachments following.

Directly after (re)booting, without previous system loading, I was unable to
reproduce that again.
I guess I will let run the system overnight with many apps open, including
Firefox with some javascript heavy pages to see if this comes back.


@ Cy Schubert:
Do these artifacts also appear when there is heavy read-only ZFS activity? =
Or
only when there is write activity?

Whatever, the corruption is nasty!
As it is, it would present itself to the user directly after installation
finished and X started up.
This is a kind of "first impression" I do not want to offer the new FreeBSD
users...


@ Tjil Coosemans
Did the issue reappear with your patch, or were you unable to reproduce it
since?

Or are the changes that @ Charlie Li and @ Oleh Vinichenko mentioned a more
probable "solution"?


[*] https://github.com/SkunkOS/SkunkInstall

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