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Date:      Fri, 18 Dec 2020 09:49:22 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   [Bug 251836] x11-wm/plasma5-kwin: freezes with iris (Intel Gen8+)
Message-ID:  <bug-251836-7141-XNdTwg3wbf@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-251836-7141@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251836

Guido Kollerie <guido@kollerie.com> changed:

           What    |Removed                     |Added
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                 CC|                            |guido@kollerie.com

--- Comment #25 from Guido Kollerie <guido@kollerie.com> ---
(In reply to Roman from comment #24)

Running FreeBSD 12.2 on a Thinkpad T480 (i5-8250U CPU / UHD Graphics 620) using
the modesetting driver I had the same issue running Plasma 5 after upgrading to
mesa-libs-20.2.3.

However with ~/.drirc

<driconf>
    <device driver="iris">
        <application name="kwin_x11" executable="kwin_x11">
            <!-- https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251836 -->
            <option name="glx_extension_override" value="-GLX_EXT_buffer_age"
/>
            <!-- https://gitlab.freedesktop.org/mesa/mesa/-/commit/580fbbb59a60
-->
            <option name="glx_disable_ext_buffer_age" value="true" />
        </application>
    </device>
</driconf>

Things work again. Thank you!

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