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Subject: Re: drm-next-kmod regression
To: =?UTF-8?Q?Manuel_St=c3=bchn?= <freebsdnewbie@freenet.de>,
 freebsd-current@freebsd.org
References: <20180302164045.GA45988@freebsd-t420.fritz.box>
From: Hans Petter Selasky <hps@selasky.org>
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Date: Fri, 2 Mar 2018 20:52:14 +0100
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On 03/02/18 17:40, Manuel Stühn wrote:
> Hi,
> the last drm-next-kmod worked fine on my Lenovo T420 with i5-2520M and a 
> HD Graphics 3000. After the update to the actual version (4.11) from 
> ports, I'm seeing regression in form of a very slow xfce4-desktop. The 
> slowness starts after some short time. Slow means for example that I can 
> type faster than the terminal prints the chars or when i move windows 
> they lag extremely behind the mouse's motion.
> 
> One entry in Xorg.0.log caught my attention:
> [   128.266] (EE) intel(0): Failed to submit rendering commands (Bad 
> address), disabling acceleration.
> 
> Disabling the xfce4-compositor improves the situation significantly, but 
> not entirely.
> 
> Switching back to the systems i915 driver resolves the issue.
> 
> Any ideas?
> 

Which version of FreeBSD is this. Are you using the latest kernel 
sources? Did you build drm-next-kmod from source?

--HPS