drm-next-kmod regression

[Manuel Stühn]

On Fri, Mar 02, 2018 at 08:52:14PM +0100, Hans Petter Selasky wrote:
>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?

uname -a
FreeBSD freebsd-t420 12.0-CURRENT FreeBSD 12.0-CURRENT #11 r330283: Fri 
Mar  2 17:35:08 CET 2018     
root at valinor:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG  amd64

>Did you build drm-next-kmod from source?

Yes, ports from today built against the revision mentioned above.