[Intel-gfx] Intel HD 4000 and Sunix DPD2000 scrolling screen

[Karsten Nielsen]

Hi,

As promised

dmesg is here http://home.foo-bar.dk/dmesg.txt
and the video http://home.foo-bar.dk/i915-scrolling.mp4


- Karsten


-----Original message-----
From: Daniel Vetter <daniel at ffwll.ch>
Sent: Thursday 20th December 2012 10:49
To: Karsten Nielsen <karsten at foo-bar.dk>
Cc: intel-gfx at lists.freedesktop.org
Subject: Re: [Intel-gfx] Intel HD 4000 and Sunix DPD2000 scrolling screen


On Wed, Dec 19, 2012 at 8:44 PM, Karsten Nielsen <karsten at foo-bar.dk <mailto:karsten at foo-bar.dk> > wrote:
> I have bought a Lenovo X1 carbon which have a integrated Intel HD 4000 graphics chip and wanted to attach 2 external monitors however there is only one mini-DislpayPort in this machine.
>
> I found a Sunix DPD2000 displayport splitter and it works and percents a nice 3840x1200 display to me but the screen scrolls I cannot get it to stop.
>
> System:
> Debian sid with kernel 3.7
> xserver-xorg                      1:7.7+1
> xserver-xorg-video-intel  2:2.20.14-1
>
> Anyone have suggestions ?

Make a short video of the scrolling behaviour and upload it somewhere
please. Also, please boot with drm.debug=0xe added to your kernel
cmdline and attach the complete dmesg after the monitor is enable

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch <http://blog.ffwll.ch> 


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