<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <meta name="Generator" content="Zarafa WebApp v7.1.0-36420"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>RE: [Intel-gfx] Intel HD 4000 and Sunix DPD2000 scrolling screen</title> </head> <body> Hi, As promised dmesg is here http://home.foo-bar.dk/dmesg.txt and the video http://home.foo-bar.dk/i915-scrolling.mp4 <pre style="white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; white-space: pre-wrap; word-wrap: break-word;" wrap=""> - Karsten </pre> <blockquote style="border-left: 2px solid #325FBA; padding-left: 5px; margin-left: 5px; margin-right: 0px;">-----Original message----- From: Daniel Vetter <daniel@ffwll.ch> Sent: Thursday 20th December 2012 10:49 To: Karsten Nielsen <karsten@foo-bar.dk> Cc: intel-gfx@lists.freedesktop.org Subject: Re: [Intel-gfx] Intel HD 4000 and Sunix DPD2000 scrolling screen <pre style="white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; white-space: pre-wrap; word-wrap: break-word;" wrap="">On Wed, Dec 19, 2012 at 8:44 PM, Karsten Nielsen <<a href="mailto:karsten@foo-bar.dk">karsten@foo-bar.dk</a>> 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 - <a href="http://blog.ffwll.ch" target="_blank">http://blog.ffwll.ch</a> </pre></blockquote> </body> </html>