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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [i915 Bayley Bay] Graphics shake/jitter observed when seen on DP monitor"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75880">75880</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[i915 Bayley Bay] Graphics shake/jitter observed when seen on DP monitor
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>achandran@mvista.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86 (IA32)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/intel
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=95297" name="attach_95297" title="Jitter on DP monitor">attachment 95297</a> <a href="attachment.cgi?id=95297&action=edit" title="Jitter on DP monitor">[details]</a></span>
Jitter on DP monitor
Hi,
I have connected a VGA and a DP monitor on Bayley Bay platform.
I am booting ubuntu 13.10 with the kernel
<a href="http://cgit.freedesktop.org/drm-intel/log/?h=drm-intel-fixes">http://cgit.freedesktop.org/drm-intel/log/?h=drm-intel-fixes</a>
##################################
arun@arun-valley-view:~$ uname -a
Linux arun-valley-view 3.14.0-rc5-g24bd9bf #1 SMP PREEMPT Fri Mar 7 14:42:49
IST 2014 i686 i686 i686 GNU/Linux
arun@arun-valley-view:~$ X -version
X.Org X Server 1.14.5
Release Date: 2013-12-12
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.2.0-54-generic i686 Ubuntu
Current Operating System: Linux arun-valley-view 3.14.0-rc5-g24bd9bf #1 SMP
PREEMPT Fri Mar 7 14:42:49 IST 2014 i686
Kernel command line: BOOT_IMAGE=bzImage console=ttyS0,115200n8 rw
root=/dev/sda8 rootwait rootfstype=ext4 log_buf_len=32M
Build Date: 17 December 2013 10:03:52AM
xorg-server 2:1.14.5-1ubuntu2~saucy1 (For technical support please see
<a href="http://www.ubuntu.com/support">http://www.ubuntu.com/support</a>)
Current version of pixman: 0.30.2
Before reporting problems, check <a href="http://wiki.x.org">http://wiki.x.org</a>
to make sure that you have the latest version.
##################################
If I write click in the desktop on the DP port monitor and go through the menu
items I am observing shakes or vibrations
This problem is not seen when I boot only VGA or DP. It comes only during dual
display configuration.
I am observing jitters right now if I move my mouse.
Regards,
Arun C</pre>
</div>
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