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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - sna: (Haswell) X-server freezes when enabling DP at docking station"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71267#c53">Comment # 53</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - sna: (Haswell) X-server freezes when enabling DP at docking station"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71267">bug 71267</a>
from <span class="vcard"><a class="email" href="mailto:georgpichler@gmx.at" title="Georg Pichler <georgpichler@gmx.at>"> <span class="fn">Georg Pichler</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=71267#c50">comment #50</a>)
<span class="quote">> I also ran into this with a Thinkpad T440 and an Ultra Dock.
>
> I tried the patch in <a href="show_bug.cgi?id=71267#c11">Comment 11</a> as well as changing the udelay(100) to
> udelay(500), that <a href="show_bug.cgi?id=71267#c29">Comment 29</a> mentioned. Didn't change anything: As soon as I
> plug a monitor via VGA or DVI in the dock, the screen freezes and returns to
> normal on undocking.
>
> I would be happy to supply further information, if you tell me what you need.</span >
My bad. I tried it today with the DiplayPort connectors: Works like a charm
with the patched kernel. But, the DVI and VGA ports on the dock don't work.</pre>
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