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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [hsw DP] Haswell Iris 5100 DisplayPort stops working when USB device is connected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85670#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [hsw DP] Haswell Iris 5100 DisplayPort stops working when USB device is connected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85670">bug 85670</a>
from <span class="vcard"><a class="email" href="mailto:a.pronobis@gmail.com" title="Andrzej Pronobis <a.pronobis@gmail.com>"> <span class="fn">Andrzej Pronobis</span></a>
</span></b>
<pre><span class="quote">> Does it make a difference what kind of USB device is connected to the port? </span >
There is a difference, but it is related to the use of USB 3.0. If I use a USB
stick using 2.0, things work fine. Then, even a usb stick that is capable of
using USB 3.0 will trigger the issue.
<span class="quote">> Oh, and does the USB device work fine even if the DP stops working?</span >
So far, yes. Although I did not test very extensively. It is detected and I can
successfully mount the USB stick or use the USB ethernet card.
<span class="quote">> Also, can you reproduce the problem if you connect something to an USB port that is "distant" from the DP port?</span >
I cannot. The other USB 3.0 port works fine and does not trigger the issue.</pre>
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