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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB Macbook HDMI] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89908">89908</a>
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<th>Summary</th>
<td>[IVB Macbook HDMI] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>chris.bainbridge@gmail.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<pre>Hardware: IVB Macbook Pro 13
Kernel: latest git 4.0-rc6+ f8b3d8a
(also get same error with Debian kernel 3.16.0-4)
Reproduce:
- Boot with external monitor on HDMI port (using HDMI->DVI adaptor)
Result:
[ 1.500888] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP,
aborting
[ 1.517432] [drm:ironlake_crtc_enable] *ERROR* mode set failed: pipe A stuck
xorg: laptop display blank, monitor corrupt
Full dmesg attached.
HDMI only = FAIL
HDMI+DP = FAIL
HDMI+DP1+DP2 = OK
DP1 = OK
DP1+DP2 = OK
Interestingly the triple monitor setup works ok but all other setups using HDMI
port fail. Setups without HDMI port work OK.</pre>
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