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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Brytrail-I E3845 DisplayPort blank screen on boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100698">100698</a>
</td>
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<th>Summary</th>
<td>Brytrail-I E3845 DisplayPort blank screen on boot
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>XOrg git
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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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>
</tr>
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<th>Reporter</th>
<td>shadow.yang@advantech.com.tw
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=130872" name="attach_130872" title="dmesg_OK.log">attachment 130872</a> <a href="attachment.cgi?id=130872&action=edit" title="dmesg_OK.log">[details]</a></span>
dmesg_OK.log
The system platform is BayTrail-I E3845 and distribution is UBuntu 16.04.2
server x64, kernel 4.4.0. Sometimes the monitor will blank on boot and cannot
see the login prompt, BIOS is legacy VBIOS. We add drm.debug=0x1e to grub,
dmesg_OK.log is monitor working with DP signal and dmesg_NG.log is monitor
getting no signal.</pre>
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</p>
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