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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Blank screens [drm:intel_mst_enable_dp [i915]] *ERROR* Timed out waiting for ACT sent"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105175">105175</a>
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<th>Summary</th>
<td>Blank screens [drm:intel_mst_enable_dp [i915]] *ERROR* Timed out waiting for ACT sent
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>major
</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>drgspt@gmail.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=137470" name="attach_137470" title="4.15.4 log">attachment 137470</a> <a href="attachment.cgi?id=137470&action=edit" title="4.15.4 log">[details]</a></span>
4.15.4 log
ThinkPad X1 Carbon 4th Gen running i7-6600u Skylake
Displays connected to ThinkPad OneLink Plus Dock work in bios/grub and on
kernel version 4.14.20, but fail to light up on kernel 4.15.4
drm.debug=0xe logs attached
available firmwares:
/lib/firmware/i915/skl_huc_ver01_07_1398.bin
/lib/firmware/i915/skl_guc_ver9_33.bin
/lib/firmware/i915/skl_guc_ver6_1.bin
/lib/firmware/i915/skl_dmc_ver1_26.bin</pre>
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