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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108826">108826</a>
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<tr>
<th>Summary</th>
<td>Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI 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>
</tr>
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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
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>mirek190@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=142557" name="attach_142557" title="kernel log">attachment 142557</a> <a href="attachment.cgi?id=142557&action=edit" title="kernel log">[details]</a></span>
kernel log
The screen after the grub is getting black ( backlight is still working ).
System is booting normally - after that backlight screen is working .. and
black all the time.
I can control brightness by shortcuts.
If connect HDMI cable then on the new via HDMI the screen works perfect but on
the device screen is still black unfortunately .
I attached the kernel.
- edid from windows 10
Monitor
Model name............... WLY-10102FHD
Windows description...... Generic PnP Monitor
Manufacturer............. AUO
Plug and Play ID......... AUO17D8
Serial number............ n/a
Manufacture date......... 2013, ISO week 11
Filter driver............ None
-------------------------
EDID revision............ 1.4
Input signal type........ Digital
Color bit depth.......... 8 bits per primary color
Color encoding formats... RGB 4:4:4, YCrCb 4:4:4
Screen size.............. 140 x 220 mm (10,3 in)
Power management......... Active off/sleep
Extension blocs.......... None
-------------------------
DDC/CI................... n/a
Color characteristics
Default color space...... sRGB
Display gamma............ 3,55
Red chromaticity......... Rx 0,625 - Ry 0,340
Green chromaticity....... Gx 0,285 - Gy 0,605
Blue chromaticity........ Bx 0,148 - By 0,063
White point (default).... Wx 0,281 - Wy 0,309
Additional descriptors... None
Thanks for any help.</pre>
</div>
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