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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 - two displays work; another is detected but black. dmesg told me to file a new bug here"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107145">107145</a>
</td>
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<tr>
<th>Summary</th>
<td>two displays work; another is detected but black. dmesg told me to file a new bug here
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</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>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>flower@k1024.de
</td>
</tr>
<tr>
<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>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=140485" name="attach_140485" title="/sys/class/drm/card0/error">attachment 140485</a> <a href="attachment.cgi?id=140485&action=edit" title="/sys/class/drm/card0/error">[details]</a></span>
/sys/class/drm/card0/error
ASUS PRIME B250M-C. Intel i7 6700K CPU
Kernel: 4.17.3-1-ARCH
Effect: HDMI and Displayport works; DVI-D does not.
Screen is detected and used by Xorg (i can move my mouse on it) but it stays
black. It does work on console - but there all screens are mirrored
dmesg shows:
[flower@vicky ~]$ dmesg |grep drm
[ 0.815471] [drm] VT-d active for gfx access
[ 0.815473] fb: switching to inteldrmfb from EFI VGA
[ 0.815563] [drm] Replacing VGA console driver
[ 0.816372] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 0.816372] [drm] Driver supports precise vblank timestamp query.
[ 0.817011] [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin
(v1.27)
[ 0.817303] [drm] Disabling framebuffer compression (FBC) to prevent screen
flicker with VT-d enabled
[ 0.821377] [drm] HuC: Loaded firmware i915/skl_huc_ver01_07_1398.bin
(version 1.7)
[ 0.832003] [drm] GuC: Loaded firmware i915/skl_guc_ver9_33.bin (version
9.33)
[ 0.845183] [drm] Initialized i915 1.6.0 20180308 for 0000:00:02.0 on minor
0
[ 1.009185] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 70.967122] [drm] GPU HANG: ecode 9:0:0x84d77cfc, in Xorg [846], reason: No
progress on rcs0, action: reset
[ 70.967124] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 70.967124] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 70.967125] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 70.967125] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 70.967126] [drm] GPU crash dump saved to /sys/class/drm/card0/error
Crash dump from is supplied as attachment /sys/class/drm/card0/error
Please tell me if you need any additional inforomation.</pre>
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