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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW] Sometimes dmesg shows " *ERROR* EDID checksum is invalid" when connected with HDMI monitor"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89601">89601</a>
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<th>Summary</th>
<td>[BSW] Sometimes dmesg shows " *ERROR* EDID checksum is invalid" when connected with HDMI monitor
</td>
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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>Other
</td>
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<th>OS</th>
<td>All
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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
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>jeff.zheng@intel.com
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<pre>Created <span class=""><a href="attachment.cgi?id=114368" name="attach_114368" title="dmesg when boot is fine but hot plug shows ERROR">attachment 114368</a> <a href="attachment.cgi?id=114368&action=edit" title="dmesg when boot is fine but hot plug shows ERROR">[details]</a></span>
dmesg when boot is fine but hot plug shows ERROR
==System Environment==
--------------------------
HDMI monitor: ASUS PA238Q
BIOS: V59
Regression: No. Tried on testing 01-30 and still saw this issue.
Non-working platforms: BSW
==kernel==
--------------------------
-testing: drm-intel-testing-2015-03-13 (fails)
==Bug detailed description==
-----------------------------
When connected ASUS PA238Q monitor with HDMI cable, sometime dmesg shows
[ 2.397263] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is *
Sometimes reboot the system has such error, in this case HDMI monitor is black.
"testdisplay -i" may/maynot light the monitor.
When booting system does not show the message, hot plug in/out HDMI cable might
also get such error.
==Reproduce steps==
----------------------------
1. Connected ASUS PA238Q with HDMI cable and boot
2. Hot plug in/out HDMI cable
3. dmesg</pre>
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