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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW ULT]igt/kms_flip/flip-vs-panning-vs-hang-interruptible causes [drm:intel_uncore_check_errors] *ERROR* Unclaimed register before interrupt"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69747">69747</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW ULT]igt/kms_flip/flip-vs-panning-vs-hang-interruptible causes [drm:intel_uncore_check_errors] *ERROR* Unclaimed register before interrupt
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=86433" name="attach_86433" title="dmesg">attachment 86433</a> <a href="attachment.cgi?id=86433&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Haswell ULT
Kernel: (drm-intel-next-queued)1b068ee25776533074251f1c6276c5f720c0284b
Bug detailed description:
-----------------------------
It causes <3>[ 326.885041] [drm:intel_uncore_check_errors] *ERROR* Unclaimed
register before interrupt. It happens on haswell ULT with -queued,-fixes and
-nightly kernel. I can't find out a good commit.
output:
Using monotonic timestamps
Beginning flip-vs-panning-vs-hang-interruptible on crtc 3, connector 10
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
...
flip-vs-panning-vs-hang-interruptible on crtc 3, connector 10: PASSED
Beginning flip-vs-panning-vs-hang-interruptible on crtc 5, connector 10
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
...
flip-vs-panning-vs-hang-interruptible on crtc 5, connector 10: PASSED
Beginning flip-vs-panning-vs-hang-interruptible on crtc 7, connector 10
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
...
flip-vs-panning-vs-hang-interruptible on crtc 7, connector 10: PASSED
Subtest flip-vs-panning-vs-hang-interruptible: SUCCESS
Reproduce steps:
----------------------------
1. ./kms_flip --run-subtest flip-vs-panning-vs-hang-interruptible</pre>
</div>
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