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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]Subcases mmap_cpu and page_flip_and_mmap_cpu of kms_fbc_crc fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77868">77868</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]Subcases mmap_cpu and page_flip_and_mmap_cpu of kms_fbc_crc fail
</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>
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<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=97872" name="attach_97872" title="dmesg">attachment 97872</a> <a href="attachment.cgi?id=97872&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: HSW
kernel: (drm-intel-next-queued) c79057922ed6c2c6df1214e6ab4414fea1b23db2
Bug detailed description:
----------------------------
Subcases mmap_cpu and page_flip_and_mmap_cpu of kms_fbc_crc fail on
-nightly(35dc7c8af75a3e5ae52a5469786602ce083a6368) and
-next-queued(c79057922ed6c2c6df1214e6ab4414fea1b23db2)
This bug always fail
output on -next-queued kernel:
./kms_fbc_crc --run-subtest page_flip_and_mmap_cpu
IGT-Version: 1.6-g78e4c2b (x86_64) (Linux:
3.14.0_drm-intel-next-queued_f68918_20140424+ x86_64)
Beginning page_flip_and_mmap_cpu on crtc 5, connector 13
Test assertion failure function test_crc, file kms_fbc_crc.c:316:
Last errno: 0, Success
Failed assertion: !igt_crc_equal(&crcs[0], &data->ref_crc[1])
Subtest page_flip_and_mmap_cpu: FAIL
Reproduce steps:
----------------------------
1. ./kms_fbc_crc --run-subtest mmap_cpu
or
./kms_fbc_crc --run-subtest page_flip_and_mmap_cpu</pre>
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