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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW Regression] System will hang after suspend/resume for several times."
href="https://bugs.freedesktop.org/show_bug.cgi?id=89005">89005</a>
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<th>Summary</th>
<td>[BSW Regression] System will hang after suspend/resume for several times.
</td>
</tr>
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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
</td>
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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>jeff.zheng@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<pre>==System Environment==
--------------------------
BIOS: V55 with 'dynamic memory self refresh' disabled
Regression: Yes. It works on drm-intel-testing-2014-12-05.
Non-working platforms: BSW
==kernel==
--------------------------
-testing: 2015_01_30 commit 4d3645e40c7039f60b6db0ce9c2251ac34faef81 (fails)
==Bug detailed description==
-----------------------------
I tried suspend/resume with S3 for several and found system hangs.
Saw the same issue when suspend/resume with S4.
Will try to capture dmesg and bisect next work day.
==Reproduce steps==
----------------------------
1. Boot and login
2. echo mem > /sys/power/state
3. Click keyboard key to resume
4. Repeat step 2,3 for several times, system hangs.</pre>
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