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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB/HSW/BDW Bisected]igt/pm_rps subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83915">83915</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>[IVB/HSW/BDW Bisected]igt/pm_rps subcases 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>
<tr>
<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>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=106352" name="attach_106352" title="dmesg">attachment 106352</a> <a href="attachment.cgi?id=106352&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
They are igt regression issue
Non-working platforms: IVB HSW BDW
==kernel==
--------------------------
origin/drm-intel-nightly:43df30da20447e2856b2761215ff274886a9f931(fails)
drm-intel-nightly: 2014y-09m-12d-15h-35m-20s UTC integration manifest
origin/drm-intel-next-queued:648fb42d1e77cf90cddea2b1cf1f4ac4453e65e6(works)
drm/i915: Extend BIOS stolen mem handling to all platform
origin/drm-intel-fixes: e76c8c5979021483a3a6b480cfe360c644a403c0(works)
drm/i915: Fix SRC_COPY width on 830/845g
origin/drm-fixes: 83502a5d34386f7c6973bc70e1c423f55f5a2e3a(works)
==Bug detailed description==
-----------------------------
igt/pm_rps subcases reset and blocking fail
Output:
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rps
--run-subtest reset
IGT-Version: 1.8-g137877f (x86_64) (Linux:
3.17.0-rc4_drm-intel-nightly_43df30_20140916+ x86_64)
Test assertion failure function idle_check, file pm_rps.c:408:
Failed assertion: freqs[CUR] == freqs[MIN]
error: 900 != 100
Subtest reset: FAIL (49.044s)
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rps
--run-subtest blocking
IGT-Version: 1.8-g137877f (x86_64) (Linux:
3.17.0-rc4_drm-intel-nightly_43df30_20140916+ x86_64)
Test assertion failure function idle_check, file pm_rps.c:408:
Failed assertion: freqs[CUR] == freqs[MIN]
error: 900 != 100
Subtest blocking: FAIL (45.020s)
==Reproduce steps==
----------------------------
1. ./pm_rps --run-subtest reset
==Bisect results==
----------------------------
Bisect shows: 3a1751ef34c32c5d288a328d855bec49ad0eaf9f is the first bad commit
commit 3a1751ef34c32c5d288a328d855bec49ad0eaf9f
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
AuthorDate: Fri Sep 12 06:46:28 2014 +0100
Commit: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
CommitDate: Fri Sep 12 06:47:20 2014 +0100
igt/pm_rps: Fix the batch count for emitting the flush
Bugzilla: <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BYT/BDW/BSW Regression]igt/pm_rps some subcases fail and cause " [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!""
href="show_bug.cgi?id=81858#c2">https://bugs.freedesktop.org/show_bug.cgi?id=81858#c2</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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