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<head>
<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 --- - [HSW Regression]igt/drv_module_reload fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80176">80176</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>bisect_pending
</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 Regression]igt/drv_module_reload fails
</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=101281" name="attach_101281" title="dmesg">attachment 101281</a> <a href="attachment.cgi?id=101281&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
Good commit on -fixes: e4c610fe051579ba0a1fadf339905b0231c6ef94
Non-working platforms: HSW
==kernel==
--------------------------
origin/drm-intel-nightly: fff6c5111af7356d3815521f597959554e7bc1cc(fails)
drm-intel-nightly: 2014y-06m-18d-00h-49m-52s integration manifest
origin/drm-intel-next-queued: 27b6c122512ca30399bb1b39cc42eda83901f304(works)
drm/i915/chv: Ack interrupts before handling them (CHV)
origin/drm-intel-fixes: 223a6f2b975ab35d93270ea1d4fb6e0ac6b27fe6(fails)
drm/i915/bdw: remove erroneous chv specific workarounds from bdw code
==Bug detailed description==
-----------------------------
igt/kms_pipe_crc_basic causes "WARNING: CPU: 3 PID: 4309 at
drivers/gpu/drm/i915/intel_pm.c:6174 check_power_well_state+0x69/0x6f [i915]()"
sporadically
Output:
[root@x-hsw27 tests]# ./drv_module_reload
rmmod: ERROR: Module i915 is in use
WARNING: i915.ko still loaded!
module successfully loaded again
==Reproduce steps==
----------------------------
1. ./drv_module_reload</pre>
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