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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Bisected]igt/debugfs_reader i915 sysfs path not found"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66533">66533</a>
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<th>CC</th>
<td>xunx.fang@intel.com, yangweix.shui@intel.com
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[Bisected]igt/debugfs_reader i915 sysfs path not found
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<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>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Product</th>
<td>DRI
</td>
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<p>
<div>
<pre>System Environment:
--------------------------
Arch: x86_64
Platform: ILK/SNB/IVB/HSW
Kernel: drm-intel-next-queued ef86ddced720fddc3835558447a7f594d3609c73
Bug detailed description:
-----------------------------
It happens on ironlake sandybridge ivybridge and haswell with
drm-intel-next-queued and drm-intel-fixes kernel.
Following cases also have this issue:
igt/debugfs_emon_crash
igt/test_rte_check
igt/ZZ_hangman
Bisect shows:6fd652ac1db1b572af6cc4a040ca357707503f5b is the first bad commit.
commit 6fd652ac1db1b572af6cc4a040ca357707503f5b
Author: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
AuthorDate: Thu Jun 27 16:54:43 2013 +0300
Commit: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
CommitDate: Mon Jul 1 18:54:53 2013 +0200
tests: add i915_sfs_path
To access 'error_state' through sysfs.
Signed-off-by: Mika Kuoppala <<a href="mailto:mika.kuoppala@intel.com">mika.kuoppala@intel.com</a>>
Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
output:
i915 sysfs path not found.
Reproduce steps:
----------------------------
1. ./debugfs_reader</pre>
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