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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 --- - [BSW Regression]igt/gem_tiled_partial_pwrite_pread/writes causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81989">81989</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>[BSW Regression]igt/gem_tiled_partial_pwrite_pread/writes causes system hang
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<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>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>==System Environment==
--------------------------
Regression: Yes.
Good commit on -next-queued: c79057922ed6c2c6df1214e6ab4414fea1b23db2(skipped)
Non-working platforms: BSW
==kernel==
--------------------------
origin/drm-intel-nightly: ddbc288690cd888dd6f5629ccba9a2691a70b7b0(fails)
drm-intel-nightly: 2014y-07m-31d-10h-07m-17s integration manifest
origin/drm-intel-next-queued: 17c58fe801f5588c5904cc2f15620f7f5a465b53(fails)
drm/i915: Align intel_dsi*.c files a bit
origin/drm-intel-fixes: f4be89cecea437aaddd7700d05c6bdb5678041f7(works)
drm/i915: Fix crash when failing to parse MIPI VBT
==Bug detailed description==
igt/gem_tiled_partial_pwrite_pread/writes causes system hang
Output:
[root@x-bsw01 tests]# time ./gem_tiled_partial_pwrite_pread --run-subtest
writes
IGT-Version: 1.7-gde1e877 (x86_64) (Linux:
3.16.0-rc6_drm-intel-nightly_c95053_20140731+ x86_64)
partial writes test: 9%
Unable to get dmesg because system hang
==Reproduce steps==
----------------------------
1. ./gem_tiled_partial_pwrite_pread --run-subtest writes</pre>
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