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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 --- - [BDW Regression]igt/gem_render_tiled_blits fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83335">83335</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>[BDW Regression]igt/gem_render_tiled_blits 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=105534" name="attach_105534" title="dmesg">attachment 105534</a> <a href="attachment.cgi?id=105534&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
It's a i-g-t regression issue
Good commit: 2ef19ad79a07d862a2dc799ab2e71d2ad91c9065
Bad commit: c12f292b1d8bbc61b65f1dfc3fd4a9e1e286dbee
Non-working platforms: BDW
==kernel==
--------------------------
origin/drm-intel-nightly: 6e9c5b9d428bb075293ec865ba58f90931187a48(fails)
drm-intel-nightly: 2014y-08m-29d-21h-34m-26s integration manifest
origin/drm-intel-next-queued: c101c5b635bee54e43d0732473d2f80b2a0e00f4(fails)
drm/i915: make fbdev initialization asynchronous v2
origin/drm-intel-fixes: bbe1c2740d3a25aa1dbe5d842d2ff09cddcdde0a(fails)
drm/i915: Remove bogus __init annotation from DMI callbacks
==Bug detailed description==
igt/gem_render_tiled_blits fails
Output:
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_render_tiled_blits
IGT-Version: 1.7-gd6af004 (x86_64) (Linux:
3.17.0-rc2_drm-intel-nightly_6e9c5b_20140901+ x86_64)
not enough RAM to run test, reducing buffer count
Using 3486 1MiB buffers
Using a snoop linear buffer for comparisons
Verifying initialisation...
Test assertion failure function check_bo, file gem_render_tiled_blits.c:90:
Failed assertion: ptr[i] == val
Expected 0x00000001, found 0x00000000 at offset 0x00000004
==Reproduce steps==
----------------------------
1. ./gem_render_tiled_blits</pre>
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