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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>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ILK]igt/kms_render/gpu-blit randomly causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67243">67243</a>
</td>
</tr>
<tr>
<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>[ILK]igt/kms_render/gpu-blit randomly causes system hang
</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>Linux (All)
</td>
</tr>
<tr>
<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>
<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=82900" name="attach_82900" title="dmesg">attachment 82900</a> <a href="attachment.cgi?id=82900&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Ironlake
Kernel: (drm-intel-fixes)363202bb22467ea1de6dd284b78eff5cf517db66
Bug detailed description:
-----------------------------
It randomly causes system hang on Ironlake with drm-intel-fixes and
drm-intel-next-queued kernel.
It happens 1 in 5 runs.
output:
Beginning test gpu-blit with 1366x768 @ 60Hz / RGB565 on pipe A, encoder TMDS,
connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 60Hz / RGB565 on pipe A, encoder TMDS, connector
Embedded DisplayPort: PASSED
Beginning test gpu-blit with 1366x768 @ 60Hz / RGB888 on pipe A, encoder TMDS,
connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 60Hz / RGB888 on pipe A, encoder TMDS, connector
Embedded DisplayPort: SKIPPED
Beginning test gpu-blit with 1366x768 @ 60Hz / XRGB8888 on pipe A, encoder
TMDS, connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 60Hz / XRGB8888 on pipe A, encoder TMDS,
connector Embedded DisplayPort: PASSED
Beginning test gpu-blit with 1366x768 @ 60Hz / XRGB2101010 on pipe A, encoder
TMDS, connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 60Hz / XRGB2101010 on pipe A, encoder TMDS,
connector Embedded DisplayPort: PASSED
Beginning test gpu-blit with 1366x768 @ 60Hz / ARGB8888 on pipe A, encoder
TMDS, connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 60Hz / ARGB8888 on pipe A, encoder TMDS,
connector Embedded DisplayPort: PASSED
Beginning test gpu-blit with 1366x768 @ 40Hz / RGB565 on pipe A, encoder TMDS,
connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 40Hz / RGB565 on pipe A, encoder TMDS, connector
Embedded DisplayPort: PASSED
Beginning test gpu-blit with 1366x768 @ 40Hz / RGB888 on pipe A, encoder TMDS,
connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 40Hz / RGB888 on pipe A, encoder TMDS, connector
Embedded DisplayPort: SKIPPED
Beginning test gpu-blit with 1366x768 @ 40Hz / XRGB8888 on pipe A, encoder
TMDS, connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 40Hz / XRGB8888 on pipe A, encoder TMDS,
connector Embedded DisplayPort: PASSED
Beginning test gpu-blit with 1366x768 @ 40Hz / XRGB2101010 on pipe A, encoder
TMDS, connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 40Hz / XRGB2101010 on pipe A, encoder TMDS,
connector Embedded DisplayPort: PASSED
Beginning test gpu-blit with 1366x768 @ 40Hz / ARGB8888 on pipe A, encoder
TMDS, connector Embedded DisplayPort
Test gpu-blit with 1366x768 @ 40Hz / ARGB8888 on pipe A, encoder TMDS,
connector Embedded DisplayPort: PASSED
Reproduce steps:
----------------------------
1. run ./kms_render --run-subtest gpu-blit 5 cycles</pre>
</div>
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