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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW/BYT]igt/drm_read subcases short-buffer-block and short-buffer-nonblock fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87094">87094</a>
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<th>Summary</th>
<td>[HSW/BYT]igt/drm_read subcases short-buffer-block and short-buffer-nonblock fail
</td>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<pre>Created <span class=""><a href="attachment.cgi?id=110560" name="attach_110560" title="dmesg">attachment 110560</a> <a href="attachment.cgi?id=110560&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: No
They are new cases
Non-working platforms: HSW BYT
==kernel==
--------------------------
origin/drm-intel-nightly: 2014_12_08(fails)
origin/drm-intel-next-queued: bcfcc8ba29c933ee98c7f498ee7ccfa17be400dd(fails)
drm/i915: Additional request structure tracing
origin/drm-intel-fixes: 9cca30688043eb1b6569f794041dfeec218dffa5(works)
drm/i915: Handle inaccurate time conversion issues
==Bug detailed description==
-----------------------------
igt/drm_read subcases short-buffer-block and short-buffer-nonblock fail
Output:
[root@x-hsw24 tests]# ./drm_read --run-subtest short-buffer-block
IGT-Version: 1.8-g819e68f (x86_64) (Linux:
3.18.0-rc7_drm-intel-nightly_bfdd01_20141208+ x86_64)
Test assertion failure function test_short_buffer, file drm_read.c:148:
Failed assertion: read(fd, buffer, 4) == 0
Last errno: 11, Resource temporarily unavailable
error: -1 != 0
Subtest short-buffer-block: FAIL (0.000s)
[root@x-hsw24 tests]# ./drm_read --run-subtest short-buffer-nonblock
IGT-Version: 1.8-g819e68f (x86_64) (Linux:
3.18.0-rc7_drm-intel-nightly_bfdd01_20141208+ x86_64)
Test assertion failure function test_short_buffer, file drm_read.c:148:
Failed assertion: read(fd, buffer, 4) == 0
Last errno: 11, Resource temporarily unavailable
error: -1 != 0
Subtest short-buffer-nonblock: FAIL (0.000s)
Reproduce steps:
-------------------------
1. ./drm_read --run-subtest short-buffer-block</pre>
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