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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IGT] [BXT-P] gem_pread_after_blit some subtest fail Unexpected value [regresion]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96359">96359</a>
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</tr>
<tr>
<th>Summary</th>
<td>[IGT] [BXT-P] gem_pread_after_blit some subtest fail Unexpected value [regresion]
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>humberto.i.perez.rodriguez@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=124310" name="attach_124310" title="dmesg.log">attachment 124310</a> <a href="attachment.cgi?id=124310&action=edit" title="dmesg.log">[details]</a></span>
dmesg.log
Bug description
===============================================
gem_pread_after_blit some subtest fail showing Unexpected value
last know good kernel :
commit 2ec823981d62c56d1511bda42b8295e31ece800f
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Sun May 22 18:23:13 2016 +0200
drm-intel-nightly: 2016y-05m-22d-16h-22m-45s UTC integration manifest
current kernel were the tests are fail
commit fb023a2062df06c9e097e1f8f2bcf252194b9413
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Mon May 30 10:46:14 2016 +0200
drm-intel-nightly: 2016y-05m-30d-08h-45m-53s UTC integration manifest
Attachments
===============================================
dmesg.log
Tests cases
===============================================
igt@gem_pread_after_blit@default-hang
igt@gem_pread_after_blit@display-hang
igt@gem_pread_after_blit@uncached-hang
igt@gem_pread_after_blit@snooped-hang
Gfx stack information
===============================================
--> Component : drm
tag : libdrm-2.4.68
commit : fc09c5a
--> Component : cairo
tag : 1.15.2
commit : db8a7f1
--> Component : intel-gpu-tools
tag : intel-gpu-tools-1.14-348-g303b380
commit : 303b380
Software information
===============================================
Kernel version :
4.6.0-drm-intel-nightly-ww23-commit-fb023a2+
Linux distribution : Ubuntu 16.04
Architecture : 64-bit
Bios revision : 138.25
KSC revision : 1.12
DMC revision : 1.07
Hardware information
===============================================
Platform : BXT-P
Motherboard model : Broxton P
Motherboard type : NOTEBOOK Hand Held
Motherboard manufacturer : Intel Corp.
CPU family : B1
CPU information : 06/5c
GPU Card : Intel Corporation Device 5a84 (rev 0a)
(prog-if 00 [VGA controller])
Test output
===============================================
IGT-Version: 1.14-g303b380 (x86_64) (Linux:
4.6.0-drm-intel-nightly-ww23-commit-fb023a2+ x86_64)
(gem_pread_after_blit:1238) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_pread_after_blit:1238) drmtest-DEBUG: Test requirement passed: fd >= 0
(gem_pread_after_blit:1238) igt-core-DEBUG: Starting subtest: default-hang
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
has_ban_period
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed:
has_gpu_reset(fd)
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed: ctx == 0 ||
ring == I915_EXEC_RENDER
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
has_ban_period
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed:
has_gpu_reset(fd)
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed: ctx == 0 ||
ring == I915_EXEC_RENDER
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
has_ban_period
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed:
has_gpu_reset(fd)
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed: ctx == 0 ||
ring == I915_EXEC_RENDER
(gem_pread_after_blit:1238) CRITICAL: Test assertion failure function
verify_small_read, file gem_pread_after_blit.c:115:
(gem_pread_after_blit:1238) CRITICAL: Failed assertion: buf[i / 4] == val
(gem_pread_after_blit:1238) CRITICAL: Unexpected value 0x00040000 instead of
0x00000000 at offset 0x00000000
Stack trace:
#0 [__igt_fail_assert+0x101]
#1 [verify_small_read+0x87]
#2 [<unknown>+0x87]
Subtest default-hang failed.
**** DEBUG ****
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
has_ban_period
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed:
has_gpu_reset(fd)
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed: ctx == 0 ||
ring == I915_EXEC_RENDER
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
has_ban_period
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed:
has_gpu_reset(fd)
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed: ctx == 0 ||
ring == I915_EXEC_RENDER
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_pread_after_blit:1238) ioctl-wrappers-DEBUG: Test requirement passed:
has_ban_period
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed:
has_gpu_reset(fd)
(gem_pread_after_blit:1238) igt-gt-DEBUG: Test requirement passed: ctx == 0 ||
ring == I915_EXEC_RENDER
(gem_pread_after_blit:1238) CRITICAL: Test assertion failure function
verify_small_read, file gem_pread_after_blit.c:115:
(gem_pread_after_blit:1238) CRITICAL: Failed assertion: buf[i / 4] == val
(gem_pread_after_blit:1238) CRITICAL: Unexpected value 0x00040000 instead of
0x00000000 at offset 0x00000000
**** END ****
Subtest default-hang: FAIL (0.017s)
(gem_pread_after_blit:1238) igt-core-DEBUG: Exiting with status code 99</pre>
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