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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 - [BSW Regression]igt/gem_concurrent_blit/gtt-bcs-overwrite-source-forked fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84891">84891</a>
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<th>Summary</th>
<td>[BSW Regression]igt/gem_concurrent_blit/gtt-bcs-overwrite-source-forked fails
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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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>Keywords</th>
<td>bisect_pending
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>high
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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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>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=107690" name="attach_107690" title="dmesg">attachment 107690</a> <a href="attachment.cgi?id=107690&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
It's a igt regression bug
Good commit: 1244fc6b9bc56cdf1584e919230796082b93f371(here has another <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [BSW]igt/gem_concurrent_blit some subcases cause long time to execute"
href="show_bug.cgi?id=84354">bug
84354</a>)
Bud commit: 32a0308e2da1ed5871e21ca81822fc0c8aa73f9e
Non-working platforms: BSW
==kernel==
--------------------------
origin/drm-intel-nightly: ea4bec8e96ea8b33b49a7892c1c7f20041a56da6(fails)
drm-intel-nightly: 2014y-10m-09d-07h-58m-45s UTC integration manifest
origin/drm-intel-next-queued: a128efeaa64609a9672b51bb37bb703e1b0f0128(fails)
drm/i915: Suppress no action noise from oom shrinker
origin/drm-intel-fixes: bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9(fails)
Linux 3.17
==Bug detailed description==
igt/gem_concurrent_blit/gtt-bcs-overwrite-source-forked fails
Output:
[root@x-bsw01 tests]# ./gem_concurrent_blit --run-subtest
gtt-bcs-overwrite-source-forked
IGT-Version: 1.8-g32a0308 (x86_64) (Linux:
3.17.0_drm-intel-nightly_ea4bec_20141011+ x86_64)
using 2x512 buffers, each 1MiB
Test assertion failure function gtt_cmp_bo, file gem_concurrent_blit.c:124:
Failed assertion: vaddr[y*width+y] == val
error: 0xf000eef3 != 0xa
child 6 failed with exit status 99
Subtest gtt-bcs-overwrite-source-forked: FAIL (1.482s)
[root@x-bsw01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[ 2.201775] [drm:i915_stolen_to_physical] *ERROR* conflict detected with
stolen region: [0x7ce00000 - 0x7ee00000]
<3>[ 2.288612] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe A
FIFO underrun
==Reproduce steps==
----------------------------
1. ./gem_concurrent_blit --run-subtest gtt-bcs-overwrite-source-forked</pre>
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