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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Semaphores]igt/gem_reset_stats/close-pending-bsd causes " [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!""
href="https://bugs.freedesktop.org/show_bug.cgi?id=81317#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Semaphores]igt/gem_reset_stats/close-pending-bsd causes " [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!""
href="https://bugs.freedesktop.org/show_bug.cgi?id=81317">bug 81317</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=81317#c1">comment #1</a>)
<span class="quote">> So i915.semaphores=0 prevents the hang?</span >
Yes, boot the device with "i915.semaphores=0", test result was passed.
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_reset_stats
--run-subtest close-pending-bsd
IGT-Version: 1.7-g4d4f4b2 (x86_64) (Linux:
3.16.0-rc5_drm-intel-nightly_873440_20140721_debug+ x86_64)
Subtest close-pending-bsd: SUCCESS</pre>
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