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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BYT/BDW/BSW Regression]igt/pm_rps some subcases fail and cause " [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!""
href="https://bugs.freedesktop.org/show_bug.cgi?id=81858#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BYT/BDW/BSW Regression]igt/pm_rps some subcases fail and cause " [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!""
href="https://bugs.freedesktop.org/show_bug.cgi?id=81858">bug 81858</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=81858#c4">comment #4</a>)
<span class="quote">> This failure is able to reproduce while run tests below:
> igt/gem_partial_pwrite_pread/reads-snoop
> igt/gem_partial_pwrite_pread/write-snoop
> igt/gem_partial_pwrite_pread/writes-after-reads-snoop
> igt/gem_pread_after_blit/interruptible-snoop
> igt/gem_pread_after_blit/normal-snoop
>
> root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
> ./gem_partial_pwrite_pread --run-subtest reads-snoop
> IGT-Version: 1.8-g107151c (x86_64) (Linux:
> 3.17.0-rc4_drm-intel-nightly_72faa6_20140911+ x86_64)
> checking partial reads
> Test assertion failure function intel_batchbuffer_flush_on_ring, file
> intel_batchbuffer.c:180:
> Failed assertion: (drm_intel_gem_bo_context_exec(batch->bo, ctx, used,
> ring)) == 0
> Last errno: 22, Invalid argument
> Subtest reads-snoop: FAIL (0.248s)
> root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
> ./gem_pread_after_blit --run-subtest interruptible-snoop
> IGT-Version: 1.8-g107151c (x86_64) (Linux:
> 3.17.0-rc4_drm-intel-nightly_72faa6_20140911+ x86_64)
> Test assertion failure function intel_batchbuffer_flush_on_ring, file
> intel_batchbuffer.c:180:
> Failed assertion: (drm_intel_gem_bo_context_exec(batch->bo, ctx, used,
> ring)) == 0
> Last errno: 22, Invalid argument
> Subtest interruptible-snoop: FAIL (0.002s)</span >
That's full-ppgtt fallout: <a href="http://patchwork.freedesktop.org/patch/33361/">http://patchwork.freedesktop.org/patch/33361/</a></pre>
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