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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - i[CI][SHARDS] igt@gem_mmap_gtt@forked-* - timeout - extremely slow on ICL"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110882#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - i[CI][SHARDS] igt@gem_mmap_gtt@forked-* - timeout - extremely slow on ICL"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110882">bug 110882</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=110882#c5">comment #5</a>)
<span class="quote">> Temporary band-aid:
>
> commit 6cb3d4a9457cdfb993ebb2a086a4844b85c49ee2 (upstream/master,
> origin/master, origin/HEAD)
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Mon Jun 10 13:52:02 2019 +0100
>
> i915/gem_mmap_gtt: Disregard forked subtests on ICL for reasons
>
> Nothing to see here, please move along.
>
> The short story seems to be that a BIOS update made concurrent GTT
> access a few orders of magnitude slower, severely hampering CI. Where
> the fault actually lies is unknown, and how to circumvent it, unknown.
>
> References: <a class="bz_bug_link
bz_status_NEW "
title="NEW - i[CI][SHARDS] igt@gem_mmap_gtt@forked-* - timeout - extremely slow on ICL"
href="show_bug.cgi?id=110882">https://bugs.freedesktop.org/show_bug.cgi?id=110882</a>
> Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Cc: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
> Cc: Martin Peres <<a href="mailto:martin.peres@linux.intel.com">martin.peres@linux.intel.com</a>>
> Acked-by: Daniel Vetter <<a href="mailto:daniel@ffwll.ch">daniel@ffwll.ch</a>></span >
Thanks, it got rid of most of the issues. We still have the following tests
being executed though:
Test Machine Min (s) Avg (s) Max (s)
igt@gem_mmap_gtt@forked-big-copy shard-iclb 803.781 937.90 1063.49
igt@gem_mmap_gtt@forked-big-copy-odd shard-iclb 974.263 1002.33 1044.71</pre>
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