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<body><span class="vcard"><a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> <span class="fn">Eero Tamminen</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] (recoverable) GPU hangs in benchmarks using compute shaders with drm-tip v4.20-rc kernels"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108820">bug 108820</a>
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<td style="text-align:right;">Blocks</td>
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<td>109535
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] (recoverable) GPU hangs in benchmarks using compute shaders with drm-tip v4.20-rc kernels"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108820#c33">Comment # 33</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] (recoverable) GPU hangs in benchmarks using compute shaders with drm-tip v4.20-rc kernels"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108820">bug 108820</a>
from <span class="vcard"><a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> <span class="fn">Eero Tamminen</span></a>
</span></b>
<pre>(In reply to Jakub Okoński from <a href="show_bug.cgi?id=108820#c25">comment #25</a>)
<span class="quote">> I spoke a bit too soon. For this minimal shader, the local_size_x seems
> irrelevant and decreasing it doesn't prevent the hang. I wonder if this is
> the same issue or if I uncovered some other issue by reducing the test case.</span >
(In reply to Jakub Okoński from <a href="show_bug.cgi?id=108820#c32">comment #32</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=143305" name="attach_143305" title="/sys/class/drm/card0/error Jakub">attachment 143305</a> <a href="attachment.cgi?id=143305&action=edit" title="/sys/class/drm/card0/error Jakub">[details]</a></span>
> /sys/class/drm/card0/error Jakub
>
> Here you go.</span >
If there are still two different ways of reliably triggering the hang, could
you attach error output also for the other and name them so that they can be
differentiated?
(E.g. "minimal conditional return + barrier case hang" and "large /
local_size_x case hang".)</pre>
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<b>Referenced Bugs:</b>
<ul>
<li>
[<a class="bz_bug_link
bz_status_NEW "
title="NEW - [Tracker] Mesa 19.0 release tracker"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109535">Bug 109535</a>] [Tracker] Mesa 19.0 release tracker
</li>
</ul>
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