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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CNL] System hang: GEM_BUG_ON(buf[2 * head + 1] != port->context_id) during piglit/gem_ctx_switch, masked by tracing enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105888#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CNL] System hang: GEM_BUG_ON(buf[2 * head + 1] != port->context_id) during piglit/gem_ctx_switch, masked by tracing enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105888">bug 105888</a>
from <span class="vcard"><a class="email" href="mailto:rafael.antognolli@intel.com" title="Rafael Antognolli <rafael.antognolli@intel.com>"> <span class="fn">Rafael Antognolli</span></a>
</span></b>
<pre>So, trimming the MMIO reads doesn't help, I still cannot reproduce the issue.
In fact, even removing those lines that I mentioned would make it reproducible
do not really make it happen. I believe I may had a false positive, given how
hard it was to reproduce it with piglit :-/</pre>
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