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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BDW userptr] Rendercheck dcoords causes X crash"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79053#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BDW userptr] Rendercheck dcoords causes X crash"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79053">bug 79053</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>Also note that a bisect result that points to the enabling of a feature is not
exhaustative. If you compile the ddx with --enable-userptr you can regression
check the ddx over the last couple of years. If you reorder the kernel commits,
you can regression check the kernel over the introduction of bdw support.
Without taking those steps, it is misleading to point to the feature commit as
the *root cause* of the regression.</pre>
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