<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IGT] gem_userptr_blits@mlocked-* fail or process killed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95427#c32">Comment # 32</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [IGT] gem_userptr_blits@mlocked-* fail or process killed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95427">bug 95427</a>
from <span class="vcard"><a class="email" href="mailto:abdiel.janulgue@linux.intel.com" title="Abdiel Janulgue <abdiel.janulgue@linux.intel.com>"> <span class="fn">Abdiel Janulgue</span></a>
</span></b>
<pre>Had a stab at this problem. Crashes actually doesn't come from the i915 driver
but rather core-mm triggering oom killer when the IGT process mlocks the whole
available system memory.
In other words the kernel killed it for mlocking too much memory causing the
test failure.
Now I understand that the purpose of test is to test i915's eviction mechanism.
by forcing the creation BOs through a narrow memory window. I tried various
memory locking size combos and it looks like we are still able to activate the
eviction mechanism if we mlock the free system memory subtracted by 128MB.
Any thoughts Chris?</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>