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Date: Wed, 22 Jun 2016 23:03:45 -0700 (PDT)
From: Don Lewis <truckman@FreeBSD.org>
Subject: patch for potential race-condition triggered panic in dummynet PIE AQM
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There is a race in the PIE AQM code that can cause a panic.  A patch is
up for review here: <https://reviews.freebsd.org/D6928>.  I'd appreciate
it if some callout gurus could take a look.