Date: Sat, 23 Jul 2011 23:51:10 -0400 From: Ryan Stone <rysto32@gmail.com> To: Gleb Smirnoff <glebius@freebsd.org> Cc: gnn@freebsd.org, bz@freebsd.org, rwatson@freebsd.org, net@freebsd.org Subject: Re: m_pkthdr.rcvif dangling pointer problem Message-ID: <CAFMmRNwBbxR-F7PjkwF8E4GjwFQy_0USKW-3u-ZRNxPMJSOQcA@mail.gmail.com> In-Reply-To: <20110714154457.GI70776@FreeBSD.org> References: <20110714154457.GI70776@FreeBSD.org>
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I ran headlong into this issue today when trying to test some network stack changes. It's depressingly easy to crash HEAD by periodically destroying vlan interfaces while you are sending traffic over those interfaces -- I get a panic within minutes. > http://people.freebsd.org/~glebius/patches/ifnet.no_free This patch makes my test system survive longer but does not resolve the issue.
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