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Date: Wed, 19 Oct 2016 16:36:40 -0700
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Mike Karels <mike@karels.net>, George Neville-Neil <gnn@freebsd.org>
Cc: net@FreeBSD.org
Subject: Re: TCP route caching panic
Message-ID: <20161019233640.GN27748@FreeBSD.org>
References: <20161019212914.GJ27748@FreeBSD.org>
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On Wed, Oct 19, 2016 at 02:29:14PM -0700, Gleb Smirnoff wrote:
T>   Hi!
T> 
T>   I got this panic in a bhyve VM, which was just compiling stuff
T> and had two ssh sessions open. It has static network configuration,
T> one interfaces, one IP address, IPv4 only and it sees only hardware
T> address of the host. So it is minimal possible configuration. It
T> runs with INVARIANTS.

Important note that kernel has FLOWTABLE option. And recently I refined
the original fix of FLOWTABLE+inpcb_route_cache. This might be related,
but I don't see how. The inp code explicitly nulls the ro_lle when
it frees it.

-- 
Totus tuus, Glebius.