From owner-freebsd-stable@FreeBSD.ORG Fri Mar 13 09:49:59 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BC6B1106564A for ; Fri, 13 Mar 2009 09:49:59 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 9819C8FC22 for ; Fri, 13 Mar 2009 09:49:59 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [65.122.17.41]) by cyrus.watson.org (Postfix) with ESMTPS id 4B04F46B46; Fri, 13 Mar 2009 05:49:59 -0400 (EDT) Date: Fri, 13 Mar 2009 09:49:59 +0000 (GMT) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Nick Withers In-Reply-To: Message-ID: References: <1236920519.1490.30.camel@localhost> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org Subject: Re: NICs locking up, "*tcp_sc_h" X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2009 09:50:00 -0000 On Fri, 13 Mar 2009, Robert Watson wrote: > Sounds like a lock leak -- if you're running INVARIANTS, then "show allocks" ^^^^ should read WITNESS > and "show allchains" would be useful. I've had a report of a TCP lock leak > possibly in tcp_input(), but haven't managed to track it down yet -- this > could well be it as well. Robert N M Watson Computer Laboratory University of Cambridge