From owner-freebsd-net Sat Oct 26 0:54:39 2002 Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B02C737B401; Sat, 26 Oct 2002 00:54:38 -0700 (PDT) Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11]) by mx1.FreeBSD.org (Postfix) with SMTP id 4143F43E3B; Sat, 26 Oct 2002 00:54:37 -0700 (PDT) (envelope-from dwmalone@maths.tcd.ie) Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP id ; 26 Oct 2002 08:54:36 +0100 (BST) Date: Sat, 26 Oct 2002 08:54:35 +0100 From: David Malone To: Don Bowman Cc: "'freebsd-stable@freebsd.org'" , "'freebsd-net@freebsd.org'" Subject: Re: panic in 4.7 in close / sbdrop Message-ID: <20021026075435.GA47984@walton.maths.tcd.ie> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.25i Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Fri, Oct 25, 2002 at 06:25:44PM -0400, Don Bowman wrote: > I have a machine running 4.7. I can panic it by sending a reasonably > high load of tcp open/close from/to it. The trace below is from > a socket from localhost to localhost (sendmail). The max number > of open file descriptors I would have had would be ~4500. > The rx buffer says it has 43008 bytes, but there are no mbufs > chained. The system was not out of mbufs or clusters. > > Suggestions on what I might look @? I made a change in this area which doesn't show up in the call path, but might possibly be related. Can you edit /usr/src/sys/kern/uipc_socket2.c and comment out the call to sbdrop in soisdisconnected and see if it makes a difference? David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message