From owner-freebsd-current@FreeBSD.ORG Sun Jul 18 19:26:36 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EED8216A4CE for ; Sun, 18 Jul 2004 19:26:36 +0000 (GMT) Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id AB23243D2F for ; Sun, 18 Jul 2004 19:26:36 +0000 (GMT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (localhost [127.0.0.1]) by fledge.watson.org (8.12.11/8.12.11) with ESMTP id i6IJQ8mq037917; Sun, 18 Jul 2004 15:26:08 -0400 (EDT) (envelope-from robert@fledge.watson.org) Received: from localhost (robert@localhost)i6IJQ8iu037914; Sun, 18 Jul 2004 15:26:08 -0400 (EDT) (envelope-from robert@fledge.watson.org) Date: Sun, 18 Jul 2004 15:26:07 -0400 (EDT) From: Robert Watson X-Sender: robert@fledge.watson.org To: Willem Jan Withagen In-Reply-To: <106d01c46cfb$c7d76630$471b3dd4@digiware.nl> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: current@freebsd.org Subject: Re: panic: Duplicate free of item 0xffffff005c4a8600 from zone 0xffffff007fed4780(Mbuf) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Jul 2004 19:26:37 -0000 On Sun, 18 Jul 2004, Willem Jan Withagen wrote: > > Well, the threads involved seem to be the netisr thread and the bge > > interrupt thread, suggesting we have a problem with mbufs being free'd > > despite being handed off into the network stack. Up front, it suggests > > maybe we have an issue with the bge driver freeing or reusing an mbuf > > inappropriately, or perhaps it's at the TCP layer. > > Even more reason to do some (ab)using test with the em0 card??? Yeah, that would be very helpful if you could. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Principal Research Scientist, McAfee Research