From owner-freebsd-stable@FreeBSD.ORG Mon Apr 4 21:48:35 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5C74216A4CE for ; Mon, 4 Apr 2005 21:48:35 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.111]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1895B43D41 for ; Mon, 4 Apr 2005 21:48:35 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 46E20513DA; Mon, 4 Apr 2005 14:48:34 -0700 (PDT) Date: Mon, 4 Apr 2005 14:48:34 -0700 From: Kris Kennaway To: Oleg Tarasov Message-ID: <20050404214834.GA61661@xor.obsecurity.org> References: <15810317675.20050324122809@osk.com.ua> <20050329225834.GA20557@xor.obsecurity.org> <1887307017.20050404103511@osk.com.ua> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="bg08WKrSYDhXBjb5" Content-Disposition: inline In-Reply-To: <1887307017.20050404103511@osk.com.ua> User-Agent: Mutt/1.4.2.1i cc: freebsd-stable@FreeBSD.org cc: Kris Kennaway Subject: Re: kernel panics on sio interrupt-level overflows X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Apr 2005 21:48:35 -0000 --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 04, 2005 at 10:35:11AM +0200, Oleg Tarasov wrote: > Hello, >=20 > Kris Kennaway wrote: >=20 >=20 > > Does enabling WITNESS support (and possibly excluding > > WITNESS_SKIPSPIN) produce any diagnostics? >=20 > > Kris > =20 > I can enable WITNESS, but I don't know where to find that useful > information I can provide. Turn on mpsafenet again, and with WITNESS also enabled you may get diagnostics on the system console about lock order reversals or other SMP programming errors that could be the cause of your panics. Kris --bg08WKrSYDhXBjb5 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCUbYxWry0BWjoQKURAoCCAKDwTc+tdDqHDeyr87ELJ4+f8WfIOgCePLOf QUdHbBRfiTQCJygmOTkoF4E= =ZxW0 -----END PGP SIGNATURE----- --bg08WKrSYDhXBjb5--