From owner-freebsd-smp Mon Mar 3 23:48: 3 2003 Delivered-To: freebsd-smp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 589F137B401 for ; Mon, 3 Mar 2003 23:48:02 -0800 (PST) Received: from obsecurity.dyndns.org (adsl-63-207-60-52.dsl.lsan03.pacbell.net [63.207.60.52]) by mx1.FreeBSD.org (Postfix) with ESMTP id 983CE43FAF for ; Mon, 3 Mar 2003 23:48:01 -0800 (PST) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id 4369066B37; Mon, 3 Mar 2003 23:48:01 -0800 (PST) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id 22B001006; Mon, 3 Mar 2003 23:48:01 -0800 (PST) Date: Mon, 3 Mar 2003 23:48:00 -0800 From: Kris Kennaway To: Khairil Yusof Cc: freebsd-smp@FreeBSD.ORG Subject: Re: Temporary lockups on 5-release Message-ID: <20030304074800.GA89765@rot13.obsecurity.org> References: <1046755156.598.92.camel@daemon.home.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3MwIy2ne0vdjdPXF" Content-Disposition: inline In-Reply-To: <1046755156.598.92.camel@daemon.home.net> User-Agent: Mutt/1.4i Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org --3MwIy2ne0vdjdPXF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 04, 2003 at 01:19:18PM +0800, Khairil Yusof wrote: > Since upgrading to 5.0, I often get temporary lockups. >=20 > Basically the system just hangs for a second or two, almost as if it's > going to freeze and hang, then continues again. >=20 > I'm no expert on SMP, but how can a user like me, help out trace > problems like this? >=20 > Or is this behaviour expected due to SMPng not being complete and a lot > of drivers still using Giant lock? It can be due to Giant contention..was the system under heavy load at the time? Kris --3MwIy2ne0vdjdPXF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+ZFowWry0BWjoQKURAraPAJ0Q2XY8E1uxpLrNgw9XGz+Gmi96sACgoV/y jiKWl5wp6wh1G1QkYeTu2b0= =8F/p -----END PGP SIGNATURE----- --3MwIy2ne0vdjdPXF-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message