From owner-freebsd-current@FreeBSD.ORG Sat Jul 17 19:56:36 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 4A70516A4CE; Sat, 17 Jul 2004 19:56:36 +0000 (GMT) Received: from ylpvm43.prodigy.net (ylpvm43-ext.prodigy.net [207.115.57.74]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0720A43D45; Sat, 17 Jul 2004 19:56:36 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (adsl-67-115-75-142.dsl.lsan03.pacbell.net [67.115.75.142]) i6HJuZj2032219; Sat, 17 Jul 2004 15:56:35 -0400 Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id F131752850; Sat, 17 Jul 2004 12:56:32 -0700 (PDT) Date: Sat, 17 Jul 2004 12:56:32 -0700 From: Kris Kennaway To: Brian Fundakowski Feldman Message-ID: <20040717195632.GA67466@xor.obsecurity.org> References: <20040717103509.N24726@alpha.siliconlandmark.com> <20040717180605.E58695-100000@electra.nolink.net> <20040717181026.GA63963@xor.obsecurity.org> <20040717184240.GT1626@green.homeunix.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="82I3+IH0IqGh5yIs" Content-Disposition: inline In-Reply-To: <20040717184240.GT1626@green.homeunix.org> User-Agent: Mutt/1.4.2.1i cc: "current@freebsd.org" cc: Kris Kennaway Subject: Re: panic: APIC: Previous IPI is stuck 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: Sat, 17 Jul 2004 19:56:36 -0000 --82I3+IH0IqGh5yIs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jul 17, 2004 at 02:42:40PM -0400, Brian Fundakowski Feldman wrote: > On Sat, Jul 17, 2004 at 11:10:26AM -0700, Kris Kennaway wrote: > > On Sat, Jul 17, 2004 at 06:10:45PM +0200, Lars Erik Gullerud wrote: > > > On Sat, 17 Jul 2004, Andre Guibert de Bruet wrote: > > >=20 > > > > pmap_rltacziynftirx(:a 9sfp4u4nc 8f4o,r0 ,56040f0b0f0c0108 > > > > ,a9f44c80,8) at 0x606f31c5 > > > [snip] > > >=20 > > > > I am a little worried by the line that starts with pmap_rltac. It a= ppears > > > > to be the output of two interleaved messages, which I have yet to m= ake > > > > sense of. At this point the machine is deadlocked and nothing short= of a > > > > reset will get it to budge. > > >=20 > > > FYI, the two interleaved lines actually seem to be: > > >=20 > > > rtcintr(a9f44c84,0,64fbfc18,a9f44c80,8) at 0x606f31c5 > > > pmap_lazyfix: spun for 50000000 > > >=20 > > > I seem to remember Kris Kennaway also having a couple of panics where > > > pmap_lazyfix errors got interleaved with the output. > >=20 > > Yeah, I've had to disable SMP because this panic happens too often. >=20 > Does it only happen with a constant $NCPU+ load average? I have never > seen it here. Yeah, it's usually a pretty busy machine. It does a lot of buildworlds, nfs, concurrent www serving and ssh dispatching. Kris --82I3+IH0IqGh5yIs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD4DBQFA+YRwWry0BWjoQKURAklhAJ9W4pm7Z4HIgqswR14RiVT3Bnq5LQCYlVOc rusYYQkCvU8alXXeUCkFHg== =DQwo -----END PGP SIGNATURE----- --82I3+IH0IqGh5yIs--