From owner-freebsd-current@FreeBSD.ORG Tue Jun 22 21:21:51 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 27F5416A4CE for ; Tue, 22 Jun 2004 21:21:51 +0000 (GMT) Received: from mail2.speakeasy.net (mail2.speakeasy.net [216.254.0.202]) by mx1.FreeBSD.org (Postfix) with ESMTP id 02BCF43D5C for ; Tue, 22 Jun 2004 21:21:49 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 31681 invoked from network); 22 Jun 2004 21:21:47 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 22 Jun 2004 21:21:47 -0000 Received: from 10.50.41.233 (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i5MLLiqQ019791; Tue, 22 Jun 2004 17:21:44 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: freebsd-current@FreeBSD.org Date: Tue, 22 Jun 2004 17:22:44 -0400 User-Agent: KMail/1.6 References: <20040622044142.GA8571@xor.obsecurity.org> <20040622094338.GA12675@xor.obsecurity.org> In-Reply-To: <20040622094338.GA12675@xor.obsecurity.org> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200406221722.44505.jhb@FreeBSD.org> X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx cc: current@FreeBSD.org cc: Kris Kennaway Subject: Re: > panic: APIC: Previous IPI is stupcmka 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: Tue, 22 Jun 2004 21:21:51 -0000 On Tuesday 22 June 2004 05:43 am, Kris Kennaway wrote: > On Mon, Jun 21, 2004 at 09:41:42PM -0700, Kris Kennaway wrote: > > > panic: APIC: Previous IPI is stupcmka > > > u_clpauziydf i=x :0 ;s p > > > cnD efbourg g5e0r0(0"0p0a0n0i > > > ") > > > > I updated this smp machine -current tonight, played with mutex > > profiling a bit, and it died after an hour or so of package building > > load. It hung here. > > This happened again under similar circumstances (running a cvs update > with some network stuff going on). Similar interleaved panic message: > > _anic: APIC: Previous IPI is stpumcakp > nlcapzuyifdi x=: 0s;p u > i Dfeobru g5g0e0r0(0"0p0a0n > c") Seems the two CPUs are deadlocked waiting on each other. The first sent a pmap_lazyfixup IPI to the second but the second has interrupts disabled as it is trying to send an IPI as well. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org