From owner-freebsd-current@FreeBSD.ORG Wed Aug 17 07:31:59 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 32A911065673; Wed, 17 Aug 2011 07:31:59 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from dirj.bris.ac.uk (dirj.bris.ac.uk [137.222.10.78]) by mx1.freebsd.org (Postfix) with ESMTP id DD7618FC17; Wed, 17 Aug 2011 07:31:58 +0000 (UTC) Received: from ncsc.bris.ac.uk ([137.222.10.41]) by dirj.bris.ac.uk with esmtp (Exim 4.72) (envelope-from ) id 1QtabV-0002CI-7p; Wed, 17 Aug 2011 08:31:57 +0100 Received: from mech-cluster241.men.bris.ac.uk ([137.222.187.241]) by ncsc.bris.ac.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1QtabV-00062V-0u; Wed, 17 Aug 2011 08:31:57 +0100 Received: from mech-cluster241.men.bris.ac.uk (localhost [127.0.0.1]) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4) with ESMTP id p7H7VuXl027376; Wed, 17 Aug 2011 08:31:56 +0100 (BST) (envelope-from mexas@bristol.ac.uk) Received: (from mexas@localhost) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4/Submit) id p7H7Vuvx027375; Wed, 17 Aug 2011 08:31:56 +0100 (BST) (envelope-from mexas@bristol.ac.uk) X-Authentication-Warning: mech-cluster241.men.bris.ac.uk: mexas set sender to mexas@bristol.ac.uk using -f Date: Wed, 17 Aug 2011 08:31:56 +0100 From: Anton Shterenlikht To: Marcel Moolenaar Message-ID: <20110817073156.GB27340@mech-cluster241.men.bris.ac.uk> Mail-Followup-To: Marcel Moolenaar , Anton Shterenlikht , freebsd-current@freebsd.org, freebsd-ia64@freebsd.org References: <20110812141904.GA1683@mech-cluster241.men.bris.ac.uk> <20110815173451.GA29502@mech-cluster241.men.bris.ac.uk> <20110816081248.GB37207@mech-cluster241.men.bris.ac.uk> <3CB781B2-7064-4832-A652-82DC0CB7D077@xcllnt.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3CB781B2-7064-4832-A652-82DC0CB7D077@xcllnt.net> User-Agent: Mutt/1.4.2.3i Cc: freebsd-current@freebsd.org, Anton Shterenlikht , freebsd-ia64@freebsd.org Subject: Re: make test under lang/perl5.14 causes panic: blockable sleep lock (sleep mutex) process lock @ /usr/src/sys/ia64/ia64/trap.c:562 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Wed, 17 Aug 2011 07:31:59 -0000 On Tue, Aug 16, 2011 at 04:49:44PM -0700, Marcel Moolenaar wrote: > > On Aug 16, 2011, at 1:12 AM, Anton Shterenlikht wrote: > > > On Mon, Aug 15, 2011 at 06:34:51PM +0100, Anton Shterenlikht wrote: > >> On Fri, Aug 12, 2011 at 05:45:55PM -0700, Marcel Moolenaar wrote: > >>> > >>> On Aug 12, 2011, at 7:19 AM, Anton Shterenlikht wrote: > >>> > >>>> On ia64 r221488 > >>> > >>> Please update to at least r223700, as that was a major stability fix. > >> > >> UZI> uname -a > >> FreeBSD mech-as221.men.bris.ac.uk 9.0-BETA1 FreeBSD 9.0-BETA1 #5 r224876: Mon Aug 15 12:06:05 BST 2011 root@mech-as221.men.bris.ac.uk:/usr/obj/usr/src/sys/UZI ia64 > >> UZI> > >> > >> make test run with no panic once (though lots of errors, > >> I should probably let the perl team know), and > >> panicked on the second run: > > Anton, > > Do you have "options PREEMPTON" in your kernel configuration by any > chance? > > The panics you report are the ones I typically get when I enable > PREEMPTION. I haven't found the root cause for this yet. There's > alsp a PR to track this particular issue. Yes, I'm aware of this. This has been the case for over a year. No, I haven't got PREEMPTION on any of my ia64 nodes, e.g.: UZI> grep PREE /root/kernels/UZI #options IPI_PREEMPTION #options PREEMPTION UZI> -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423