From owner-freebsd-current Fri Jan 3 1:10:41 2003 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 4917437B401; Fri, 3 Jan 2003 01:10:40 -0800 (PST) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 08E7043E4A; Fri, 3 Jan 2003 01:10:40 -0800 (PST) (envelope-from bright@elvis.mu.org) Received: by elvis.mu.org (Postfix, from userid 1192) id E633EAE255; Fri, 3 Jan 2003 01:10:30 -0800 (PST) Date: Fri, 3 Jan 2003 01:10:30 -0800 From: Alfred Perlstein To: Lars Eggert Cc: Juli Mallett , current@FreeBSD.org Subject: Re: Two LORs. Message-ID: <20030103091030.GA49431@elvis.mu.org> References: <20030102014425.A69153@FreeBSD.org> <3E14D4F5.4010708@isi.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3E14D4F5.4010708@isi.edu> User-Agent: Mutt/1.4i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG There's a post to -smp I made about this today: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=4779+0+current/freebsd-smp It details the problem and some possible solutions. * Lars Eggert [030102 16:10] wrote: > Juli Mallett wrote: > > >The first is new to me (I've lagged behind for a while) and the second is > >something I've reported to Cameron, but continually get, so I thought I'd > >post again. > > > >lock order reversal > > 1st 0xc12c9b18 process lock (process lock) @ > >../../../kern/kern_descrip.c:2099 > > 2nd 0xc12d3d34 filedesc structure (filedesc structure) @ > >../../../kern/kern_descrip.c:2106 > > Same here, with today's -current. Hadn't updated since mid-December, > just noticed it. LOR is reproducible, always happens early during boot: > > SMP: AP CPU #1 Launched! > Mounting root from ufs:/dev/da0s1a > lock order reversal > 1st 0xc65d53f8 process lock (process lock) @ > /usr/src/sys/kern/kern_descrip.c:2099 > 2nd 0xc655fa34 filedesc structure (filedesc structure) @ > /usr/src/sys/kern/kern_descrip.c:2106 > savecore: no dumps found > > > Lars > > -- > Lars Eggert USC Information Sciences Institute -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message