From owner-freebsd-stable@FreeBSD.ORG Tue Sep 1 16:01:05 2009 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F27F6106568F for ; Tue, 1 Sep 2009 16:01:04 +0000 (UTC) (envelope-from mahlerrd@yahoo.com) Received: from web51011.mail.re2.yahoo.com (web51011.mail.re2.yahoo.com [206.190.39.154]) by mx1.freebsd.org (Postfix) with SMTP id AC1FE8FC14 for ; Tue, 1 Sep 2009 16:01:04 +0000 (UTC) Received: (qmail 51325 invoked by uid 60001); 1 Sep 2009 16:01:04 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1251820864; bh=pRtEajZVP7caE1In7qljhLCcpA5XNWHcU6eJqTWG7hg=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=Ur5Y4C53qy8CIyRUH7lrOJTesae/ai3UX81wGToqlSpZZZfOUwhDdczoUh8JbvdGe7FrbGMcb3PAkz8bHj3jp7SgznGosAcieO3QAYzzR6C3cHDRllVSp1uP6vrjoAqc3iTncyH/sguOiucDDStbmhecvFu5YUJGfyEiPlp31sQ= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=g+J7tsldXDCGGZxuu0GfidTy6KkfrJoqorvru2Pz082GvsuCpKhxXLuY9Tap9kLACrt/nTImRSrjgYJceqMM4GF12U4/cFMy5A8NsKuGKsQX5YLhee6Y9HQIWg1ATg/PF9ZVN4SNM+tC26CN0HHd9mAyrJF52hyDZ3NkMRfS5F8=; Message-ID: <165377.50875.qm@web51011.mail.re2.yahoo.com> X-YMail-OSG: PLUXkOoVM1lRySb6B8Sx9ExLevjBSpdqt_XxFjGrEe.e.RRGdSJB.eX9LGdX9Y5x_0NREo3s5Oyzm4iVZhnyBr9iqyXZP8GyDd8LCYSOladLwNgM.Wayc2105ZcjdEMBjEttj..essKR2IhCn3n0z8MaWsR24ezzKCl.sa4IGRdNV_jRxpA5FI97_WoCogvdmk.4lwrLQrpmaz322fcklRkata5Q7CwCipFlsLsruVaQrWasl2sN9y7XrPcACiFLubnaJSo0l5gzHVMHrRM38o8pCi4WXYmpuasz1sadB8fPLVCqAUHH73LIxsm20p1RCtSG.rIEo0QzY1kgcBhndjSzfV6picbXwt.pzT1R1RlvZqMMFF2m7x_dvdm.y2TX1DE- Received: from [71.117.53.27] by web51011.mail.re2.yahoo.com via HTTP; Tue, 01 Sep 2009 09:01:04 PDT X-Mailer: YahooMailClassic/6.1.2 YahooMailWebService/0.7.338.2 Date: Tue, 1 Sep 2009 09:01:04 -0700 (PDT) From: Richard Mahlerwein To: Gavin Atkinson In-Reply-To: <20090830203732.L24691@ury.york.ac.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Cc: FreeBSD-Stable Subject: Re: Fatal Trap 12 in various processes always at address 0x3030313a X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: mahlerrd@yahoo.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Sep 2009 16:01:05 -0000 --- On Sun, 8/30/09, Gavin Atkinson wrote:=0A=0A> From:= Gavin Atkinson =0A> Subject: Re: Fatal Trap 12 in vario= us processes always at address 0x3030313a=0A> To: "Richard Mahlerwein" =0A> Cc: "FreeBSD-Stable" =0A> = Date: Sunday, August 30, 2009, 3:47 PM=0A> On Sat, 29 Aug 2009, Richard=0A>= Mahlerwein wrote:=0A> =0A> > (Sorry, update to subject to be )= =0A> > =0A> > 3 weeks ago:=0A> > I upgraded from 7.1-PRELEASE to -stable an= d all seemed=0A> fine=0A> > until I rebooted out of single user mode after = doing=0A> make=0A> > installworld and mergemaster.=A0 At that point, near= =0A> the=0A> > end of the boot sequence I got a core dump,=0A> apparently= =0A> > triggered by devd.=0A> > =0A> > ****=0A> > Fatal trap 12: page fault= while in kernel mode.=0A> > cpu id =3D 0; apic id =3D 00=0A> > fault virtu= al address =3D 0x3030313a=0A> > fault code =3D supervisor write, page not p= resent=0A> > [snip]=0A> > current process =3D 355 (devd)=0A> > ****=0A> > = =0A> > [snip]=0A> > Does anyone have a further recommendation on what to=0A= > do,=0A> > try, test or change?=0A> =0A> Firstly, please set up a dump par= tition by adding=0A> 'dumpdev=3D"AUTO"' to your rc.conf.=0A> =0A> Then, can= you compile in the kernel debugger (options KGB /=0A> options DDB) and whe= n this happens again, please obtain a=0A> backtrace from the debugger with = the "bt" command.=A0=0A> Then, give the "show registers" command so that we= can=0A> establish which register is pointing to the odd address.=0A> Final= ly, issue the "call doadump()" command to hopefully=0A> save a copy of the = kernel dump for later analysis.=0A> =0A> Thanks,=0A> =0A> Gavin=0A=0ANo pro= blem, but for future reference by others reading this thread, the handbook = says KGB should be KDB, which is what I'm enabling in the kernel config. D= DB is fine.=0A=0Ahttp://www.freebsd.org/doc/en/books/developers-handbook/ke= rneldebug-online-ddb.html=0A=0A=0A=0A