From owner-freebsd-current@FreeBSD.ORG Thu Jan 8 14:06:25 2015 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 5BC6D3F4; Thu, 8 Jan 2015 14:06:25 +0000 (UTC) Received: from mx1.sbone.de (mx1.sbone.de [IPv6:2a01:4f8:130:3ffc::401:25]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "mx1.sbone.de", Issuer "SBone.DE" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id DC6263C6; Thu, 8 Jan 2015 14:06:24 +0000 (UTC) Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:31::2013:587]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 7EF4025D3815; Thu, 8 Jan 2015 14:06:21 +0000 (UTC) Received: from content-filter.sbone.de (content-filter.sbone.de [IPv6:fde9:577b:c1a9:31::2013:2742]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id A57E1C76FD9; Thu, 8 Jan 2015 14:06:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:31::2013:587]) by content-filter.sbone.de (content-filter.sbone.de [fde9:577b:c1a9:31::2013:2742]) (amavisd-new, port 10024) with ESMTP id MdzFZFoUinKP; Thu, 8 Jan 2015 14:06:18 +0000 (UTC) Received: from [IPv6:fde9:577b:c1a9:4420:cabc:c8ff:fe8b:4fe6] (orange-tun0-ula.sbone.de [IPv6:fde9:577b:c1a9:4420:cabc:c8ff:fe8b:4fe6]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id DDDA6C76FD6; Thu, 8 Jan 2015 14:06:17 +0000 (UTC) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 8.1 \(1993\)) Subject: Re: "*** [kernel.debug] Error code 139"? From: "Bjoern A. Zeeb" In-Reply-To: <20150108133756.GA32884@raichu> Date: Thu, 8 Jan 2015 14:06:16 +0000 Content-Transfer-Encoding: quoted-printable Message-Id: References: <20150107135756.GC14822@albert.catwhisker.org> <3C59182B-D747-4F33-9AED-6DED638596E7@lists.zabbadoz.net> <20150108133756.GA32884@raichu> To: markj@FreeBSD.org X-Mailer: Apple Mail (2.1993) Cc: Ed Maste , Dimitry Andric , "current@freebsd.org" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 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: Thu, 08 Jan 2015 14:06:25 -0000 > On 08 Jan 2015, at 13:37 , markj@FreeBSD.org wrote: >=20 > On Thu, Jan 08, 2015 at 01:40:11PM +0100, Dimitry Andric wrote: >> On 08 Jan 2015, at 13:09, Bjoern A. Zeeb = wrote: >>>=20 >>>> On 07 Jan 2015, at 15:02 , Bjoern A. Zeeb = wrote: >>>>> On 07 Jan 2015, at 14:13 , Ed Maste wrote: >>>>> On 7 January 2015 at 08:57, David Wolfskill = wrote: >>>>>> --- kernel.debug --- >>>>>> linking kernel.debug >>>>>> ctfmerge -L VERSION -g -o kernel.debug ... >>>>>> Segmentation fault (core dumped) >>>>>> *** [kernel.debug] Error code 139 >>>>> ... >>>>>> I'm mostly wondering what "Error code 139" is intended to = mean.... :-} >>>>>=20 >>>>> It's the way termination due to a signal is reported. The exit = status >>>>> is 128 + the signal number and SIGSEGV =3D 11. >>>>=20 >>>> I did see it twice last night while doing HEAD builds, and = i386.GENERIC only. For later builds it was just gone again. Not sure = if anyone wants to figure out what was special about the two SVN = revisions. For me it was a cross-build from amd64 as part of make = universe. >>>=20 >>> Ok, this continues; I have since seen it four more times. Still = i386.GENERIC only; none of the LINT kernels or other architectures. >>>=20 >>> Can someone please investigate what triggers this? >>=20 >> Looks like a stack overflow, cause unknown as of yet: >=20 > I'll try to reproduce this, but perhaps try reverting r274569? r274565 > and r274564 could also potentially be the cause of this, but r274569 > would be my first guess. It only started 2 nights ago and we are both doing daily builds. = Unlikely that stuff from November would do it oh so suddenly. It=E2=80=99s hard to exactly narrow it down as there was a lot of other = breakage in the tree but I know that r276729 finished a full universe = and I hadn=E2=80=99t noticed the problem before. So I would almost = assume it was something after that (but obviously it could be a = combination of things). /bz =E2=80=94=20 Bjoern A. Zeeb Charles Haddon Spurgeon: "Friendship is one of the sweetest joys of life. Many might have failed beneath the bitterness of their trial had they not found a friend."