From owner-freebsd-questions@FreeBSD.ORG Tue Nov 27 22:36:00 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 83CDF16A469 for ; Tue, 27 Nov 2007 22:36:00 +0000 (UTC) (envelope-from frank@esperance-linux.co.uk) Received: from mailout.zetnet.co.uk (mailout.zetnet.co.uk [194.247.47.231]) by mx1.freebsd.org (Postfix) with ESMTP id 4511A13C448 for ; Tue, 27 Nov 2007 22:36:00 +0000 (UTC) (envelope-from frank@esperance-linux.co.uk) Received: from irwell.zetnet.co.uk ([194.247.47.48] helo=zetnet.co.uk) by mailout.zetnet.co.uk with esmtp (Exim 4.50) id 1Ix924-00055I-2F for freebsd-questions@freebsd.org; Tue, 27 Nov 2007 22:35:56 +0000 Received: from esperance.zetnet.co.uk (54-144.adsl.zetnet.co.uk [194.247.54.144]) by zetnet.co.uk (8.14.1/8.14.1/Debian-9) with SMTP id lARMZt1a008417 for ; Tue, 27 Nov 2007 22:35:55 GMT Received: (qmail 54241 invoked by uid 1001); 27 Nov 2007 22:35:50 -0000 From: "Frank Shute" Date: Tue, 27 Nov 2007 22:35:50 +0000 To: Kris Kennaway Message-ID: <20071127223550.GA54215@melon.esperance-linux.co.uk> References: <474C3A12.9040107@gmail.com> <474C69D4.5050804@FreeBSD.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <474C69D4.5050804@FreeBSD.org> User-Agent: Mutt/1.4.2.3i X-Operating-System: FreeBSD 6.3-PRERELEASE i386 X-Organisation: 'Esperance Linux' X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (zetnet.co.uk [194.247.46.1]); Tue, 27 Nov 2007 22:35:56 +0000 (GMT) Cc: Andy Greenwood , Aryeh Friedman , freebsd-questions@freebsd.org Subject: Re: Upper limit on make -j ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Frank Shute List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2007 22:36:00 -0000 On Tue, Nov 27, 2007 at 08:02:44PM +0100, Kris Kennaway wrote: > > Andy Greenwood wrote: > >Aryeh Friedman wrote: > >>Before I file a PR I just want to know if it is worth it to file a PR > >>for: > >> > >>make -j1000 buildworld buildkernel installkernel > >>seg faulting > >> > > > >I thought that the kernel builds couldn't be built using parallel jobs, > >that it might break something. Is that not true? > > Not true for many years. > >From /usr/src/UPDATING: "Avoid using make -j when upgrading. From time to time in the past there have been problems using -j with buildworld and/or installworld. This is especially true when upgrading between "distant" versions (eg one that cross a major release boundary or several minor releases, or when several months have passed on the -current branch)" Should this be changed then? -- Frank Contact info: http://www.esperance-linux.co.uk/misc/contact.html