From owner-freebsd-current@freebsd.org Wed Feb 17 00:31:10 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9DA12AABB71 for ; Wed, 17 Feb 2016 00:31:10 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 89E6AFE8 for ; Wed, 17 Feb 2016 00:31:10 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: by mailman.ysv.freebsd.org (Postfix) id 872DCAABB70; Wed, 17 Feb 2016 00:31:10 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 86C97AABB6F for ; Wed, 17 Feb 2016 00:31:10 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 788A1FE7; Wed, 17 Feb 2016 00:31:10 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [IPv6:::1]) by freefall.freebsd.org (Postfix) with ESMTP id 71D381898; Wed, 17 Feb 2016 00:31:10 +0000 (UTC) (envelope-from bdrewery@FreeBSD.org) Received: from mail.xzibition.com (localhost [172.31.3.2]) by mail.xzibition.com (Postfix) with ESMTP id 248301BC8F; Wed, 17 Feb 2016 00:31:10 +0000 (UTC) X-Virus-Scanned: amavisd-new at mail.xzibition.com Received: from mail.xzibition.com ([172.31.3.2]) by mail.xzibition.com (mail.xzibition.com [172.31.3.2]) (amavisd-new, port 10026) with LMTP id Q-5JOzhVXn05; Wed, 17 Feb 2016 00:31:07 +0000 (UTC) Subject: Re: Possible race condition noted r295622 -> r295654 DKIM-Filter: OpenDKIM Filter v2.9.2 mail.xzibition.com 208E61BC88 To: David Wolfskill , current@freebsd.org References: <20160216150249.GT1178@albert.catwhisker.org> From: Bryan Drewery Organization: FreeBSD Message-ID: <56C3BF4A.4040104@FreeBSD.org> Date: Tue, 16 Feb 2016 16:31:06 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <20160216150249.GT1178@albert.catwhisker.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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 Feb 2016 00:31:10 -0000 On 2/16/16 7:02 AM, David Wolfskill wrote: > Given some of the reports of problems building head recently, my initial > attempts this morning (upgrading head/amd64) in place from r295622 to > r295654) were "clean" builds. > > My "build machine" reported no trouble (using -j16). > > On my laptop, also using -j16, the process terminated prematurely, with > whines about inability to find libopythagoras. > > In a half-hearted attempt, I then immediately attempted an "unclean" > build ("make -j 16 --DNO_CLEAN buildworld"); unsurprisingly, that > failed. > > On a bit of a whim, I then tried "make -j14 buildworld" -- that > succeeeded. > > I've placed a typescript of all of those efforts in > -- ref "bw.txt" (or > "bw.txt.gz"), in case that's of interest or use. > r295683 should fix it. There are likely more regressions after my recent change. Please CC me on any more you run into. -- Regards, Bryan Drewery