From owner-svn-src-head@freebsd.org Thu Mar 2 15:20:06 2017 Return-Path: Delivered-To: svn-src-head@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 27E35CF4056; Thu, 2 Mar 2017 15:20:06 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 08EA66A0; Thu, 2 Mar 2017 15:20:06 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.15.2/8.15.2) with ESMTPS id v22FJx8e058672 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 2 Mar 2017 07:19:59 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.15.2/8.15.2/Submit) id v22FJxW3058671; Thu, 2 Mar 2017 07:19:59 -0800 (PST) (envelope-from sgk) Date: Thu, 2 Mar 2017 07:19:59 -0800 From: Steve Kargl To: Mateusz Guzik , Mark Millard , svn-src-head@freebsd.org, FreeBSD Current , Justin Hibbits , mjg@freebsd.org, FreeBSD PowerPC ML Subject: Re: svn commit: r313268 - head/sys/kern [through -r313271 for atomic_fcmpset use and later: fails on PowerMac G5 "Quad Core"; -r313266 works] Message-ID: <20170302151959.GA58624@troutmask.apl.washington.edu> Reply-To: sgk@troutmask.apl.washington.edu References: <20170225002300.GC19697@dft-labs.eu> <12339EDD-5663-40E0-8553-821EF9B6CDEB@dsl-only.net> <477BA631-AB85-4E77-8BA3-CD2AFAD5E405@dsl-only.net> <9A63B36E-5F81-4ECD-A2A2-AB442AAC26A6@dsl-only.net> <20170225193103.GA4379@dft-labs.eu> <20170301061350.GA22378@dft-labs.eu> <20170302121021.GA32682@dft-labs.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170302121021.GA32682@dft-labs.eu> User-Agent: Mutt/1.7.2 (2016-11-26) X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Mar 2017 15:20:06 -0000 On Thu, Mar 02, 2017 at 01:10:21PM +0100, Mateusz Guzik wrote: > On Wed, Mar 01, 2017 at 09:45:07AM -0800, Mark Millard wrote: > > > > Summary of the transition interval: > > > > So for powerpc64 (and powerpc?) It is a good > > idea to avoid anything that is after -r313254 > > and before -r314474 in head. (Would this be > > appropriate for a UPDATING notice given its > > span?) > > > > There may be other architectures that might have > > a similar status(?): the last fixes involved were > > not in Machine Dependent code. (Some architectures > > are apparently insensitive to the errors, such as > > amd64). > > > > When following current you are expected to be on the newest revision, > so I don't think mentioning interim broken releases makes much sense. > Documenting the range may aid those bisecting src/ to find a bug. How is one to know that anything in the range that Mark points out should be skipped on powerpc64? -- Steve