Date: Thu, 2 Mar 2017 07:19:59 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Mateusz Guzik <mjguzik@gmail.com>, Mark Millard <markmi@dsl-only.net>, svn-src-head@freebsd.org, FreeBSD Current <freebsd-current@freebsd.org>, Justin Hibbits <chmeeedalf@gmail.com>, mjg@freebsd.org, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> 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> In-Reply-To: <20170302121021.GA32682@dft-labs.eu> References: <20170225002300.GC19697@dft-labs.eu> <12339EDD-5663-40E0-8553-821EF9B6CDEB@dsl-only.net> <EB9DBDFA-BAE9-4BFF-8E8B-BF7698362A11@dsl-only.net> <477BA631-AB85-4E77-8BA3-CD2AFAD5E405@dsl-only.net> <B38C6E4C-DC41-44A6-A99B-CD6FA5CB105C@dsl-only.net> <9A63B36E-5F81-4ECD-A2A2-AB442AAC26A6@dsl-only.net> <20170225193103.GA4379@dft-labs.eu> <20170301061350.GA22378@dft-labs.eu> <A949940F-DA18-4179-8C4F-956BE895E0EA@dsl-only.net> <20170302121021.GA32682@dft-labs.eu>
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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
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