From owner-freebsd-arch@freebsd.org Sat May 4 21:10:36 2019 Return-Path: Delivered-To: freebsd-arch@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 433B71598E8F for ; Sat, 4 May 2019 21:10:36 +0000 (UTC) (envelope-from brde@optusnet.com.au) Received: from mail106.syd.optusnet.com.au (mail106.syd.optusnet.com.au [211.29.132.42]) by mx1.freebsd.org (Postfix) with ESMTP id 5B8D8716F7; Sat, 4 May 2019 21:10:28 +0000 (UTC) (envelope-from brde@optusnet.com.au) Received: from [192.168.0.102] (c110-21-101-228.carlnfd1.nsw.optusnet.com.au [110.21.101.228]) by mail106.syd.optusnet.com.au (Postfix) with ESMTPS id 57A8A3D9245; Sun, 5 May 2019 07:10:16 +1000 (AEST) Date: Sun, 5 May 2019 07:10:15 +1000 (EST) From: Bruce Evans X-X-Sender: bde@besplex.bde.org To: Yoshihiro Ota cc: freebsd-arch@freebsd.org, sobomax@freebsd.org, markj@freebsd.org, kib@freebsd.org, jmg@freebsd.org, delphij@freebsd.org, imp@freebsd.org Subject: Re: Zlib Upgrade in kernel In-Reply-To: <20190504165259.68a44a451dbf0072814d923d@j.email.ne.jp> Message-ID: <20190505070145.Y11459@besplex.bde.org> References: <20190326000956.83bd72411661511656ea1b5d@j.email.ne.jp> <20190504165259.68a44a451dbf0072814d923d@j.email.ne.jp> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.2 cv=FNpr/6gs c=1 sm=1 tr=0 cx=a_idp_d a=PalzARQSbocsUSjMRkwAPg==:117 a=PalzARQSbocsUSjMRkwAPg==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=kj9zAlcOel0A:10 a=6I5d2MoRAAAA:8 a=_evYC6HVPZ0pAdLb7W0A:9 a=CjuIK1q_8ugA:10 a=IjZwj45LgO3ly-622nXo:22 X-Rspamd-Queue-Id: 5B8D8716F7 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of brde@optusnet.com.au designates 211.29.132.42 as permitted sender) smtp.mailfrom=brde@optusnet.com.au X-Spamd-Result: default: False [-5.83 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; RCVD_COUNT_TWO(0.00)[2]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:211.29.132.0/23]; FREEMAIL_FROM(0.00)[optusnet.com.au]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[optusnet.com.au]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[extmail.optusnet.com.au]; NEURAL_HAM_SHORT(-0.74)[-0.738,0]; RCPT_COUNT_SEVEN(0.00)[8]; IP_SCORE(-2.78)[ip: (-7.83), ipnet: 211.28.0.0/14(-3.37), asn: 4804(-2.69), country: AU(-0.01)]; RCVD_NO_TLS_LAST(0.10)[]; RCVD_IN_DNSWL_LOW(-0.10)[42.132.29.211.list.dnswl.org : 127.0.5.1]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[optusnet.com.au]; ASN(0.00)[asn:4804, ipnet:211.28.0.0/14, country:AU]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[] X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 May 2019 21:10:36 -0000 On Sat, 4 May 2019, Yoshihiro Ota wrote: > After I posted zlib upgrade effort about a month ago, I got feedbacks and went through iterations of changes. > https://reviews.freebsd.org/D19706 is ready for another review. > > I have few unfamilar peices. If anyone can comment, that will be great. > > ... > Q.2 Does anyone run gzipped a.out format on the latest systems? > I was able to run a.out and gzipped a.out on FreeBSD 2.2.9. > I ran a.out grabbed fron 2.2.9 on 12-STABLE and 13-CURRENT but gzipped a.out didn't start. Seems unlikely. imgact_gzip only ever worked for aout, and has been broken for that for many years. Last time I looked (in 2017), the first failure in imgact_gzip.c was in vm_mmap(exec_map, ...) last changed in r231885 in 2012. This failed with error 11 (EDEADLK). I use old aout utilities often, but don't want gzip (or zlib) in the kernel for aout (or anything). Bruce