From owner-freebsd-current@freebsd.org Sat Jun 25 11:35:51 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 00689B803D1 for ; Sat, 25 Jun 2016 11:35:51 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 72CA42738; Sat, 25 Jun 2016 11:35:50 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u5PBZigW029216 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Sat, 25 Jun 2016 14:35:45 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u5PBZigW029216 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id u5PBZiJn029214; Sat, 25 Jun 2016 14:35:44 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sat, 25 Jun 2016 14:35:44 +0300 From: Konstantin Belousov To: "O. Hartmann" Cc: Brooks Davis , freebsd-current@freebsd.org Subject: Re: HEADS UP: caution required with updates using custom kernels Message-ID: <20160625113544.GS38613@kib.kiev.ua> References: <20160623210751.GB7860@spindle.one-eyed-alien.net> <20160624060019.5e650ad9.ohartman@zedat.fu-berlin.de> <20160624155111.GB20770@spindle.one-eyed-alien.net> <330789230754140e38fb527973e23405@ultimatedns.net> <20160624225034.GC20770@spindle.one-eyed-alien.net> <20160625070238.GG38613@kib.kiev.ua> <20160625131806.14fa4799.ohartman@zedat.fu-berlin.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160625131806.14fa4799.ohartman@zedat.fu-berlin.de> User-Agent: Mutt/1.6.1 (2016-04-27) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 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: Sat, 25 Jun 2016 11:35:51 -0000 On Sat, Jun 25, 2016 at 01:18:06PM +0200, O. Hartmann wrote: > Am Sat, 25 Jun 2016 10:02:38 +0300 > Konstantin Belousov schrieb: > > > On Fri, Jun 24, 2016 at 10:50:34PM +0000, Brooks Davis wrote: > > > pipe(2) had an unnecessarily odd calling convention (ignoring the > > > argument the user thought they were passing and returning the two file > > > descriptors via the two return registers). This required machine > > > dependent assembly for every target and special handling in tracing > > > tools (ktrace, dtrace, etc). On 64-bit platforms, pipe(2)'s > > > implementation is the only reason the two-register return model needs to > > > exist at all (on 32-bit platforms it allows off_t to be returned from > > > lseek). > > getpid() is another instance. > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > That all is a nice explanation, but how to recover from a broken system, on which the > order of installation wasn't performed the right way? Copy the libc.so.7 binary from the build area to /lib manually, e.g. using rescue shell.