From owner-freebsd-current@freebsd.org Sat Jun 25 11:18:04 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 F36C0B80C70 for ; Sat, 25 Jun 2016 11:18:04 +0000 (UTC) (envelope-from ohartman@zedat.fu-berlin.de) Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B3A2D1761; Sat, 25 Jun 2016 11:18:04 +0000 (UTC) (envelope-from ohartman@zedat.fu-berlin.de) Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost.zedat.fu-berlin.de (Exim 4.85) with esmtps (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (envelope-from ) id <1bGlb2-002X2m-0k>; Sat, 25 Jun 2016 13:17:56 +0200 Received: from x5ce13214.dyn.telefonica.de ([92.225.50.20] helo=thor.walstatt.dynvpn.de) by inpost2.zedat.fu-berlin.de (Exim 4.85) with esmtpsa (TLSv1.2:AES256-GCM-SHA384:256) (envelope-from ) id <1bGlb1-001NJU-MO>; Sat, 25 Jun 2016 13:17:55 +0200 Date: Sat, 25 Jun 2016 13:18:06 +0200 From: "O. Hartmann" To: Konstantin Belousov Cc: Brooks Davis , freebsd-current@freebsd.org Subject: Re: HEADS UP: caution required with updates using custom kernels Message-ID: <20160625131806.14fa4799.ohartman@zedat.fu-berlin.de> In-Reply-To: <20160625070238.GG38613@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> Organization: FU Berlin X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.29; amd64-portbld-freebsd11.0) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/YxFvnhQVDRpMlfk.y.YK6UX"; protocol="application/pgp-signature" X-Originating-IP: 92.225.50.20 X-ZEDAT-Hint: A 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 11:18:05 -0000 --Sig_/YxFvnhQVDRpMlfk.y.YK6UX Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable 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). =20 > 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? --Sig_/YxFvnhQVDRpMlfk.y.YK6UX Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJXbmhvAAoJEOgBcD7A/5N8epUH/3j/Rzl8uMsFgdLacDRVW+N8 0xXpsmEPZXTKErtauqrKfPuAbTMwtZuC8PEEhJf+t0yviaCpJ5pqrpnJY5+VeJl5 zbtSxlWf2fvBJFsYXG1VahxrnUTsnJCDfq/JFIwht8/RfGN5JbKN2NQElK7L3RC3 PP4hm4qhBCUbhefdeQaAAtWxf8mRcI1AMgiBUHw1iXhD6f28xqPEJCyGE26v9bBi 2kv31H2eHdUAdR9uHGx82TdcwQv/6EJpUFRi5P9rYgI6+ZHRwS14BhLEPFAXYWRZ FlndJWBQqp4KRcJKNW/tNbESaWMV5Chi8HA7O7wcbsH73/kH/wVbmDk08+mZebw= =Mizc -----END PGP SIGNATURE----- --Sig_/YxFvnhQVDRpMlfk.y.YK6UX--