From owner-freebsd-stable@FreeBSD.ORG Fri Jan 9 09:31:01 2015 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id DB123AC8 for ; Fri, 9 Jan 2015 09:31:01 +0000 (UTC) Received: from mx0.gentlemail.de (mx0.gentlemail.de [IPv6:2a00:e10:2800::a130]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4FD54A18 for ; Fri, 9 Jan 2015 09:31:00 +0000 (UTC) Received: from mh0.gentlemail.de (mh0.gentlemail.de [IPv6:2a00:e10:2800::a135]) by mx0.gentlemail.de (8.14.5/8.14.5) with ESMTP id t099UtxY055199; Fri, 9 Jan 2015 10:30:55 +0100 (CET) (envelope-from h.schmalzbauer@omnilan.de) Received: from titan.inop.mo1.omnilan.net (titan.inop.mo1.omnilan.net [IPv6:2001:a60:f0bb:1::3:1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mh0.gentlemail.de (Postfix) with ESMTPSA id 6DDB7222; Fri, 9 Jan 2015 10:30:54 +0100 (CET) Message-ID: <54AF9FC7.7000705@omnilan.de> Date: Fri, 09 Jan 2015 10:30:47 +0100 From: Harald Schmalzbauer Organization: OmniLAN User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; de-DE; rv:1.9.2.8) Gecko/20100906 Lightning/1.0b2 Thunderbird/3.1.2 MIME-Version: 1.0 To: Dominik Zajac Subject: Re: Optimization flags lead to not working loader.efi References: <54AECCD5.6080500@banym.de> In-Reply-To: <54AECCD5.6080500@banym.de> X-Enigmail-Version: 1.1.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigFA2930A3AE2E53E5096221DD" X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (mx0.gentlemail.de [IPv6:2a00:e10:2800::a130]); Fri, 09 Jan 2015 10:30:55 +0100 (CET) X-Milter: Spamilter (Reciever: mx0.gentlemail.de; Sender-ip: ; Sender-helo: mh0.gentlemail.de; ) Cc: stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Jan 2015 09:31:01 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigFA2930A3AE2E53E5096221DD Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Bez=FCglich Dominik Zajac's Nachricht vom 08.01.2015 19:30 (localtime): > Hi, > > while testing on my workstation I had some optimizations flags in > place while I did buildword of 10-STABLE. > > The system failed to boot because of a not working loader.efi > I replaced the loader.efi with the one from the STABLE snapshot media > and the sytem loaded up correctly and worked as I could see. > > To verify I removed all custom flags from my make.conf and rebuilt > world again which leads to a fully working system again. > > Not sure if its a real bug or needs some more investigation. This would really need more investigation, it's been discussed some time ago here: https://lists.freebsd.org/pipermail/freebsd-current/2014-September/052345= =2Ehtml But there are other oddities with core-avx2 optimization, like discussed here: https://lists.freebsd.org/pipermail/freebsd-stable/2014-December/081382.h= tml Unfortunately I don't have enough compiler knowledge, nor even enough time at the moment to do anything helpful, just link to answers I'll track as soon as possible: https://lists.freebsd.org/pipermail/freebsd-current/2014-September/052354= =2Ehtml Bug Report: https://lists.freebsd.org/pipermail/freebsd-current/2014-November/053110.= html -Harry --------------enigFA2930A3AE2E53E5096221DD Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAlSvn80ACgkQLDqVQ9VXb8ijagCgwP3/z8eIkD1HSfctDOMpUK4o oy8An3uPP0bxvs2ergWAl0hA3lHgEDBe =kYtp -----END PGP SIGNATURE----- --------------enigFA2930A3AE2E53E5096221DD--