From owner-freebsd-current@FreeBSD.ORG Sun Dec 15 18:10:49 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id EA2A8C49 for ; Sun, 15 Dec 2013 18:10:48 +0000 (UTC) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 6EB2615DC for ; Sun, 15 Dec 2013 18:10:48 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.7/8.14.7) with ESMTP id rBFIAgAx006209; Sun, 15 Dec 2013 20:10:42 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.8.3 kib.kiev.ua rBFIAgAx006209 Received: (from kostik@localhost) by tom.home (8.14.7/8.14.7/Submit) id rBFIAg4h006208; Sun, 15 Dec 2013 20:10:42 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sun, 15 Dec 2013 20:10:42 +0200 From: Konstantin Belousov To: Marc UBM Subject: Re: SVN commit 259045 breaks -CURRENT Message-ID: <20131215181042.GO59496@kib.kiev.ua> References: <52ACD12A.5020906@freebsd.org> <20131214215904.GA24545@troutmask.apl.washington.edu> <52ACD783.7030203@freebsd.org> <20131214221627.GA24637@troutmask.apl.washington.edu> <20131215054722.GI59496@kib.kiev.ua> <20131215055604.GA27022@troutmask.apl.washington.edu> <20131215064322.GL59496@kib.kiev.ua> <20131215172814.72a44d5f71b523a13ace8b54@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="BFvPoRvBsltj3jVY" Content-Disposition: inline In-Reply-To: <20131215172814.72a44d5f71b523a13ace8b54@gmail.com> User-Agent: Mutt/1.5.22 (2013-10-16) 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 version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.17 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: Sun, 15 Dec 2013 18:10:49 -0000 --BFvPoRvBsltj3jVY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Dec 15, 2013 at 05:28:14PM +0100, Marc UBM wrote: > On Sun, 15 Dec 2013 08:43:22 +0200 > Konstantin Belousov wrote: >=20 > > On Sat, Dec 14, 2013 at 09:56:04PM -0800, Steve Kargl wrote: > > > On Sun, Dec 15, 2013 at 07:47:22AM +0200, Konstantin Belousov wrote: > > > > On Sat, Dec 14, 2013 at 02:16:27PM -0800, Steve Kargl wrote: > > > > > On Sat, Dec 14, 2013 at 11:11:15PM +0100, Stefan Esser wrote: > > > > > > Am 14.12.2013 22:59, schrieb Steve Kargl: > > > > > > > On Sat, Dec 14, 2013 at 10:44:10PM +0100, Stefan Esser wrote: > > > > > > >> > > > > > > >> 2) SSH logins are very slow, many seconds of delay between c= onnect > > > > > > >> and password prompt, several seconds after password entry= until > > > > > > >> a command prompt appears (normally instantaneous) > > > > > > >> > > > > > > >=20 > > > > > > > Ah, so that explains the behavior I'm see. Just updated a ci= rca Aug 3rd > > > > > > > i386 FreeBSD to top-of-tree. My ssh logins to my work system= take 30+ > > > > > > > seconds now. :( > > > > > >=20 > > > > > > You may want to test the attached patch, which reverts the above > > > > > > mentioned commit. > > > > > >=20 > > > > >=20 > > > > > I probably won't get to it until tomorrow, because I had started > > > > > a dog-food system purge including re-installing all ports. The > > > > > laptop takes a bit a time to recompile everything. > > > > >=20 > > > >=20 > > > > Are you all running i386, compiled with gcc ? > > >=20 > > > The Aug 3rd system was built with gcc. The system upgrade I > > > did this morning is using clang. I rebuilt everything and > > > delete old things with delete-old and delete-old-libs. >=20 > A kernel built with the commit reverted has not exhibited any similar > behavior during the whole day. I'll recompile again with the overflow > option enabled to see if the issue returns. I am interested in a different experiment. Compile the same version of the kernel with gcc with -fno-strict-overflow enabled. Report if the same problem persist. I am going to revert the option in several minutes, but do want see the result of the above test. --BFvPoRvBsltj3jVY Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBAgAGBQJSrfChAAoJEJDCuSvBvK1B7jkP/38X2O9eGCVlyBBPSnxL5f0K XFyd7mZfZ7/bDRQV694LY90hEcDJuAFDIZPp4SGGff5HB5v9Iic7CFXRDWSq8OCR YFDOCCL9jS+D2XZIt6POVhgD1fI9/rcXquaQymxuVHa+LqZ7J5dlMy60nVy+9tlt Tjp+a7Iyf15vQ+88NKO1k2Fv/rlHmy6G84kAxWAYKfkZ4ocRsS5kEez7LG3TeCUF SqNtocrQ0laoP6lIK/vuvVx9yCnfwAJrrHjFxo2wghuOufOMuAs7gGAVDHPTsShL tpN8PWpU01FwzV0EsKaaQqCXKGdtjMZYjY8iUL815l8f0ODkRc1wmqAG1dzFNg4P G5qYQmEpeMwY8f1GtNNb1GzGjKSuLE+sG/WpYpraLNuc68FZnXxXc0dwKlMvSUrR ETRW9bT8oQcgXc9LxmhEmJnGaRBUwmWD/Cmc7NUBcz/4q/A+IjOGCDVHxEQ9XUsX Q3CEYNXW/dI8UpNEm2BqG8/UmivmZHRWKUvtfaAEPyEKkWI1XKCpoE7PQKbeuA6B hwZjXRNr6AShrywVJVeTL/cammO0mONR13jT/NaGwELOVjMGsmLN+aFMts/9GmzK WqL8/9NRCrB4SwjGq7Q7gptTwvhGLIbDO/WF/tepiYphY1iinUgTNDVEJSvSdLwP 8WCQkeL7FZX96iMaGbyZ =1yjU -----END PGP SIGNATURE----- --BFvPoRvBsltj3jVY--