From owner-svn-src-head@freebsd.org Fri Apr 14 19:32:19 2017 Return-Path: Delivered-To: svn-src-head@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 AFB96D3E0A8; Fri, 14 Apr 2017 19:32:19 +0000 (UTC) (envelope-from peter@wemm.org) Received: from smtp2.wemm.org (smtp2.wemm.org [IPv6:2001:470:67:39d::78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp2.wemm.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9AECE8C5; Fri, 14 Apr 2017 19:32:19 +0000 (UTC) (envelope-from peter@wemm.org) Received: from overcee.wemm.org (canning.wemm.org [192.203.228.65]) by smtp2.wemm.org (Postfix) with ESMTP id C0D532FA; Fri, 14 Apr 2017 12:32:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wemm.org; s=m20140428; t=1492198338; bh=kHIaA7a0IjEX2MvS6UZarJy9E0ji9RDq6eE4gfsVa7k=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=P0EVA9E6K0m1Q6EeOeIRvV2Er5Nbxqiy5O2jumSQyyVeVGWfgfZng7KZW+GpqXveA 6MvbOfDkj6WbobFu9gsVXwwpTgUPCEDVG1mLTAQVWk+W7nhj14PCcL5EZ3tQkxwvGK Z55/SnTP+7IHrzOWnaY9NRMxdH0y+NMw1aBKhfo0= From: Peter Wemm To: svn-src-all@freebsd.org Cc: svn-src-head@freebsd.org, Maxim Sobolev , src-committers@freebsd.org, Hiren Panchasara Subject: Re: svn commit: r316874 - head/sys/kern Date: Fri, 14 Apr 2017 12:32:14 -0700 Message-ID: <12133324.zHp9vo75vZ@overcee.wemm.org> User-Agent: KMail/4.14.10 (FreeBSD/12.0-CURRENT; KDE/4.14.10; amd64; ; ) In-Reply-To: <1599271.FxKGEkh3s8@overcee.wemm.org> References: <201704141723.v3EHNS3B043902@repo.freebsd.org> <1599271.FxKGEkh3s8@overcee.wemm.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart16221178.3qmYparrNt"; micalg="pgp-sha256"; protocol="application/pgp-signature" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Apr 2017 19:32:19 -0000 --nextPart16221178.3qmYparrNt Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" On Friday, April 14, 2017 11:49:26 AM Peter Wemm wrote: > On Friday, April 14, 2017 05:23:28 PM Maxim Sobolev wrote: > > Author: sobomax > > Date: Fri Apr 14 17:23:28 2017 > > New Revision: 316874 > > URL: https://svnweb.freebsd.org/changeset/base/316874 > >=20 > > Log: > > Restore ability to shutdown DGRAM sockets, still forcing ENOTCONN= to be > >=20 > > returned by the shutdown(2) system call. This ability has been lost= as > > part > > of the svn revision 285910. > >=20 > > Reviewed by:=09ed, rwatson, glebius, hiren > > MFC after:=092 weeks > > Differential Revision:=09https://reviews.freebsd.org/D10351 >=20 > This appears to have broken syslogd and had a major change in behavio= r with > regards to select(2). >=20 > If you run syslogd with the -s flag (which is default), it now spins = at 100% > cpu as all the shutdown sockets now return readable from select. >=20 > Old releases / jails also manifest this behavor. If it wasn't for lo= sing > the ability to run old branch binaries I'd suggest changing syslogd > instead, but we depend on this in the cluster and I expect others do = too. >=20 > I'm not 100% certain that this change is the culprit but a heads-up c= an't > hurt. I'll try reverting it on the freebsd cluster next, after fixing= the > broken auditing changes. >=20 > -Peter I can confirm that reverting r316874 fixes syslogd and backwards compat= ability=20 with old branches. =2D-=20 Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com; KI= 6FJV UTF-8: for when a ' or ... just won\342\200\231t do\342\200\246 --nextPart16221178.3qmYparrNt Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEBgrA0Vr/vfNVuPoUNdaXCeyAngQFAljxI74ACgkQNdaXCeyA ngQkywf+Mmm+D59fuaA2/VIm1MZFYTUmfKFjQt1CkoRhul4dUF82c+2LUoFsTXLD hl/gq6+J5jcO1HaVgUe29BMFK+R7egZknGQzil1kLEtRAe6W3lomdJH+4aZHM1g1 SmhN8eNONP5qCRfrGiYufYOJQqCXbgGrVbZNraVI8s2CkTlmATF/eBbuPwn/9T6z oKFiR84IZXblwbWpFyq6k72F2Q3Y/17Jf3IpwscefvM9VSlk+Ak7QfqJK8lKOfI9 tcp+7tlR4Kp2oqwI88J2WzEwcxiOwaFrJljYyBvX7wRnHAE13WGQzX9e0+ZUqiS8 L3mDZ7fHDXDl/iaVgYrhAl3xSmS5JQ== =lG7i -----END PGP SIGNATURE----- --nextPart16221178.3qmYparrNt--