From owner-svn-src-head@freebsd.org Fri Apr 14 19:41:54 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 8BA3DD3E2E5 for ; Fri, 14 Apr 2017 19:41:54 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: from mail-io0-x234.google.com (mail-io0-x234.google.com [IPv6:2607:f8b0:4001:c06::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4D1FBCF9 for ; Fri, 14 Apr 2017 19:41:54 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: by mail-io0-x234.google.com with SMTP id k87so98090855ioi.0 for ; Fri, 14 Apr 2017 12:41:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sippysoft-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=U+04fCFBtpnXmIt97UNzs1eFNXVni3GjYsE6IpsJvLQ=; b=DWQHG/FljMXszjBRHAjlEhLTm9ZJcGlh6ezuWnCg4yxc/W0Ljo9b2G5IX9lv/8KEwG HKivCwyWg/Hi7f6MPhvQ8cfEDgeC6UU1LlZjzB/D3nBhCGWV+Gn6AhtzJKs2EJsdLkY3 eaeqPZszsvh3wCH75kYjlrQsm1A5l0YwN9knRW+lVN9Qd0N/5Jig5ICQHGA7buLrvcoa J+BOIxr1qpQPgBe71fjvPuZuz5QyqOezbchveqAPWR+nRC9V5WlvDjC3Z14iqmUjmajD N+rkBi6imOaiylQ0ULdpGSmZLG2UhXtcjSbo+JdsUZJJOSyf7/kbOWilBpQ5Zx5BRYL/ IvLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=U+04fCFBtpnXmIt97UNzs1eFNXVni3GjYsE6IpsJvLQ=; b=W54F7TTIms+WivqAuB6aqraCNMt5jil7IQrXffaminU1MQWE18/UBa7say+b1x5eOg pD1EU6WlFcFZ/VZ1dqBwexa/us3W7sP1LQD10k49Vw554lMezXXvHX/JpTvq3ABdohub hgda1nO2ESpH/4gzsbtdIQfdGdrw6V1de2QynA/q21n+Z4ULyCTStlxdmpNeH2GMVBhE Rb270y5L2flt2BiIcWnDCy3AQoZoK3yvPl2jkEpbycefQYPnkkEycPIEEJKTY44km0d5 kocUHdCr0OCrTaVdCqMdOsNO4SYzwD1ripke5CErvbY6xMJnTF7p941neuMnMVCyCXW6 8FFQ== X-Gm-Message-State: AN3rC/7O6cjVjZ/09zRcH+xd/Uhsc+MPEmRPiHmg058miZNuIXtnD/sc oE+nFuEc2NJXdWaNOJVFgz6bYj3gBTPH X-Received: by 10.107.170.163 with SMTP id g35mr12721853ioj.101.1492198913628; Fri, 14 Apr 2017 12:41:53 -0700 (PDT) MIME-Version: 1.0 Sender: sobomax@sippysoft.com Received: by 10.36.104.135 with HTTP; Fri, 14 Apr 2017 12:41:52 -0700 (PDT) Received: by 10.36.104.135 with HTTP; Fri, 14 Apr 2017 12:41:52 -0700 (PDT) In-Reply-To: <12133324.zHp9vo75vZ@overcee.wemm.org> References: <201704141723.v3EHNS3B043902@repo.freebsd.org> <1599271.FxKGEkh3s8@overcee.wemm.org> <12133324.zHp9vo75vZ@overcee.wemm.org> From: Maxim Sobolev Date: Fri, 14 Apr 2017 12:41:52 -0700 X-Google-Sender-Auth: huJXHFzfgMcZtTnq7WY_iiD_uT8 Message-ID: Subject: Re: svn commit: r316874 - head/sys/kern To: Peter Wemm Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Hiren Panchasara Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 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 19:41:54 -0000 Thanks, Peter. I will try to look into this asap. -Max On Apr 14, 2017 12:32 PM, "Peter Wemm" wrote: > 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 > > > > > > Log: > > > Restore ability to shutdown DGRAM sockets, still forcing ENOTCONN to > be > > > > > > returned by the shutdown(2) system call. This ability has been lost as > > > part > > > of the svn revision 285910. > > > > > > Reviewed by: ed, rwatson, glebius, hiren > > > MFC after: 2 weeks > > > Differential Revision: https://reviews.freebsd.org/D10351 > > > > This appears to have broken syslogd and had a major change in behavior > with > > regards to select(2). > > > > 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. > > > > Old releases / jails also manifest this behavor. If it wasn't for losing > > 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. > > > > I'm not 100% certain that this change is the culprit but a heads-up can't > > hurt. I'll try reverting it on the freebsd cluster next, after fixing the > > broken auditing changes. > > > > -Peter > > I can confirm that reverting r316874 fixes syslogd and backwards > compatability > with old branches. > > -- > Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com; > KI6FJV > UTF-8: for when a ' or ... just won\342\200\231t do\342\200\246