From owner-svn-src-all@FreeBSD.ORG Mon Jun 15 07:53:55 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 89FFF1065673; Mon, 15 Jun 2009 07:53:55 +0000 (UTC) (envelope-from gary.jennejohn@freenet.de) Received: from mout3.freenet.de (mout3.freenet.de [IPv6:2001:748:100:40::2:5]) by mx1.freebsd.org (Postfix) with ESMTP id 21CB58FC0A; Mon, 15 Jun 2009 07:53:55 +0000 (UTC) (envelope-from gary.jennejohn@freenet.de) Received: from [195.4.92.18] (helo=8.mx.freenet.de) by mout3.freenet.de with esmtpa (ID gary.jennejohn@freenet.de) (port 25) (Exim 4.69 #88) id 1MG70q-0004EM-Gt; Mon, 15 Jun 2009 09:53:52 +0200 Received: from ta650.t.pppool.de ([89.55.166.80]:21106 helo=ernst.jennejohn.org) by 8.mx.freenet.de with esmtpa (ID gary.jennejohn@freenet.de) (port 25) (Exim 4.69 #79) id 1MG70q-0000RL-7a; Mon, 15 Jun 2009 09:53:52 +0200 Date: Mon, 15 Jun 2009 09:53:51 +0200 From: Gary Jennejohn To: Sam Leffler Message-ID: <20090615095351.42d823c1@ernst.jennejohn.org> In-Reply-To: <4A356A0F.3050800@freebsd.org> References: <200906141801.n5EI1Zti056239@svn.freebsd.org> <4A356A0F.3050800@freebsd.org> X-Mailer: Claws Mail 3.7.1 (GTK+ 2.14.7; amd64-portbld-freebsd8.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Ed Schouten Subject: Re: svn commit: r194204 - in head/sys: amd64/conf i386/conf X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: gary.jennejohn@freenet.de List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jun 2009 07:53:56 -0000 On Sun, 14 Jun 2009 14:22:23 -0700 Sam Leffler wrote: > Ed Schouten wrote: > > Author: ed > > Date: Sun Jun 14 18:01:35 2009 > > New Revision: 194204 > > URL: http://svn.freebsd.org/changeset/base/194204 > > > > Log: > > Enable PRINTF_BUFR_SIZE on i386 and amd64 by default. > > > > In the past there have been some reports of PRINTF_BUFR_SIZE not > > functioning correctly. Instead of having garbled console messages, we > > should just see whether the issues are still there and analyze them. > > > > When I suggested enabling this by default for SMP configurations I was > reminded it wasn't enabled because of potential stack overflow. > I've been using this for years and have yet to see a stack overflow. As a rule, kernel printf's seem to be short enough that a value of 128 is sufficient and doesn't result in stack pressure. --- Gary Jennejohn