From owner-svn-src-all@freebsd.org Wed Dec 13 19:37:15 2017 Return-Path: Delivered-To: svn-src-all@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 BF338E84744; Wed, 13 Dec 2017 19:37:15 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 3A41E7F685; Wed, 13 Dec 2017 19:37:14 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221] (may be forged)) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id vBDJb0Qq028319 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 13 Dec 2017 20:37:01 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: danfe@FreeBSD.org Received: from [10.58.0.4] ([10.58.0.4]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id vBDJaqpI081158 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Thu, 14 Dec 2017 02:36:52 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: svn commit: r326809 - head/sys/dev/cardbus To: Alexey Dokuchaev References: <201712131338.vBDDcHCM091865@pdx.rh.CN85.dnsmgr.net> <5A3167E1.2000201@grosbein.net> <20171213180801.GA28514@FreeBSD.org> <5A316E7B.8030504@grosbein.net> <20171213182452.GA51526@FreeBSD.org> Cc: rgrimes@freebsd.org, Warner Losh , svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org From: Eugene Grosbein Message-ID: <5A318150.1000601@grosbein.net> Date: Thu, 14 Dec 2017 02:36:48 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: <20171213182452.GA51526@FreeBSD.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=2.2 required=5.0 tests=BAYES_00, LOCAL_FROM, RDNS_NONE autolearn=no autolearn_force=no version=3.4.1 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 1.9 RDNS_NONE Delivered to internal network by a host with no rDNS * 2.6 LOCAL_FROM From my domains X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on hz.grosbein.net X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list 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: Wed, 13 Dec 2017 19:37:15 -0000 14.12.2017 1:24, Alexey Dokuchaev wrote: >>> I'm a plain workstation user with X11+browser+torrent+quake2+you-name-it >>> apps, PAE-less, ZFS-less, and I don't want to get troubles due to r326758. >> >> Add kern.kstack_size=2 to /boot/loader.conf of your workstation now >> and you will notice no difference. > > FreeBSD is largely known for its sane defaults. Users should not touch > those config files, especially if things worked for years without any > /boot/loader.conf tweaking. If there are cases of kernel stack pressure > like your script had revealed, they should be fixed, and defaults stay > as they are now. I agree they should be fixed. I don't see they fixed soon (have not for years and there too many) and until then FreeBSD/i386 should panic due to incoming SCTP/IPV6 packet? > One does not tweak FreeBSD, it just works. (tm) Hmm. Do you really think so? I can assure you this is not true. There are numerous ways to take down untweaked FreeBSD system.