From owner-freebsd-stable@FreeBSD.ORG Sun Mar 30 08:26:19 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 33B8B600 for ; Sun, 30 Mar 2014 08:26:19 +0000 (UTC) Received: from udns.ultimateDNS.NET (ultimatedns.net [209.180.214.225]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id F34A5147 for ; Sun, 30 Mar 2014 08:26:18 +0000 (UTC) Received: from udns.ultimateDNS.NET (localhost [127.0.0.1]) by udns.ultimateDNS.NET (8.14.5/8.14.5) with ESMTP id s2U8Stk8016114; Sun, 30 Mar 2014 01:29:01 -0700 (PDT) (envelope-from bsd-lists@bsdforge.com) Received: (from www@localhost) by udns.ultimateDNS.NET (8.14.5/8.14.5/Submit) id s2U8Soxi016110; Sun, 30 Mar 2014 01:28:50 -0700 (PDT) (envelope-from bsd-lists@bsdforge.com) Received: from udns.ultimatedns.net ([209.180.214.225]) (UDNSMS authenticated user chrish) by ultimatedns.net with HTTP; Sun, 30 Mar 2014 01:28:50 -0700 (PDT) Message-ID: <9da21869740371e51b0e684f493676ef.authenticated@ultimatedns.net> In-Reply-To: <53378975.1000905@egr.msu.edu> References: <53378975.1000905@egr.msu.edu> Date: Sun, 30 Mar 2014 01:28:50 -0700 (PDT) Subject: Re: where's the full copy of dmesg(8)? From: "Chris H" To: "Adam McDougall" User-Agent: UDNSMS/2.0.3 MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Mar 2014 08:26:19 -0000 Greetings, Adam, and thank you for your reply. > On 03/29/2014 21:37, Chris H wrote: >> Greetings, >> I'm testing on 9.2-STABLE, and was experimenting on an AMD sempron >> (140). Booting from the boot-only, or DVD-1 DVD's doesn't emit the >> entire dmesg(8) output. Building, and installing a custom kernel also >> didn't provide the full dmesg(8) output. >> Specifically; it omits the top N lines (N = as yet, undetermined Number). >> I have no idea why, or how to correct this. I'm pretty confident >> the processor, and motherboard (MSI) are not too new for FreeBSD. > > I am almost certain you want to increase kern.msgbufsize at the boot > loader before booting. > > % sysctl -d kern.msgbufsize > kern.msgbufsize: Size of the kernel message buffer Interesting. Given that every system I run has (default) value of 65536. Can you, or anyone suggest what the correct, of better value should be? Or better, what the formula to determine that value is? I'm not finding either of those answers in the man(1) pages, or the documentation. Thanks again, for your thoughtful reply. --Chris > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >