From owner-freebsd-stable@FreeBSD.ORG Thu Sep 11 16:30:01 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CD7E41065670; Thu, 11 Sep 2008 16:30:01 +0000 (UTC) (envelope-from eugen@kuzbass.ru) Received: from www.svzserv.kemerovo.su (www.svzserv.kemerovo.su [213.184.65.80]) by mx1.freebsd.org (Postfix) with ESMTP id 274B18FC0A; Thu, 11 Sep 2008 16:30:00 +0000 (UTC) (envelope-from eugen@kuzbass.ru) Received: from www.svzserv.kemerovo.su (eugen@localhost [127.0.0.1]) by www.svzserv.kemerovo.su (8.13.8/8.13.8) with ESMTP id m8BGTv6a015944; Fri, 12 Sep 2008 00:29:57 +0800 (KRAST) (envelope-from eugen@www.svzserv.kemerovo.su) Received: (from eugen@localhost) by www.svzserv.kemerovo.su (8.13.8/8.13.8/Submit) id m8BGTv3I015943; Fri, 12 Sep 2008 00:29:57 +0800 (KRAST) (envelope-from eugen) Date: Fri, 12 Sep 2008 00:29:56 +0800 From: Eugene Grosbein To: Bruce M Simpson Message-ID: <20080911162956.GA15152@svzserv.kemerovo.su> References: <48C91525.10806@incunabulum.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48C91525.10806@incunabulum.net> User-Agent: Mutt/1.4.2.3i Cc: Konstantin Belousov , FreeBSD stable , John Baldwin Subject: Re: Long delays for USB realbtx boot X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Sep 2008 16:30:01 -0000 On Thu, Sep 11, 2008 at 01:55:01PM +0100, Bruce M Simpson wrote: > I have hacked NanoBSD locally to deal with generation of images for > booting off USB keys. I am using the RELENG_7 branch as real-mode BTX > support is necessary to support USB boot. > > During testing I noticed that whilst the images eventually boot, there > is an extremely long delay before doing so, between when the BIOS reads > the boot sector and when the BTX loader messages appear. > > Test system Time > ---------------------------- > Thinkpad T43 1m 40s > ASUS Vintage AH-1 1m 7s > > Any ideas why this long delay is occuring? For me, it helps to include these knobs to Nano config file: CONF_WORLD=' BOOT_MBR_FLAGS=0x0 BOOT_BOOT1_FLAGS=0x0 ... ' Eugene Grosbein