From owner-freebsd-stable@FreeBSD.ORG Thu Oct 23 20:10:00 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 EECA210656A7; Thu, 23 Oct 2008 20:10:00 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id 6D88D8FC0C; Thu, 23 Oct 2008 20:10:00 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [IPv6:::1]) (authenticated bits=0) by server.baldwin.cx (8.14.2/8.14.2) with ESMTP id m9NK9hMP030923; Thu, 23 Oct 2008 16:09:49 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-stable@freebsd.org Date: Thu, 23 Oct 2008 16:08:09 -0400 User-Agent: KMail/1.9.7 References: <200810230627.46478.freebsd-stable@dino.sk> <20081023062449.GA78633@icarus.home.lan> In-Reply-To: <20081023062449.GA78633@icarus.home.lan> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200810231608.10110.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [IPv6:::1]); Thu, 23 Oct 2008 16:09:50 -0400 (EDT) X-Virus-Scanned: ClamAV 0.93.1/8479/Thu Oct 23 13:54:32 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=BAYES_00,NO_RELAYS autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Jeremy Chadwick , Milan Obuch Subject: Re: 6.4 RC1 locks up solid on first reboot 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, 23 Oct 2008 20:10:01 -0000 On Thursday 23 October 2008 02:24:49 am Jeremy Chadwick wrote: > On Thu, Oct 23, 2008 at 06:27:45AM +0200, Milan Obuch wrote: > > On Thursday 23 October 2008 01:32:27 Jo Rhett wrote: > > > I haven't had time to investigate, but after installing 6.4RC1 on a > > > machine I've been using with 6.3 for a few months, it installs > > > painlessly but on the first and subsequent reboots you see > > > > > > BTX Loader 1.00 blah blah blah > > > ... > > > Loading /boot/defaults/loader.con > > > \ > > > > > > At this point you have a hard refreeze -- no keyboard control, however > > > I can reboot it from the Phantom card. > > > > > > System: Rackable C2004, dual Intel 2.66 processors, 4gb RAM, disk > > > drive on built in SCSI port > > > > > > Absolutely nothing special, boots and runs 6.2 and 6.3 without a flaw. > > > > > > I'll have more time to investigate on Friday. Anything specific that > > > would be more or less useful to debug in particular? > > > > I did not investigate on this issue too much, but there is an workaround - > > copy older /boot/loader over newer one. In my case, I am rebuilding whole > > world often, and now /boot/loader seems to not build correctly for me. Older > > one is ~ 250 kB, rebuilt will be ~ 185 kB, and freezes. > > > > In your case, you would write old /boot/loader from 6.3 over new installed > > with 6.4RC1 and it will boot normally again. > > > > I know it is only workaround, but it's quick and easy, and I have not too much > > time to investigate any further (not to mention I have no idea what to look > > for and where). > > Has anyone filed a PR on this problem, or contacted John Baldwin? Yes, but debugging these hangs is very non-trivial. It likely involves disassembling the BIOS and trying to see where it can get stuck in a loop. -- John Baldwin