From owner-freebsd-stable@FreeBSD.ORG Tue Nov 24 22:11:58 2009 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 855611065670 for ; Tue, 24 Nov 2009 22:11:58 +0000 (UTC) (envelope-from zbeeble@gmail.com) Received: from ey-out-2122.google.com (ey-out-2122.google.com [74.125.78.24]) by mx1.freebsd.org (Postfix) with ESMTP id 0F4E08FC1B for ; Tue, 24 Nov 2009 22:11:57 +0000 (UTC) Received: by ey-out-2122.google.com with SMTP id 22so1771441eye.9 for ; Tue, 24 Nov 2009 14:11:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=cml/A3r1sa5kH7/9rxF/VdbIin8bOTvmvT9bHE47gPI=; b=nZ7c22shqwjk7GdJi9r9BbQHB5ca7FdKE/jse5Q6JSSqKYvMTWZrN/hHJ5uJXzP323 KYaU2jAGywyx2MJJ99/aV8gAeFkVGCBDkKAs5FtglSFA2kowuGtjHbvQwx2WBGNel/1a NFxV5pxv8PFEWKcqSzD9Hhi+pUkwtw75vEHiM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=V7aq7KIEJkK/iEu78gkdt6YPVWug9ncL6aGB3C9Ry/VjLaVdhftoCFshHwC8KWtOYc E1uxusueo9q+3ZBFSEmvYKoVxw5PB7Sx4Nis7T/B4NUR6BRl/qGH55oY3tA1x3nN559q f2NTaXrQTQCkBEL7dgbMuBO7JZtzH0trHvscU= MIME-Version: 1.0 Received: by 10.216.88.85 with SMTP id z63mr344580wee.129.1259100716873; Tue, 24 Nov 2009 14:11:56 -0800 (PST) In-Reply-To: <5f67a8c40911222047m78ac7378i8a2016449d0d2996@mail.gmail.com> References: <5f67a8c40911121246m144ba07w707a1c268fb2102c@mail.gmail.com> <4AFD6D69.7090109@thekeelecentre.com> <5f67a8c40911131757s48a57d9by11c74a417324e48c@mail.gmail.com> <20091114024438.GA93630@icarus.home.lan> <5f67a8c40911221809h25253009od8a83d058f68ad9c@mail.gmail.com> <5f67a8c40911222047m78ac7378i8a2016449d0d2996@mail.gmail.com> Date: Tue, 24 Nov 2009 17:11:56 -0500 Message-ID: <5f67a8c40911241411l95e06ebya99270ac4eff17e3@mail.gmail.com> From: Zaphod Beeblebrox To: Jeremy Chadwick Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 7.x hang-on-boot on Dell 1950 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: Tue, 24 Nov 2009 22:11:58 -0000 On Sun, Nov 22, 2009 at 11:47 PM, Zaphod Beeblebrox wrote: > > > On Sun, Nov 22, 2009 at 9:09 PM, Zaphod Beeblebrox wrote: > >> >> >> On Fri, Nov 13, 2009 at 9:44 PM, Jeremy Chadwick < >> freebsd@jdc.parodius.com> wrote: >> >>> >>> > This 1950 may predate that a bit, but I'm not sure how to nail it down >>> > exactly, other than by it's hardware components. Anyways, 7.0 does the >>> same >>> > thing --- still wedged. >>> >>> I haven't seen anyone recommend this as a test method yet -- disabling >>> fdc prior to the kernel booting via the loader prompt: >>> >>> - Press 6 at the menu, >>> - At the loader prompt, type: >>> >>> set hint.fdc.0.disabled="1" >>> boot -v (or without -v; your choice) >>> >>> You shouldn't need to set hint.fd.0.disabled="1", since fd0 would >>> normally bind to fdc0; disable the latter and you disable the lesser. >>> >>> The intention here is to rule out the device attachment failures from >>> fdc as the source of the deadlock. >>> >> >> Entertainingly, it does not. Aparently that hint doesn't stop the code >> from trying to attach fdc0 when acpi says so. I suppose I need to know the >> console command to disable acpi and fdc. >> >> but it still wedges at "device_attach: fdc0 attach returned 6" with the >> above. >> >> > OK. With both floppy and acpi disabled, it dies calling "start_init" > several times, the last being /stand/sysinstal (which should work). I don't > see it "starting" the other CPUs. It hangs hard... no keyboard working (ie: > no caps lock). > > OK... I finally figured out what makes this Dell boot. The system as I got it has 2 dual core (Xeon) processors. If I remove one processor (so now it has one dual-core processor), Then the system boots !?! ... so there's something wrong with how FreeBSD is going multiprocessor (works with RedHat, it would appear)