From owner-freebsd-stable@FreeBSD.ORG Tue Feb 28 19:39:27 2012 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 BDA0A106564A for ; Tue, 28 Feb 2012 19:39:27 +0000 (UTC) (envelope-from harry@yewbarrow.net) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id 8B6048FC15 for ; Tue, 28 Feb 2012 19:39:27 +0000 (UTC) Received: by iahk25 with SMTP id k25so874501iah.13 for ; Tue, 28 Feb 2012 11:39:26 -0800 (PST) Received-SPF: pass (google.com: domain of harry@yewbarrow.net designates 10.50.46.194 as permitted sender) client-ip=10.50.46.194; Authentication-Results: mr.google.com; spf=pass (google.com: domain of harry@yewbarrow.net designates 10.50.46.194 as permitted sender) smtp.mail=harry@yewbarrow.net Received: from mr.google.com ([10.50.46.194]) by 10.50.46.194 with SMTP id x2mr4064705igm.60.1330457966962 (num_hops = 1); Tue, 28 Feb 2012 11:39:26 -0800 (PST) MIME-Version: 1.0 Received: by 10.50.46.194 with SMTP id x2mr3292590igm.60.1330456554096; Tue, 28 Feb 2012 11:15:54 -0800 (PST) Sender: harry@yewbarrow.net Received: by 10.50.173.2 with HTTP; Tue, 28 Feb 2012 11:15:54 -0800 (PST) Date: Tue, 28 Feb 2012 19:15:54 +0000 X-Google-Sender-Auth: Tc4sNhrTZSNCXlC0mP2WenXJeVQ Message-ID: From: Harry Newton To: freebsd-stable@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQkPzZtbFvJ8QFrRFIpt+UctNR/Q6oBN7VzXrw9xnA4/zvPe0PiMqhpmWTQpZWiDS5eHaIzO Subject: Regression between 9-RELEASE and 9-STABLE [PCIB ?] 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, 28 Feb 2012 19:39:27 -0000 9-RELEASE works fine. csup to 9-STABLE and make buildworld kernel etc gives a system the hangs during the boot process. There are no error messages during the part boot, and no panic. Last messages before hang are: pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 I am stumped about how to diagnose this, and would be _very_ grateful for any suggestions. When it's hung I can't force a break to debugger (BREAK_TO_DEBUGGER) in kern conf: I imagine I'm too early in the boot sequence. - Harry -- Harry Newton