From owner-freebsd-acpi@FreeBSD.ORG Sun Sep 12 19:28:49 2010 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5CC931065670 for ; Sun, 12 Sep 2010 19:28:49 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id A7D208FC14 for ; Sun, 12 Sep 2010 19:28:48 +0000 (UTC) Received: from porto.topspin.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id WAA01233; Sun, 12 Sep 2010 22:28:42 +0300 (EEST) (envelope-from avg@icyb.net.ua) Received: from localhost.topspin.kiev.ua ([127.0.0.1]) by porto.topspin.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1OusEE-000GAl-DP; Sun, 12 Sep 2010 22:28:42 +0300 Message-ID: <4C8D29E9.1030600@icyb.net.ua> Date: Sun, 12 Sep 2010 22:28:41 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.9) Gecko/20100912 Lightning/1.0b2 Thunderbird/3.1.3 MIME-Version: 1.0 To: Bruce Cran References: <20100912201255.0000579a@unknown> In-Reply-To: <20100912201255.0000579a@unknown> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@freebsd.org Subject: Re: Hang when booting with verbose ACPI debugging X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Sep 2010 19:28:49 -0000 on 12/09/2010 22:12 Bruce Cran said the following: > Hi, > > I'm running -current from a few days ago and decided to see if I could > figure out if I should be getting more Cx levels after enabling > C3/C6/C7 in the BIOS. However when setting: > > debug.acpi.layer="ACPI_ALL_DRIVERS" > debug.acpi.level="ACPI_LV_ALL" > > the system hangs at the Entropy harvesting line (I know those debug > settings are too much for debugging Cx support). It also hung when I > booted into single-user mode and tried to list the debug.acpi sysctls. > Although the system doesn't respond to keypresses, the system isn't > totally locked up: pressing the power button a couple of times triggers > the message that the system's not ready to switch into S5 mode. Well, can't really tell what's going on, but consider a possibility that the system is just very busy writing out all the debugging info. All in all, this needs further investigation. -- Andriy Gapon