From owner-freebsd-acpi@FreeBSD.ORG Fri Dec 2 22:44:24 2005 Return-Path: X-Original-To: freebsd-acpi@freebsd.org Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 747CC16A41F for ; Fri, 2 Dec 2005 22:44:24 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail6.speedfactory.net [66.23.216.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6065543D58 for ; Fri, 2 Dec 2005 22:44:23 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.5b3) with ESMTP id 3033607 for multiple; Fri, 02 Dec 2005 17:42:15 -0500 Received: from localhost (john@localhost [127.0.0.1]) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id jB2Mi94F011002; Fri, 2 Dec 2005 17:44:10 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: Eugene Grosbein Date: Fri, 2 Dec 2005 17:32:14 -0500 User-Agent: KMail/1.8.2 References: <20050513140240.GA25774@svzserv.kemerovo.su> In-Reply-To: <20050513140240.GA25774@svzserv.kemerovo.su> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200512021732.15866.jhb@freebsd.org> X-Spam-Status: No, score=-2.8 required=4.2 tests=ALL_TRUSTED autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on server.baldwin.cx X-Server: High Performance Mail Server - http://surgemail.com r=1653887525 Cc: freebsd-acpi@freebsd.org Subject: Re: 5.4: pci_link problem on 440BX 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: Fri, 02 Dec 2005 22:44:24 -0000 On Friday 13 May 2005 10:02 am, Eugene Grosbein wrote: > John Baldwin wrote: > > We shouldn't print that message unless pci_link is enabled. When > > pci_link is disabled we shouldn't even be looking at PRT entries. Can > > you try booting a 6.0-snapshot CD and seeing if it works ok? > > Now 6.0 boots to multiuser mode with ACPI fully enabled or fully disabled. > make buildworld cannot be completed with ACPI - still silent hang > of userland and no console switching (keyboard leds do switch and > KDB works). > > 6.0's GENERIC does not boot to single user with > debug.acpi.disabled="pci_link", fatal trap 12 occures: page fault while in > kernel mode, > fault virtual address 0x0, supervisor read, page not present > in acpi_pci_link_lookup+0x26. I think I know what this is and this patch probably fixes the panic in the case that you use 'debug.acpi.disabled="pci_link"' --- //depot/vendor/freebsd/src/sys/dev/acpica/acpi_pci_link.c 2005/11/23 16:40:40 +++ //depot/user/jhb/acpipci/dev/acpica/acpi_pci_link.c 2005/12/02 22:28:08 @@ -1011,6 +1011,9 @@ { struct link *link; + if (acpi_disabled("pci_link")) + return (PCI_INVALID_IRQ); + ACPI_SERIAL_BEGIN(pci_link); link = acpi_pci_link_lookup(dev, index); if (link == NULL) How does the 6.0 install CD do on your machine both with ACPI enabled and disabled? -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org