From owner-freebsd-acpi@FreeBSD.ORG Fri Apr 15 13:31:25 2005 Return-Path: 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 B369216A4CE; Fri, 15 Apr 2005 13:31:25 +0000 (GMT) Received: from smtp.thilelli.net (smtp.thilelli.net [213.41.129.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2702843D49; Fri, 15 Apr 2005 13:31:24 +0000 (GMT) (envelope-from jpeg@thilelli.net) Received: from localhost (localhost [127.0.0.1]) by bento.thilelli.net (Postfix) with ESMTP id B8BF67300D; Fri, 15 Apr 2005 15:31:22 +0200 (CEST) Received: from bento.thilelli.net ([127.0.0.1]) by localhost (bento.thilelli.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 00725-05-2; Fri, 15 Apr 2005 15:31:18 +0200 (CEST) Received: from webmail.thilelli.net (localhost [127.0.0.1]) by bento.thilelli.net (Postfix) with ESMTP id 17BAB7300C; Fri, 15 Apr 2005 15:31:18 +0200 (CEST) Received: from 192.168.1.18 (SquirrelMail authenticated user jgabel) by webmail.thilelli.net with HTTP; Fri, 15 Apr 2005 15:31:18 +0200 (CEST) Message-ID: <60391.192.168.1.18.1113571878.squirrel@webmail.thilelli.net> In-Reply-To: <200504150217.37985.jhb@FreeBSD.org> References: <49704.192.168.1.18.1113475314.squirrel@webmail.thilelli.net> <200504150217.37985.jhb@FreeBSD.org> Date: Fri, 15 Apr 2005 15:31:18 +0200 (CEST) From: "Julien Gabel" To: "John Baldwin" User-Agent: SquirrelMail/1.4.4 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-Virus-Scanned: amavisd-new at thilelli.net cc: freebsd-acpi@freebsd.org cc: freebsd-usb@freebsd.org cc: bug-followup@freebsd.org Subject: Re: usb/74989: (regression) Lost USB support between 5.2.1-RELEASE and 5.3-RELEASE on K7T266 Pro2. X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: jpeg@thilelli.net List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Apr 2005 13:31:25 -0000 >> I made some progress here. After playing with BIOS settings, i am now >> able to: >> - Boot with ACPI enable (shutdown -p works as expected now); >> - Use USB devices. >> >> In order to do that, i had to totally disable "APIC Function" in the >> BIOS. With "APIC Function" enabled, neither version 1.4 nor 1.1 of the >> "MPS Table Version" settings solved my problem. >> >> So, although i need to disable "APIC Function", all seems to works >> correctly together: ACPI support and USB support. As a side note, i >> did not encountered anymore the interrupt storm on the uhci USB host >> controller driver. >> >> Maybe can someone explain me what may be wrong with "APIC Function", >> and if there is some drawbacks to disable it (or what is the purpose >> of this setting)? > APIC is used to route interrupts differently. You can also disable it > from the loader with 'hint.apic.0.disabled=1'. I've looked at your > dmesg's, and the problem is that in the ACPI case the IRQ 10 that your > USB controllers are using is configured as an ISA IRQ (edge/high). For > now you can either disable APIC or ACPI as a workaround until I figure > out a better solution. Thanks. I effectively prefer turn APIC off via the loader configuration than from the BIOS settings, i think it is far more easily to remember what i have done from this place. I can try patch(es) or make test(s) without problem on this machine, if any. Thanks a lot. -- -jpeg.