From owner-freebsd-smp@FreeBSD.ORG Wed Dec 2 15:03:30 2009 Return-Path: Delivered-To: freebsd-smp@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 53966106566C for ; Wed, 2 Dec 2009 15:03:30 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 2531D8FC16 for ; Wed, 2 Dec 2009 15:03:30 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id CFC5D46B17; Wed, 2 Dec 2009 10:03:29 -0500 (EST) Received: from jhbbsd.localnet (unknown [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPA id 4A1228A01F; Wed, 2 Dec 2009 10:03:28 -0500 (EST) From: John Baldwin To: Ravi Shankar Date: Wed, 2 Dec 2009 09:39:28 -0500 User-Agent: KMail/1.12.1 (FreeBSD/7.2-CBSD-20091103; KDE/4.3.1; amd64; ; ) References: In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Message-Id: <200912020939.28152.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Wed, 02 Dec 2009 10:03:29 -0500 (EST) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.5 required=4.2 tests=AWL,BAYES_00,RDNS_NONE autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: freebsd-smp@freebsd.org Subject: Re: Regarding enabling IOAPIC on Intel Dual core processor based boards having Broadcom controller X-BeenThere: freebsd-smp@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD SMP implementation group List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Dec 2009 15:03:30 -0000 On Tuesday 01 December 2009 5:00:06 pm Ravi Shankar wrote: > Hi, >=20 > We are using Freebsd6.2 bases OS on our LV 5200 Series Intel Dual Core X= eon > bases processor(Wolfdale-DP-ULV). In the carrier board hosting the proces= sor > we have BCM5703 controller. > Currently we are using only one core in 32 bit mode and planning to use d= ual > core where we need to enable IOAPIC. When IOAPIC is not enabled I see the > bcm/bge driver is attached to IRQ10 and everything works fine, but when I > enable IOAPIC I still see the boot msgs show that bge is attached to irq10 > but the Broadcom controller does not come up. I found interrupt storm on > irq17 ( remember without IOAPIC enable there are not IRQ assignments beyo= nd > IRQ16),looks like the controller is interrupting on 17 while driver waits= on > 10. >=20 > When I stop and loader and assign it manually using config command "set > hw.pci8.9.INTA.irq=3D=9417=94" , everything works fine. Would be great if= some one > can throw some light on this IRQ mapping when IOAPIC is enabled and possi= ble > fix ( Software or BIOS?) This sounds like a BIOS issue. Are you using ACPI? If so, can you provide= =20 the output of 'acpidump -t' along with a dmesg? If you aren't using ACPI, = can=20 you provide the output of 'mptable' along with a dmesg? =2D-=20 John Baldwin