From owner-freebsd-stable@FreeBSD.ORG Mon May 18 17:07:43 2009 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 D65E4106574F; Mon, 18 May 2009 17:07:43 +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 A7A0F8FC1A; Mon, 18 May 2009 17:07:43 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 5C91A46B2D; Mon, 18 May 2009 13:07:43 -0400 (EDT) Received: from jhbbsd.hudson-trading.com (unknown [209.249.190.8]) by bigwig.baldwin.cx (Postfix) with ESMTPA id 4D8108A026; Mon, 18 May 2009 13:07:42 -0400 (EDT) From: John Baldwin To: Alexander Motin Date: Mon, 18 May 2009 11:44:50 -0400 User-Agent: KMail/1.9.7 References: <1242375781.00112347.1242364801@10.7.7.3> <1242404600.00112531.1242393604@10.7.7.3> <4A1094E7.9010502@FreeBSD.org> In-Reply-To: <4A1094E7.9010502@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200905181144.50693.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Mon, 18 May 2009 13:07:42 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95 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: Bruce Simpson , freebsd-stable@freebsd.org Subject: Re: Boot panic w/7.2-STABLE on amd64: resource_list_alloc 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: Mon, 18 May 2009 17:07:44 -0000 On Sunday 17 May 2009 6:51:19 pm Alexander Motin wrote: > John Baldwin wrote: > > Sounds like the ATA driver is allocating the same BAR twice. Hmm, yes, it > > allocates the resources once for each channel it seems in the ata_ali_sata > > attachment. Looking in ata-chipset.c, all the other chipsets are good about > > allocating these resources in their chipinit routines rather than the > > per-channel allocate routine. Well, except ata_pci_allocate() is also > > busted. *sigh* I can work on a patch for HEAD if you are willing to test. > > ata_pci_allocate() (now known as ata_pci_ch_attach()) is a different > case. It uses allocation functions wrapped by the atapci "bus", so every > channel uses it's own pair of RIDs. Hmm, ok. > Problem of ALI SATA is a bit different. As I understand, controller has > two pairs of RIDs for 4 channels, so each channel should share resources > with another one, just using different offset. Is there any other way to > correctly handle two halves of same resource separately without teaching > atapci to virtualize this as interrupts or handle it on controller level? I will just fix the ALI attachment to handle this possibly by using 'chipset_data' to cache resources. -- John Baldwin