From owner-freebsd-current Sun Oct 6 17:47:23 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7468937B401; Sun, 6 Oct 2002 17:47:22 -0700 (PDT) Received: from volatile.chemikals.org (cae57-176-131.sc.rr.com [66.57.176.131]) by mx1.FreeBSD.org (Postfix) with ESMTP id D25F943E3B; Sun, 6 Oct 2002 17:47:21 -0700 (PDT) (envelope-from morganw@chemikals.org) Received: from localhost (morganw@localhost [127.0.0.1]) by volatile.chemikals.org (8.12.5/8.12.5) with ESMTP id g970lGQV054982; Sun, 6 Oct 2002 20:47:16 -0400 (EDT) (envelope-from morganw@chemikals.org) Date: Sun, 6 Oct 2002 20:47:16 -0400 (EDT) From: Wesley Morgan To: Brian Fundakowski Feldman Cc: current@FreeBSD.ORG Subject: Re: kernel panic trying to utilize a da(4)/umass(4) device with ohci(4) In-Reply-To: <200210062342.g96NgIoA001063@green.bikeshed.org> Message-ID: <20021006204642.W54933-100000@volatile.chemikals.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Hi. See pr kern/43462. Happens to me. I wish it would get fixed :) On Sun, 6 Oct 2002, Brian Fundakowski Feldman wrote: > I can't get more info because crash dumps don't work when this happens, but > for what it's worth, here's a traceback which shows what happens when I > attempt to use my da0: Removable Direct Access > SCSI-2 device on an OHCI-based controller. This was working just a few days > ago with a UHCI controller, so ... > > The crash is from an invalid read at 0xbff3e000, which is PTmap plus some > offset. The trace as far as I can get it, from a kernel with USB but no > "options" > enabled, would be: > > ohci_alloc_std_chain+0xf5 (calling a DMAADDR() function, I believe) > ohci_device_bulk_start+0x0d > ohci_device_bulk_transfer+0x27 > usbd_transfer+0xc0 > umass_setup_transfer+0x4f > umass_bbb_state > usb_transfer_complete > ohci_softintr > > Can anyone confirm if this is normal or I have an exceptional system? I > have two completely unrelated OHCI-based controllers in my system and > neither works. > > -- _ __ ___ ____ ___ ___ ___ Wesley N Morgan _ __ ___ | _ ) __| \ morganw@chemikals.org _ __ | _ \._ \ |) | FreeBSD: The Power To Serve _ |___/___/___/ Hi! I'm a .signature virus! Copy me into your ~/.signature to help me spread! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message