From owner-freebsd-current Sun Nov 17 10:18: 3 2002 Delivered-To: freebsd-current@freebsd.org Received: from green.bikeshed.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 66D0C37B401 for ; Sun, 17 Nov 2002 10:18:02 -0800 (PST) Received: from green.bikeshed.org (3x4pakmwtbkadt6f@green.bikeshed.org [10.0.0.1] (may be forged)) by green.bikeshed.org (8.12.6/8.12.6) with ESMTP id gAHII156008645 for ; Sun, 17 Nov 2002 13:18:01 -0500 (EST) (envelope-from green@green.bikeshed.org) Received: from localhost (green@localhost) by green.bikeshed.org (8.12.6/8.12.6/Submit) with ESMTP id gAHII1WI008641 for ; Sun, 17 Nov 2002 13:18:01 -0500 (EST) Message-Id: <200211171818.gAHII1WI008641@green.bikeshed.org> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: current@FreeBSD.org Subject: Re: kernel panic trying to utilize a da(4)/umass(4) device with ohci(4) In-Reply-To: Your message of "Sun, 06 Oct 2002 19:42:18 EDT." <200210062342.g96NgIoA001063@green.bikeshed.org> From: "Brian F. Feldman" Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 17 Nov 2002 13:18:00 -0500 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 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. Anyone? I kinda want to use my CF reader. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org <> bfeldman@tislabs.com \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message