From owner-freebsd-usb@FreeBSD.ORG Thu May 5 21:27:01 2005 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 27AA216A4CE for ; Thu, 5 May 2005 21:27:01 +0000 (GMT) Received: from sep.oldach.net (sep.oldach.net [194.180.25.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2ABE143D1F for ; Thu, 5 May 2005 21:27:00 +0000 (GMT) (envelope-from hmo@sep.oldach.net) Received: from sep.oldach.net (localhost [127.0.0.1])j45LQiA1093782 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 5 May 2005 23:26:45 +0200 (CEST) (envelope-from hmo@sep.oldach.net) Received: (from hmo@localhost) by sep.oldach.net (8.13.3/8.13.3/Submit) id j45LQiaS093781; Thu, 5 May 2005 23:26:44 +0200 (CEST) (envelope-from hmo) Message-Id: <200505052126.j45LQiaS093781@sep.oldach.net> In-Reply-To: <427A887F.3020108@elischer.org> from Julian Elischer at "May 5, 2005 1:56:31 pm" To: julian@elischer.org (Julian Elischer) Date: Thu, 5 May 2005 23:26:44 +0200 (CEST) From: usbcrash@oldach.net (Helge Oldach) X-Message-Flag: No HTML mail please MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.84/871/Thu May 5 15:50:45 2005 on sep.oldach.net X-Virus-Status: Clean cc: usb@freebsd.org Subject: Re: recent USB MFCs cause panics X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 May 2005 21:27:01 -0000 Julian Elischer: > >#6 0xc016f772 in device_get_ivars (dev=0x0) at /usr/src/sys/kern/subr_bus.c:998 > >#7 0xc0237d5d in usb_disconnect_port (up=0xc18971c4, parent=0xc1897280) > > at /usr/src/sys/dev/usb/usb_subr.c:1440 > > > > > can you go to this frame > "up 7" > and print dev and i and *dev (kgdb) up 7 #7 0xc0237d5d in usb_disconnect_port (up=0xc18971c4, parent=0xc1897280) at /usr/src/sys/dev/usb/usb_subr.c:1440 1440 config_detach(dev->subdevs[i], DETACH_FORCE); (kgdb) print dev $1 = 0x0 (kgdb) print i $2 = 0 (kgdb) print *dev Cannot access memory at address 0x0. (kgdb) Helge