From owner-freebsd-usb@FreeBSD.ORG Thu May 5 21:51:27 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 1112016A4CE for ; Thu, 5 May 2005 21:51:27 +0000 (GMT) Received: from mail.vicor-nb.com (bigwoop.vicor-nb.com [208.206.78.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id E4A0843D5F for ; Thu, 5 May 2005 21:51:26 +0000 (GMT) (envelope-from julian@elischer.org) Received: from [208.206.78.97] (julian.vicor-nb.com [208.206.78.97]) by mail.vicor-nb.com (Postfix) with ESMTP id 842177A403; Thu, 5 May 2005 14:51:26 -0700 (PDT) Message-ID: <427A955E.4070605@elischer.org> Date: Thu, 05 May 2005 14:51:26 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.7) Gecko/20050423 X-Accept-Language: en, hu MIME-Version: 1.0 To: Julian Elischer References: <200505050618.j456IleO001353@sep.oldach.net> <427A887F.3020108@elischer.org> <427A8EF3.70003@elischer.org> In-Reply-To: <427A8EF3.70003@elischer.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: usb@freebsd.org cc: Helge Oldach 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 21:51:27 -0000 Julian Elischer wrote: > > > Julian Elischer wrote: > > try: > > in usb_port.h > comment out line 425 (as below) > > 422 > 423 #define config_detach(dev, flag) \ > 424 do { \ > 425 /* device_detach(dev); */ \ > 426 free(device_get_ivars(dev), M_USB); \ > 427 device_delete_child(device_get_parent(dev), > dev); \ > 428 } while (0); > 429 > hmm maybe not the right answer.. maybe the answer is to comment out DEVMETHOD(bus_child_detached, uhub_child_detached), at line 134 of uhub.c DEVMETHOD(bus_child_detached, uhub_child_detached), It's kind of hard for me to...... (sudden thought appears) DUH you are running this in a hub aren't you? (I'm not) so, yes, remove that line and try again. >> >> >> >> Helge Oldach wrote: >> >>> Julian Elischer: >>> >>> >>>> any chance of getting a stack trace or a core dump? >>>> >>> >>> >>> >>> Ok, here we go: >>> >>> >>> >> >>> #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 >> >>> #8 0xc02423b4 in uhub_explore (dev=0xc1897380) at >>> /usr/src/sys/dev/usb/uhub.c:488 >>> #9 0xc02424f1 in uhub_explore (dev=0xc1813400) at >>> /usr/src/sys/dev/usb/uhub.c:571 >>> #10 0xc02340cf in usb_discover (v=0xc18110c0) at >>> /usr/src/sys/dev/usb/usb.c:745 >>> #11 0xc0233b92 in usb_event_thread (arg=0xc18110c0) at >>> /usr/src/sys/dev/usb/usb.c:431 >>> (kgdb) list *0xc016f772 >>> 0xc016f772 is in device_get_ivars (/usr/src/sys/kern/subr_bus.c:999). >>> 994 } >>> 995 996 void * >>> 997 device_get_ivars(device_t dev) >>> 998 { >>> 999 return dev->ivars; >>> 1000 } >>> 1001 1002 void >>> 1003 device_set_ivars(device_t dev, void * ivars) >>> (kgdb) quit >>> >>> >> _______________________________________________ >> freebsd-usb@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-usb >> To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org" > > > _______________________________________________ > freebsd-usb@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-usb > To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org"