Date: Thu, 5 May 2005 23:26:44 +0200 (CEST) From: usbcrash@oldach.net (Helge Oldach) To: julian@elischer.org (Julian Elischer) Cc: usb@freebsd.org Subject: Re: recent USB MFCs cause panics 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"
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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
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