Date: Tue, 13 May 2008 07:42:30 +0200 From: Roland Smith <rsmith@xs4all.nl> To: Steve Franks <stevefranks@ieee.org> Cc: freebsd-stable@freebsd.org, freebsd-usb@freebsd.org Subject: Re: umass causes panic on 7 amd64 Message-ID: <20080513054230.GA47218@slackbox.xs4all.nl> In-Reply-To: <539c60b90805121619g3d7afe70yd7e733fea012ae9d@mail.gmail.com> References: <539c60b90804111420kcb73e6do8a20dce574d13864@mail.gmail.com> <20080412213225.GB24224@slackbox.xs4all.nl> <539c60b90804141549u6a138ad9u9c77bbfcbbad0ff3@mail.gmail.com> <20080415175347.GA29045@slackbox.xs4all.nl> <539c60b90804291032v4a7e80d0w205354d4bf1be842@mail.gmail.com> <20080429214640.GA85715@slackbox.xs4all.nl> <539c60b90805121338n439c1a62sab5be6f6ea9485ff@mail.gmail.com> <20080512225049.GA35802@slackbox.xs4all.nl> <539c60b90805121619g3d7afe70yd7e733fea012ae9d@mail.gmail.com>
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On Mon, May 12, 2008 at 04:19:27PM -0700, Steve Franks wrote:
> On Mon, May 12, 2008 at 3:50 PM, Roland Smith <rsmith@xs4all.nl> wrote:
> > On Mon, May 12, 2008 at 01:38:51PM -0700, Steve Franks wrote:
> > > I have added options USB DEBUG to my kernconf file ("DYSTANT"). Here
> > > is the backtrace:
> > >
> > > Steve
> > >
> > > [steve@dystant /usr/obj/usr/src/sys/DYSTANT]$ sudo kgdb kernel.debug
> > > /var/crash/vmcore.6
> > > [GDB will not be able to debug user-mode threads:
> > > /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
> > > GNU gdb 6.1.1 [FreeBSD]
> > > Copyright 2004 Free Software Foundation, Inc.
> > > GDB is free software, covered by the GNU General Public License, and you are
> > > welcome to change it and/or distribute copies of it under certain conditions.
> > > Type "show copying" to see the conditions.
> > > There is absolutely no warranty for GDB. Type "show warranty" for details.
> > > This GDB was configured as "amd64-marcel-freebsd".
> > >
> > > Unread portion of the kernel message buffer:
> > > umass0: <OLYMPUS C-700 Ultra Zoom, class 0/0, rev 1.10/1.00, addr 3> on uhub2
> > > umass0: SCSI over (unknown 0x00); quirks = 0x0100
> > > panic: /usr/src/sys/dev/usb/umass.c:1453: Unknown proto 0x100
> >
> > It looks like the camera is not returning a wire protocol.
> > You definitely need to take this to the -usb list.
>
> Still shouldn't cause a panic, should it?
Yes it should. It calls the 'panic' function.
Roland
--
R.F.Smith http://www.xs4all.nl/~rsmith/
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