Date: Sat, 12 Nov 2005 06:11:11 +1100 From: Peter Jeremy <PeterJeremy@optushome.com.au> To: Alex Pivovarov <apivovarov@gmail.com> Cc: freebsd-usb@freebsd.org Subject: Re: #cat /dev/ulpt0 - causes fatal trap 12 Message-ID: <20051111191111.GZ39882@cirb503493.alcatel.com.au> In-Reply-To: <426b510c0511110659i30b228bco62defd892395ff99@mail.gmail.com> References: <426b510c0511110659i30b228bco62defd892395ff99@mail.gmail.com>
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On Fri, 2005-Nov-11 17:59:44 +0300, Alex Pivovarov wrote: >running >#cat /dev/ulpt0 >causes fatal trap 12 and system begins dumping. > >printer HP LaserJet 1010 USB > >#uname -a >FreeBSD st1.fqdn 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Thu Nov 10 >16:04:32 MSK 2005 root@:/usr/obj/usr/src/sys/st1 i386 You've sent exactly the same information to three mailing lists (that I've seen) as well as submitted a PR. Unfortunately, you haven't provided any useful information. Please have a read of http://www.freebsd.org/doc/en_US.ISO8859-1/articles/problem-reports/article.html In order to begin investigating this problem, we need to know: - the exact trap message (including the register contents) - the kernel backtrace - Details of your USB hardware (all the USB-related kernel probe messages) Since you state that the system begins dumping, you presumably have a crashdump and can easily extract the first two items above (see: http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-gdb.html The last item will be in /var/log/messages. -- Peter Jeremy
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