Date: Mon, 11 Jun 2012 17:00:29 GMT From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@FreeBSD.org Subject: usb/168743: panic: double fault caused by umass Message-ID: <201206111700.q5BH0Te8090405@freefall.freebsd.org>
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The following reply was made to PR usb/168743; it has been noted by GNATS. From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd@nagilum.org Cc: freebsd-usb@freebsd.org, freebsd-gnats-submit@freebsd.org Subject: usb/168743: panic: double fault caused by umass Date: Mon, 11 Jun 2012 18:57:12 +0200 Hi, This sounds like a missing MODULE_DEPEND() issue or your pendrive is returning an error code to some of the SCSI commands which is not handled properly. Could you add these options to the kernel config file: options KDB # Kernel debugger related code options KDB_TRACE # Print a stack trace for a panic Then get full backtrace. Is this issue reproducable. I cannot reproduce over here using a 9-stable GENERIC kernel without "device umass". --HPS
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