On 06/14/14 20:11, Matthias Apitz wrote:
El día Saturday, June 14, 2014 a las 08:39:42AM +0200, Hans Petter Selasky 

I can not get any use full traffic dump from them. Someone could point
me to a working tool for Win7. I know, our list deals with FreeBSD
software, but it is some kind of re-engineering why Win7 works with a
device and FreeBSD does not :-)

You might be able to remove "ulpt" driver from the kernel config and
also "mv -i /boot/kernel/ulpt.ko /boot/kernel/ulpt.ko.old" and run Win7
from Virtualbox or a VM and see what happens. Then you can sniff the USB
traffic in the VM USB host.

This is for administrative reasons not an option in my office and at
home I do not have Win*.


Ok, lets try to figure out the:

in sys/dev/usb/serial/ulpt.c try to comment out:

#if 0
        if (sc->sc_fflags == 0)

In function:

static void
ulpt_watchdog(void *arg)
        struct ulpt_softc *sc = arg;

        mtx_assert(&sc->sc_mtx, MA_OWNED);

         * Only read status while the device is not opened, due to
         * possible hardware or firmware bug in some printers.
        if (sc->sc_fflags == 0)

            hz, &ulpt_watchdog, sc);

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