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Date:      Sun, 6 Apr 2003 11:59:02 -0500
From:      Mike Meyer <mwm-dated-1050080343.49c58b@mired.org>
To:        Marc Wiz <marc@wiz.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: USB Printer
Message-ID:  <16016.23766.995945.259510@guru.mired.org>
In-Reply-To: <20030406161652.GA4518@freshaire.wiz.com>
References:  <20030406161652.GA4518@freshaire.wiz.com>

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In <20030406161652.GA4518@freshaire.wiz.com>, Marc Wiz <marc@wiz.com> typed:
> Now here comes the interesting part since I figured it would be a
> good idea to start debugging this with a simple setup (no printer
> spooler, etc.)  I have tried to do echo "hello there" > /dev/ulpt0
> and nothing happens.
> It takes about 30 seconds before the command ends.

This was interpreted as meaning that this was a winprinter. However...

> If I try the echo using Linux the printer works just fine.  I.e. a page is
> printed with "hello there".

That's not good. That sounds like it isn't a winprinter, but the
driver is just not working.

> The code is compiled into the kernel (not a module)
> 
> Any suggestions as to how to proceed?  Are there any driver debug options
> that can be enabled either for USB or the printer code?

You can enable USB_DEBUG at kernel build time, then use "gdb -k" to
set ulptdebug in ulpt.c to positive values - increasing values get you
increasing levels of debug information.

	<mike
-- 
Mike Meyer <mwm@mired.org>		http://www.mired.org/consulting.html
Independent Network/Unix/Perforce consultant, email for more information.



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