Date: Sun, 01 Jun 2014 20:09:19 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Matthias Apitz <guru@unixarea.de> Cc: freebsd-usb@freebsd.org Subject: Re: Fwd: USB to parallel for printer HP LaserJet 4mL Message-ID: <538B6C4F.9050205@selasky.org> In-Reply-To: <20140601175846.GA2104@La-Habana> References: <20140601130025.GA2255@La-Habana> <538B6693.5010108@selasky.org> <20140601175846.GA2104@La-Habana>
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On 06/01/14 19:58, Matthias Apitz wrote: > El día Sunday, June 01, 2014 a las 07:44:51PM +0200, Hans Petter Selasky escribió: > >> What does: >> >> usbdump -i usbusX -f Y -s 65536 -vvv >> >> Outpu when you run the cat? > > Attached the output of > > # usbdump -i usbus1 -f 2 -s 65536 -vvv > usbdump.txt > > while running in another xterm > > # date > /dev/unlpt0 > Hi, The trace shows that the device is not responding to a control request, which is the port status control request. This is a violation of USB.org ULPT standards. Are you sure your device is genuine, hence the wrong spelling of "Prolific" ? Try compiling the ulpt module with USB_DEBUG set: ee /sys/modules/usb/ulpt/Makefile ADD: CFLAGS+= -DUSB_DEBUG Rebuild and install the module. Set hw.usb.ulpt.debug=15 Look for errors. --HPS
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