Date: Mon, 16 Jun 2014 17:30:32 +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: <539F0D98.6040703@selasky.org> In-Reply-To: <20140616151022.GA1657@La-Habana> References: <20140616054141.GA1358@La-Habana> <539E87EF.9080404@selasky.org> <20140616065050.GA1552@La-Habana> <539E94C5.50405@selasky.org> <20140616083302.GA1790@La-Habana> <539EB3D7.7040802@selasky.org> <20140616091858.GA1945@La-Habana> <539EBB4B.2070401@selasky.org> <20140616100709.GA2201@La-Habana> <539EC2A1.6040803@selasky.org> <20140616151022.GA1657@La-Habana>
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On 06/16/14 17:10, Matthias Apitz wrote: > El día Monday, June 16, 2014 a las 12:10:41PM +0200, Hans Petter Selasky escribió: > >> What happens if you revert that patch, and do a read first, instead of a >> write? > > I have revert both patches, i.e. the code is now as it was, but has some > DPRINTF statements at the beginning of the fuctions; here is what > happens on plug-in, read and write to the device: > > plug-in USB cable: > Test1) Can you try to connect an external High-Speed HUB in between? Test2) Instead of ulpt.debug, set hw.usb.uhub.debug=15 and collect logs, when executing your "echo XXX > /dev/ulpt". --HPS
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