Date: Mon, 28 Oct 2013 10:26:29 +0100 From: Hans Petter Selasky <hps@bitfrost.no> To: "freebsd-usb@FreeBSD.org" <freebsd-usb@FreeBSD.org> Subject: Re: ULPT error: ulpt_status_callback: error=USB_ERR_STALLED Message-ID: <526E2DC5.7020008@bitfrost.no>
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On 10/28/13 10:05, Aurélien Croc de Suray wrote: >> Hi, >> >> Is this some kind of cheap clone, hence Prolofic is spelled wrong? > > It seems the company name is spelled wrong since the vendor ID corresponds to > Prolific Technology Inc.: > > # usbconfig -u 2 -a 3 dump_device_desc > ugen2.3: <IEEE-1284 Controller Prlific Technology Inc.> at usbus2, cfg=0 > md=HOST spd=FULL (12Mbps) pwr=ON (100mA) > > bLength = 0x0012 > bDescriptorType = 0x0001 > bcdUSB = 0x0100 > bDeviceClass = 0x0000 > bDeviceSubClass = 0x0000 > bDeviceProtocol = 0x0000 > bMaxPacketSize0 = 0x0008 > idVendor = 0x067b > idProduct = 0x2305 > bcdDevice = 0x0200 > iManufacturer = 0x0001 <Prlific Technology Inc.> > iProduct = 0x0002 <IEEE-1284 Controller> > iSerialNumber = 0x0000 <no string> > bNumConfigurations = 0x0001 > > >> Else there are two printer port devices: >> /dev/ulptX and /dev/unlptX >> Did you try both? > > It is the same with /dev/unlptx.. > > >> Can you show a USB dump while opening these devices. > > You'll find three attached files representing the dump of the usb activity when > I plug in the device, when I open and try to read on ulpt0 and unlpt0. > Hi, You can try to edit the "sys/dev/usb/serial/ulpt.c" driver and remove the reading of the status message. I think your device might be counterfeit, given the bad spelling of the manufacturer. This string comes from the device itself. The one that is supplied with FreeBSD is spelled correctly: > grep -ri prolif /usr/src/sys/dev/usb/usbdevs vendor PROLIFIC 0x067b Prolific Technology vendor PROLIFIC2 0x5372 Prolific Technologies --HPS >> What host controller is this device connected through? > > The host controller is an Intel EHCI root hub: > # usbconfig -u 2 -a 1 dump_device_desc > ugen2.1: <EHCI root HUB Intel> at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps) > pwr=SAVE (0mA) > > bLength = 0x0012 > bDescriptorType = 0x0001 > bcdUSB = 0x0200 > bDeviceClass = 0x0009 > bDeviceSubClass = 0x0000 > bDeviceProtocol = 0x0001 > bMaxPacketSize0 = 0x0040 > idVendor = 0x0000 > idProduct = 0x0000 > bcdDevice = 0x0100 > iManufacturer = 0x0001 <Intel> > iProduct = 0x0002 <EHCI root HUB> > iSerialNumber = 0x0000 <no string> > bNumConfigurations = 0x0001 > > > Regards, > > Aurélien >
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