Date: Sun, 3 Jul 2011 19:33:52 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: Re: How to debug a misbehaving usb device (DYMO LabelManager PC)? Message-ID: <201107031933.52431.hselasky@c2i.net> In-Reply-To: <20110703183320.b5b2aecb.torfinn.ingolfsen@broadpark.no> References: <20110703183320.b5b2aecb.torfinn.ingolfsen@broadpark.no>
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On Sunday 03 July 2011 18:33:20 Torfinn Ingolfsen wrote: > Hello, > > So, I have this misbehaving usb device, a label printer which I use to > label things in my house (which poweradapter belongs to which device, and > so on). > It is a DYMO LabelManager PC[1], which is an old device. Not to be confused > with the LabelManager PC II. Based on information found on the web, this > device isn't following the usb specification 100%. And no driver exists > for FreeBSD. I do not plan on changing that. > What I try to do, is to "pass" the usb device from a FreeBSD host, to a > virtual machine running windows (in VirtualBox). > So far, I have managed to get the win vm to regocnize the label printer, > adn install drivers for it. But - it will not print, claiming there is > some error with the usb port. And that might be true. > > On the host side, I am using the latest FreeBSD 8.2-stable: > root@kg-v7# uname -a > FreeBSD kg-v7.kg4.no 8.2-STABLE FreeBSD 8.2-STABLE #6: Sat Jul 2 18:39:45 > CEST 2011 root@kg-v7.kg4.no:/usr/obj/usr/src/sys/GENERIC amd64 And in > /var/log/messages, I see this when the device is attached: > Jul 3 18:09:59 kg-v7 kernel: usb_alloc_device: Failure selecting > configuration index 0:USB_ERR_STALLED, port 4, addr 3 (ignored) Jul 3 > 18:09:59 kg-v7 kernel: ugen0.3: <vendor 0x0922> at usbus0 > > And usbconfig info: > root@kg-v7# usbconfig -u 0 -a 3 > ugen0.3: <product 0x0011 vendor 0x0922> at usbus0, cfg=255 md=HOST spd=LOW > (1.5Mbps) pwr=ON root@kg-v7# usbconfig -u 0 -a 3 dump_device_desc > ugen0.3: <product 0x0011 vendor 0x0922> at usbus0, cfg=255 md=HOST spd=LOW > (1.5Mbps) pwr=ON > > bLength = 0x0003 > bDescriptorType = 0x0001 > bcdUSB = 0x0209 > bDeviceClass = 0x0021 > bDeviceSubClass = 0x0000 > bDeviceProtocol = 0x0001 > bMaxPacketSize0 = 0x0001 > idVendor = 0xc000 > idProduct = 0x0901 > bcdDevice = 0x0004 > iManufacturer = 0x0000 <no string> > iProduct = 0x0002 <retrieving string failed> > iSerialNumber = 0x0003 <retrieving string failed> > bNumConfigurations = 0x0001 > > What is the best way to debuug this device? > I am hoping to get it to a state where it can be forwarded to the virtual > machine, and work there. > > More details on the FreeBSD page for my label printer[2] > > References: > 1) http://global.dymo.com/ieIE/Products/LabelManager_PC.html > 2) http://sites.google.com/site/tingox/lm_pc_freebsd You could try running usbdump on the bus the device is connected to and see what happens. --HPS
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