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From: Hans Petter Selasky <hselasky@c2i.net>
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Date: Sat, 25 Feb 2012 17:30:13 +0100
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Cc: Nathan Whitehorn <nwhitehorn@freebsd.org>
Subject: Re: Device detected as umass, but not attaching via CAM
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On Saturday 25 February 2012 15:02:23 Nathan Whitehorn wrote:
> I'm a bit at a loss to debug this, so any help would be appreciated. My
> camera used to connect to FreeBSD -CURRENT until summer or so, but now
> doesn't get detected as a CAM device (I've also seen this with a Sony
> memory stick). When I attach it, I get:
> 
> ugen6.2: <NIKON> at usbus6
> umass0: <NIKON NIKON DSC D50, class 0/0, rev 2.00/1.00, addr 2> on usbus6
> 
> but no daX line.
> 
> Here's some more info from usbconfig, though probably of dubious utility.
> 
> # usbconfig -u 6 -a 2 dump_device_desc
> ugen6.2: <NIKON DSC D50 NIKON> at usbus6, cfg=0 md=HOST spd=HIGH
> (480Mbps) pwr=ON
> 
>    bLength = 0x0012
>    bDescriptorType = 0x0001
>    bcdUSB = 0x0200
>    bDeviceClass = 0x0000
>    bDeviceSubClass = 0x0000
>    bDeviceProtocol = 0x0000
>    bMaxPacketSize0 = 0x0040
>    idVendor = 0x04b0
>    idProduct = 0x0409
>    bcdDevice = 0x0100
>    iManufacturer = 0x0001  <NIKON>
>    iProduct = 0x0002  <NIKON DSC D50>
>    iSerialNumber = 0x0000  <no string>
>    bNumConfigurations = 0x0001
> 
> Any ideas where to look further or things to try? My kernel is FreeBSD
> 10.0-CURRENT #17 r231915 on amd64.

Try to look at quirks for this device.

Also output from umass debugging would be helpful. Probably a CAM/SCSI issue.

sysctl hw.usb.umass.debug=-1

--HPS