The camera is a Sony DSC-W1 with a 256MB Memory Stick. The USB port has
three settings: Pictbridge, PTF, and Normal. The default setting is
normal and, in fact, when connected to the computer, the camera's LCD
viewfinder shows "USB mode normal".
The computer has an add-on USB 2 card connected to a 4-port USB 2 hub. A
128MB flash, a SD card reader w/ a 256MBs SD card, and the camera are
plugged into the hub.
I just read ALL the sections in camera's manual about the USB port
(RTFM) and now have some things to check, which I'll do tonight--right
now friend wife has a LIST.
More later.
-mj-
Alan Dayley wrote:
> On Saturday 30 October 2004 12:04 am, Mark Jarvis wrote:
>
>>I have a digital camera with a USB connection. In XP, I access the
>>picture files in it exactly the same as I do files on my USB flash
>>drives. In Linux I can access the USB drives just fine, but when I try
>>to mount the camera, I get "device sdd1 is not a valid block device".
>>
>>In WBEL (White Box Enterprise Linux) the applicable fstab entries are:
>>
>>/dev/sdb1 /mnt/usbhd auto noauto,rw,umask=0,users 0 0
>>/dev/sdc1 /mnt/usb_sd auto noauto,rw,umask=0,users 0 0
>>/dev/sdd1 /mnt/usb_camera auto noauto,rw,umask=0,users 0 0
>>
>>They start with sdb1 because sda1 is a SCSI disk.
>>
>>I also booted into Mepis & Knoppix with similar results--both saw the
>>two flash drives but not the camera. A student at school had a similar
>>problem with his Memorex flash drive. No linux system would recognize
>>it--he always gets the same "not a valid block device" message, even
>>from systems that recognize other flash drives.
>>
>>Someone suggested re-formatting--whether from some knowledge or from
>>"what the h___, let's try SOMETHING", I don't know.
>>
>>Does anybody have any ideas a) why Linux doesn't see some USB devices
>>properly and b) what the heck to do about it? Is there some reason to
>>expect re-formatting to help?
>
>
> Mark,
>
> You need to tell more about your camera. Some digital cameras cannot be
> mounted as a USB drive. The windows drivers hide this fact but in Linux, it
> "knows." For example, we have a Canon A80. Most Canon cameras use a
> connection method called Picture Transport Protocol (PTP). The camera does
> not present itself as a storage device but it works fine under Linux with
> gphoto.
>
> gphoto is a camera connection program that other GUI applications use to
> manage digital cameras. gtkam is the first application I used to organize
> photos. It uses gphoto under the GUI to talk to the camera.
>
> In gtkam, out Canon camera works fine configured as "USB PTP Class Camera"
> I'd suggest you try to use an application that uses gphoto. gtkam may be the
> first, best choice. On the Fedora Core menus it is under the "Graphics" menu
> as "Digital Camera Tool"
>
> If that doesn't work, tell us more about your setup so we can help you
> research and solve.
>
> Alan
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