Re: Assessing USB Mass Storage devices

Mark C wrote:
> On Mon, 2002-09-16 at 16:12, Thomas Dodd wrote:
> 
> 
>>Save all the pictures first.
>>Back up the device with 'dd if=/dev/sda of=camara.img'
>>You can always look through the image with and editor.
>>Or write it back to the camera (swap if/of in dd command)
>>To restore the previous state.
> 
> 
> dd only gives the error:
> 
> [root@stimpy dev]# dd if=/dev/sda of=/dev/null bs=1k count=1
> dd: reading `/dev/sda': Input/output error
> 0+0 records in
> 0+0 records out
>
>>In linux, run fdisk /dev/sda.
>>create a partition sda1 and try the above on it.
> 
> 
> Fails to read it.

Those 2 suggest it's not acting as a USB mass storage device.
Check the USB list <[email protected]> or the 
kernel-list <[email protected]> for more.

It might be a bug in the USB layer, but it probably a device bug.

	-Thomas