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SubjectRe: [Linux-usb-users] Re: Problems accessing USB Mass Storage


Rogier Wolff wrote:
> On Tue, Sep 17, 2002 at 10:13:13PM +0100, Mark C wrote:

> When dd is told to skip a certain number of input blocks it doesn't
> seek past them, but reads them and then discards them. Thus if you're
> not supposed to read sectors 1-100 then this will not work.

Fair enough. I, and the others though it did a seek.


> Try the following program:
<snip>
> with the command:
>
> dd if=/dev/sda of=firstpart
>
> (Get the partition table)
>
> (seek 0x100000;dd of=secondpart) < /dev/sda
>
> Get everything beyond 1Mb. If this works, then we have to figure out
> how low we can make the "0x100000" number to get all of the data.
>
> Hypothesis: The partition table specifies that the data starts
> on sector 200, and they didn't implement sectors 1-199.....

Where did the sector 200 come from?
Something in the dmesg output from before?
(I don't really grok SCSI or USB at that level :( )

> Cheap basterds.

Agree:)

-Thomas

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