copying /dev/da0 with dd(1) to file: output differs

[Warren Block]

On Sat, 20 Nov 2010, Matthias Apitz wrote:
> of 2385059 lines, i.e. of 2385059 bytes which differ in the 3.8 GByte
> copy; there are only a few patterns of diffs which are repeating:
>
> $ sed 's/  */ /g' diff | cut -d' ' -f2,3 | sort -u
> 0 10
> 0 104
> 0 110
> 0 200
> 0 204
> 0 214
> 0 220
> 0 234
> 0 260
> 0 4
> 10 0
> 100 0
> 110 0
> 134 0
> 134 14
> 134 34
> 134 4
> 14 0
> 200 260
> 204 234
> 204 4
> 214 234
> 220 260
> 304 204
> 34 0
> 4 0
> 4 104
> 4 234
> 44 0
> 44 4
>
> (the numbers are in octal).
>
> What does this mean? Does not look like errors, in case of random error
> it whould be more caotic, or?

Could you try another USB key to determine whether the error is with the 
key or the host?