error reading SATA DVDRW

[Wojciech Puchar]

>
> At the loader prompt I also entered
> set hw.ata.atapi_dma=0
>
> I get this error at the Install GUI when it is reading each package from the 
> disc
> Seek failed: Invalid argument
>
> Then about half way through the install I get a message
> An error occurred while extracting the system image
>
> The system then reboots.

check your disc maybe it does have read errors