Antti wrote:
> Bitstreams must not contain a sync word followed by all 1’s. This
> condition might
> cause damage to the device.
>
> Is this an feature or bug? should this go into ERRATA and be fixed
> ASAP??
>
> Antti

This has been confirmed to be an error in the document and will be
updated in the next revision.

It is possible to damage an FPGA with a badly corrupted bitstream, but
it takes more than a sync word followed by ones to do this.

Ed McGettigan
--
Xilinx Inc.