[Fpga-synth] Very Odd Error Message from WebPACK ISE

[Dave Manley]

Scott Gravenhorst wrote:
> While working on this latest synth, I am getting this error:
> 
> ERROR:Portability:74: - ************************************************ Port_Compress::UnCompress() : (Z_DATA_ERROR) input data was corrupted.
> 
> Oddly enough, the design appears to work.
> 
> Xilinx has notes about this error message, but only for earlier versions of ISE (8.2).  I am using WebPACK ISE version 10.1.03(nt).
> 
> Any clues?  I have _no_ idea what Z_DATA is...

This doesn't really help, but years ago I used zlib and Z_DATA_ERROR is 
one of their standard errors: http://www.zlib.net/zlib_how.html

Is it possible your disk was full, or some other file related failure 
occurred?

-Dave