Why do I get corrupted packets at XGMII receive data path using 10GBASE-R PHY IP in Stratix® IV GT device?

Description

You may get corrupted packets at XGMII receive data path using 10GBASE-R PHY IP in Stratix® IV GT device, due to a timing issue in the Quartus® II software version 10.0 and 10.0SP1. 

 

Resolution

If you are using 10GBASE-R in Stratix IV GT device, we recommend that you install the Quartus II software version 10.0SP1, download and apply the following patch, and recompile your design to resolve this issue:

•       Version 10.0sp1 patch 1.166 for Windows (.exe) 
•       Version 10.0sp1 patch 1.166 for Linux (.tar)
•       Readme for the Quartus II software version 10.0sp1 patch 1.166 (.txt)