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: