Critical Issue
Description
This problem affects DDR2, DDR3, LPDDR2, QDR II, RLDRAM II and RLDRAM 3 products.
For any UniPHY-based external memory interface IP generated in the Quartus II software version 13.1, group mask settings are not applied during recalibration.
Resolution
There is no workaround for this issue.
This issue will be fixed in a future version.