Arria 10 Hard IP for PCI Express IP Core Gen2 and Gen3 Directed Speed Change Error

Description

An intermittent Surprise Link Down or failure to speed change may occur in applications using a software directed speed change. These errors typically occur in less than 1% of the directed speed changes. If your application does not use a directed speed change, there is no impact.

Resolution

There is no workaround other than avoiding the directed speed change.