After upgrading my design to the latest version of the tools, I see the following types of warning messages associated with some of the IPs in my design.
WARNING: [IP_Flow 19-2162] IP 'my_fifo' is locked. Locked reason: IP definition 'FIFO Generator' for IP ''my_fifo' (customized with software release 2013.2) has a newer major version in the IP Catalog. No useable simulation outputs (source HDL and data files) are available for this IP, so simulation cannot be run. Either upgrade the IP or generate the simulation outputs for this IP using the Vivado software it was customized with, then import into this project. Please select 'Report IP Status' from the 'Tools/Report' menu for instructions to unlock.
What does this mean and can it be avoided?
This occurs when an IP has been rev'ed in the current software release. For the message above, 'my_fifo' was created in 2013.2 and now in 2013.3 there is a newer version of the FIFO Generator and as such, it is not possible to regenerate this core in 2013.3.
To avoid this message:
The term 'locked" in the message refers to the fact that it is not possible to: