When a MPMC system contains a PLB PIM, accesses to memory return invalid data, including accesses over XCL.
How do I resolve this issue?
A patch from a corrected version is available from:
To use the patch, extract the ZIP file to the project pcore/ directory, restart XPS, and Clean Hardware.
This issue is fixed starting with MPMC v6.00.a, to be released in EDK 12.1.