Due to a problem in the Intel® Quartus® Prime Pro edition software version 21.2, the F-Tile Ethernet Intel® FPGA Hard IP Design Example will fail to pass the Quartus “Support Logic Generation” phase with “Error (21842): Solver failed to find a solution”.
This error is encountered when using either the 200GE-8 with PTP or the 100GE-4 with PTP variants with FGT PMA and no location constraints applied.
To work around this problem for the 200GE-8 with PTP variant, make pin assignments via .qsf settings which select FGT Quads 2 and 3. For the 100GE-4 with PTP variant, make pin assignments via .qsf settings which selects FGT Quad 0.
This problem is scheduled to be fixed in a future release of the Intel® Quartus® Prime Pro edition software.