AR# 4211: A1.4/F1.4 MAP - FATAL_ERROR:x4kma:x4kmagrclapse.c:1001:1.90.12.8 - No route-thru available in pack_lutflop() to swap with H input pin 8
AR# 4211
A1.4/F1.4 MAP - FATAL_ERROR:x4kma:x4kmagrclapse.c:1001:1.90.12.8 - No route-thru available in pack_lutflop() to swap with H input pin 8
Description
Keyword: MAP, route-thru, pack__lutflop()
Urgency: Standard
General Description:
During MAP this error may occur: FATAL_ERROR:x4kma:x4kmagrclapse.c:1001:1.90.12.8 - No route-thru available in pack_lutflop() to swap with H input pin 8: u_RXIF_EMUL/U_ANTS/U_PATGEN/PATTERN_reg/$1I13. Process will terminate. Please call Xilinx support.
Solution
Try removing the -k (Map to 5 input functions) switch from the map options.
This problem is fixed in M1.5. It is also fixed in the latest M1.4 Core Tools Update available on the Xilinx Download Area: