Target2 fails to write Target1 by following steps: Target1: sra -attr port1 win_attr 1 nwrite nread sra -op port1 1 0 0 s 0x100000 sra> sra -op port1 1 0 0 p 0x100000 port1 map space 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 port1 read data space 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 port1 write preparing space 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 port1 reserved 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 port2 map space 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 port2 read data space 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 port2 write preparing space 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 port2 reserved 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 sra> sra -op port1 1 0 0 p 0x100000 port1 map space 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 port1 read data space 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 port1 write preparing space 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 port1 reserved 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 port2 map space 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 port2 read data space 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 port2 write preparing space 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 port2 reserved 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 Target2: sra -attr port1 win_attr 1 nwrite nread sra -op port1 1 0 0 s 0x100000 sra -op port1 1 0 0 w 0x100000