When crossprobing a path from the TEMAC to logic, the selected path is not rendered properly. The starting point icon is not displayed, the Nets appear unselected (turquoise instead of red), and the path is incomplete. After the initial crossprobe, subsequent crossprobes on the same datapath are not displayed at all.
This is a known issue.
This problem has been fixed in the latest 9.1i Service Pack available at:
The first service pack containing the fix is 9.1i Service Pack 3.