Thanks to isecore. I had hosts: files mdns4_minimal [NOTFOUND=return] wins dns mdns4 in /etc/nsswitch.conf - switching it to hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4 wins solved the seg fault problem.
Thanks to isecore. I had hosts: files mdns4_minimal [NOTFOUND=return] wins dns mdns4 in /etc/nsswitch.conf - switching it to hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4 wins solved the seg fault problem.