OK, lets try this. If you don't have strace installed, you can do the following:
sudo apt-get install strace Then run: sudo strace -Ff -tt nmap --send-ip -PE -sP -n 128.0.0.0/24 2>&1 | tee strace-nmap.log If that works, post the log, please. Sorry this has become such a chore! Thank you for your continued effort to make Ubuntu better! -- nmap v4.76 crashing when used with send-ip option https://bugs.launchpad.net/bugs/381061 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs