I have the exact same problem, the problem is in having zsh as shell, while tilda expects bash. See Bug #367276, of which this is most likely a duplicate.
** Changed in: tilda (Ubuntu) Status: New => Confirmed -- tilda segfaults on first run https://bugs.launchpad.net/bugs/599284 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