duh. My gnome-terminal is 2.17.91-0ubuntu1,
yours is 2.17.92-0ubuntu1.
Let me update mine, and check.
** Changed in: gnome-terminal (Ubuntu)
Status: Unconfirmed => Needs Info
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[feisty] launching gnome-terminal w/geometry argument segfaults
https://launchpad.net/bugs/88489