Seems more likely that it's an acpi-support issue since that's what would do the unconditional shutdown
** Changed in: gnome-power-manager (Ubuntu) Sourcepackagename: gnome-power-manager => acpi-support -- System shuts down when pressing esc, when the logout dialog is shown https://launchpad.net/bugs/46319 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs