I'd love to be able to be able to attach the full apport crash report, but apport is sulking (bug 1023964); so here is a bt full from gdb: dg@major:~$ gdb `which xpilot-ng` GNU gdb (Linaro GDB) 7.4-2012.06-ubuntu Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/games/xpilot-ng...Reading symbols from /usr/lib/debug/usr/games/xpilot-ng-x11...done. done. (gdb) r Starting program: /usr/games/xpilot-ng [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Copyright � 1991-2005 by Bj�rn Stabell, Ken Ronny Schouten, Bert Gijsbers, Dick Balaska, Uoti Urpala, Juha Lindstr�m, Kristian S�derblom and Erik Andersson. XPilot NG 4.7.3 comes with ABSOLUTELY NO WARRANTY; for details see the provided COPYING file. ============================================================ VERSION = 4.7.3 PACKAGE = xpilot-ng Conf_localguru() =