root@tvivrt01:/usr/src# dig mx fixertec.net
Bus error
root@tvivrt01:/usr/src# gdb dig
GNU gdb 6.6-debian
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This GDB was configured as "x86_64-linux-gnu"...
(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) run mx fixertec.net
Starting program: /usr/bin/dig mx fixertec.net
(no debugging symbols found)

Program received signal SIGBUS, Bus error.
0x00002ac48a4d3fa0 in ?? () from /lib64/ld-linux-x86-64.so.2
(gdb)