ken@ken-pi3:~$ gdb --eval-command="set follow-fork-mode child" --args indiserver -v indi_tcfs_focus GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1 Copyright (C) 2016 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 "arm-linux-gnueabihf". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from indiserver...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/indiserver -v indi_tcfs_focus Program received signal SIGSEGV, Segmentation fault. 0x76fd9dde in ?? () from /lib/ld-linux-armhf.so.3 (gdb) bt #0 0x76fd9dde in ?? () from /lib/ld-linux-armhf.so.3 #1 0x76fd9df6 in ?? () from /lib/ld-linux-armhf.so.3 Backtrace stopped: previous frame identical to this frame (corrupt stack?) (gdb)