When running routed (from routed-0.10-10) on i386 RH5.2, with the "-t" flag, routed dumps core. "gdb `which routed` core" shows: GNU gdb 4.17.0.4 with Linux/x86 hardware watchpoint and FPU support Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux"... (no debugging symbols found)... Core was generated by `routed -t'. Program terminated with signal 11, Segmentation fault. Reading symbols from /lib/libc.so.6...done. Reading symbols from /lib/ld-linux.so.2...done. Reading symbols from /lib/libnss_files.so.1...done. #0 0x4003e4ad in _IO_vfprintf (s=0x0, format=0x804d75c "rtioctl %s %08x/%08x\n", ap=0xbfffd834) at vfprintf.c:881 vfprintf.c:881: No such file or directory. (gdb)
Use stderr if no trace file is specified with -t.