> This is on NetBSD 3 from the 8th or so. I've got both new cores (from > NetBSD 3) and old cores (from 1.6.2), and I get the same thing: > > lilith: {3} gdb > /usr/pkgsrc/lang/clisp/work/clisp-2.33.2/src/avcall/minitests.core You need the program file name. gdb <prog-file> <core-file>