gdb /usr/local/libexec/dovecot/dovecot-auth /somewhere/dovecot-auth.core
Ha. Sorry, I'm not usually this dumb.
This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols found)... Core was generated by `dovecot-auth'. Program terminated with signal 6, Aborted. Reading symbols from /lib/libcrypt.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libcrypt.so.2 Reading symbols from /usr/lib/libpam.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpam.so.2 Reading symbols from /usr/local/lib/libldap-2.2.so.7...(no debugging symbols found)...done. Loaded symbols for /usr/local/lib/libldap-2.2.so.7 Reading symbols from /lib/libc.so.5...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.5 Reading symbols from /usr/local/lib/liblber-2.2.so.7...(no debugging symbols found)...done. Loaded symbols for /usr/local/lib/liblber-2.2.so.7 Reading symbols from /lib/libcrypto.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/libcrypto.so.3 Reading symbols from /usr/lib/libssl.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libssl.so.3 Reading symbols from /usr/local/lib/nss_ldap.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/local/lib/nss_ldap.so.1 Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. Loaded symbols for /libexec/ld-elf.so.1 #0 0x181317af in kill () from /lib/libc.so.5 (gdb) bt full #0 0x181317af in kill () from /lib/libc.so.5 No symbol table info available. #1 0x18126856 in raise () from /lib/libc.so.5 No symbol table info available. #2 0x1819a0df in abort () from /lib/libc.so.5 No symbol table info available. #3 0x0805e684 in i_set_failure_file () No symbol table info available. #4 0x0805e277 in i_panic () No symbol table info available. #5 0x0804f528 in auth_cache_insert () No symbol table info available. #6 0x0804f60b in auth_cache_insert () No symbol table info available. #7 0x08051fe1 in auth_request_handler_check_timeouts () No symbol table info available. #8 0x08052743 in auth_request_handler_flush_failures () No symbol table info available. #9 0x0805277b in auth_request_handler_flush_failures () No symbol table info available. #10 0x08060af1 in io_loop_handle_timeouts () No symbol table info available. #11 0x08061003 in io_loop_handler_run () No symbol table info available. #12 0x08060b39 in io_loop_run () No symbol table info available. #13 0x08054e67 in main () No symbol table info available. (gdb)