dgb로 디버깅할때 다음과 같은 에러가 발생합니다.

실행은 됩니다만 디버깅시에만 에러가 가는군요
님이 말씀해 주신대로 최적화 옵션 빼도 계속 디버깅시 에러가 나는군요
그런데 소스에서 라이브러리 특별히 불러쓰는거 없는거 같은데 디버깅 하면 같은 에러 메세지가 뜹니다.

/////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/poll.h>
#include <fcntl.h>
#include <time.h>
#include <unistd.h>

#include <stdint.h>
#include <sys/time.h>

#include <linux/dvb/frontend.h>
#include <linux/dvb/dmx.h>
#include "lnb.h"

<<<생략>>>
int main(int argc, char *argv[])
{
const char *home;
char chanfile[2 * PATH_MAX];
int list_channels = 0;
unsigned int chan_no = 0;
const char *chan_name = NULL;
unsigned int adapter = 0, frontend = 0, demux = 0, dvr = 0;
int opt, copt = 0;

lnb_type = *lnb_enum(0);
while ((opt = getopt(argc, argv, "hqrn:a:f:d:c:l:xi")) != -1) {
switch (opt)
{
case '?':
case 'h':
default:
bad_usage(argv[0], 0);
case 'q':
list_channels = 1;
break;
case 'r':
dvr = 1;
break;
case 'n':
chan_no = strtoul(optarg, NULL, 0);
break;
case 'a':
adapter = strtoul(optarg, NULL, 0);
break;
case 'f':
frontend = strtoul(optarg, NULL, 0);
break;
case 'd':
demux = strtoul(optarg, NULL, 0);
break;
case 'c':
copt = 1;
strncpy(chanfile, optarg, sizeof(chanfile));
break;
case 'l':
if (lnb_decode(optarg, &lnb_type) < 0) {
bad_usage(argv[0], 1);
return -1;
}
break;
case 'x':
exit_after_tuning = 1;
break;
case 'i':
interactive = 1;
exit_after_tuning = 1;
}
}
lnb_type.low_val *= 1000; /* convert to kiloherz */
lnb_type.high_val *= 1000; /* convert to kiloherz */
lnb_type.switch_val *= 1000; /* convert to kiloherz */
if (optind < argc)
chan_name = argv[optind];
if (chan_name && chan_no) {
bad_usage(argv[0], 0);
return -1;
}
if (list_channels && (chan_name || chan_no)) {
bad_usage(argv[0], 0);
return -1;
}
if (!list_channels && !chan_name && !chan_no && !interactive) {
bad_usage(argv[0], 0);
return -1;
}

if (!copt) {
if (!(home = getenv("HOME"))) {
fprintf(stderr, "error: $HOME not set\n");
return TRUE;
}
strncpy(chanfile, home, sizeof(chanfile));
strcat(chanfile, "/.szap/" CHANNEL_FILE);
}

printf("reading channels from file '%s'\n", chanfile);

if (!read_channels(chanfile, list_channels, chan_no, chan_name,
adapter, frontend, demux, dvr))
return TRUE;

return FALSE;
}