Program received signal SIGSEGV, Segmentation fault.
0x4002be6e in clear_datainfo (pdinfo=0x80b4fd0, resample=0)
    at ./src/dataio.c:44
44                 free(pdinfo->S[i]); 
(gdb) bt
#0  0x4002be6e in clear_datainfo (pdinfo=0x80b4fd0, resample=0)
    at ./src/dataio.c:44
#1  0x80594b9 in clear_data () at lib.c:209
#2  0x80788ac in do_open_session (w=0x0, data=0x0) at session.c:293
#3  0x80525a5 in verify_open_session (userdata=0x0) at gui_utils.c:474
#4  0x805261d in set_session_from_filelist (data=0x0, i=0, widget=0x80f6178)
    at gui_utils.c:492

