Sorry about that, my last comment output didn't display in a easily visible
format
Core was generated by `pmatop'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x000055849d1a82fd in photosyst (si=<optimized out>) at photosyst.c:493
(gdb) bt
#0 0x000055849d1a82fd in photosyst (si=<optimized out>) at photosyst.c:493
#1 0x000055849d19c950 in engine () at atop.c:576
#2 0x000055849d19c133 in main (argc=1, argv=<optimized out>) at atop.c:465
#src/pcp/atop/photosyst.c
..
=> 493 for (i=0; i < nrdisk; i++)
494 {
495 if (pmDebugOptions.appl0)
496 fprintf(stderr, "%s: updating disk %d: %s\n",
497 pmProgname, ids[i], insts[i]);
498 update_disk(&si->dsk.dsk[i], ids[i], insts[i], result,
descs);
499 }
500 si->dsk.dsk[nrdisk].name[0] = '\0';
501 si->dsk.ndsk = nrdisk;
502 free(insts);
503 free(ids);
504
505 /* Device mapper and logical volume (DM/LVM) devices */
506 insts = NULL; /* silence coverity */
507 ids = NULL;
508 nrlvm = get_instances("lvm", PERDM_NREAD, descs, &ids, &insts);
...
