##### DF-3206: cd9660 DOTDOT race (live run, 90 s)
mount_cd9660 -o ro /dev/vn2 /mnt/df3206
ls: DIR (plus root entries)
racer: root ino 65536, DIR ino 69632; racing 90s
thread A: lstat(/mnt/df3206/DIR/..) loop, verifies st_ino == root_ino && S_ISDIR
threads B/C: lstat(DIR/E*) + unique nonexistent names (churn + scan)
done: a_iters=32228978 a_hits=0 b_iters=6991756
racer exit=1  (no misresolution in 32.2 million iterations)