=== [0] guest ===
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
=== [1] fresh FAT32 image, mount uid=nobody mask=0777 ===
536870912 bytes transferred in 0.330004 secs (1626863311 bytes/sec)
/dev/vn0: 1046496 sectors in 130812 FAT32 clusters (4096 bytes/cluster)
BytesPerSec=512 SecPerClust=8 ResSectors=32 FATs=2 Media=0xf0 SecPerTrack=32 Heads=64 HiddenSecs=0 HugeSectors=1048576 FATsecs=1022 RootCluster=2 FSInfo=1 Backup=2
=== [2] baseline: sequential create + dir-rename (no race) ===
bouncer: 124714 dir-rename attempts, 124714 ok, 0 errors
bouncer rc=0
creator: 14978 created, 0 vanished, 14778 rotated, 14978 readdirs
creator rc=0
sweep: 200 manifest names checked via readdir, 0 missing
sweep rc=0 (0=clean)
=== [3] fresh parents for the race ===
=== [4] RACE (Window A): bouncer + 2 creators as nobody, 60s ===
--- creator1 (p1) ---
creator: 136679 created, 0 vanished, 136479 rotated, 136679 readdirs
--- creator2 (p2) ---
creator: 135608 created, 0 vanished, 135408 rotated, 135608 readdirs
--- bouncer ---
bouncer: 241980 dir-rename attempts, 241980 ok, 0 errors
creator1 rc=0 creator2 rc=0 bouncer rc=0 (42 = stolen dirent)
=== [5] post-race sweeps (readdir vs manifest) ===
sweep: 200 manifest names checked via readdir, 0 missing
sweep: 200 manifest names checked via readdir, 0 missing
sweeps rc=0/0 (43 = corrupt entries found)
=== [6] unmount + fsck ===
/dev/vn0: 406 files, 509 MiB free (130404 clusters)
fsck rc=0
=== [7] verdict ===
NOT-REPRODUCED in 60s
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)