=== [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 0.387681 secs (1384827116 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
/dev/vn0 on /fatrace (msdos, local)
=== [2] baseline: sequential create/rename sanity (no race) ===
creator: 6205 files created, 0 vanished, 0 bad-size
creator rc=0
renamer: 3326 rename attempts, 3326 ok, 0 errors
renamer rc=0
sweep: 6208 dirents, 6205 X-files checked, 0 corrupt, 1 AAA/BBB entries (expect <=1 at rest)
sweep rc=0 (0 = clean)
=== [3] fresh dir for the race ===
=== [4] RACE: renamer + creator as nobody for 25s ===
--- creator log ---
creator: 13055 files created, 0 vanished, 0 bad-size
--- renamer log ---
renamer: 24914 rename attempts, 24914 ok, 0 errors
creator rc=0 renamer rc=0  (42 = vanished dirent detected)
=== [5] post-race sweep ===
sweep: 13058 dirents, 13055 X-files checked, 0 corrupt, 1 AAA/BBB entries (expect <=1 at rest)
sweep rc=0 (43 = corrupt entries found)
=== [6] unmount + fsck ===
/dev/vn0: 13058 files, 460 MiB free (117653 clusters)
fsck rc=0 (0 = clean)
=== [7] verdict ===
NOT-REPRODUCED in 25s (race timing; retry with longer SECS)
HAMMER2: INITIATE SPANs
swap low/high-water marks set to 41940/62910
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)