panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff83410b18) at panic+0x1d0 sys/kern/subr_prf.c:229
ufs_rename(ffff80003901bb88) at ufs_rename+0x175f sys/ufs/ufs/ufs_vnops.c:883
VOP_RENAME(fffffd807e35cb40,fffffd805e1ad3b0,ffff80003901bd58,fffffd807e35cb40,fffffd805e1ad128,ffff80003901bca8) at VOP_RENAME+0x137 sys/kern/vfs_vops.c:376
dorenameat(ffff80002a35da28,ffffff9c,2000000006c0,ffffff9c,200000000580) at dorenameat+0x3f7 sys/kern/vfs_syscalls.c:3034
syscall(ffff80003901bef0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003901bef0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf2489295a60, count: 251
End of stack trace.