 panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff8344f8b6) at panic+0x1d0 sys/kern/subr_prf.c:229
ufs_rename(ffff800034fde7e8) at ufs_rename+0x175f sys/ufs/ufs/ufs_vnops.c:883
VOP_RENAME(fffffd805d9c8548,fffffd805d9c8110,ffff800034fde9b8,fffffd805d9c8548,fffffd805d9c8038,ffff800034fde908) at VOP_RENAME+0x137 sys/kern/vfs_vops.c:376
dorenameat(ffff80002a270018,ffffff9c,200000000080,ffffff9c,2000000000c0) at dorenameat+0x3f7 sys/kern/vfs_syscalls.c:3034
syscall(ffff800034fdeb50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800034fdeb50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2b22b823600, count: 251
End of stack trace.