panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff83412720) at panic+0x1ba sys/kern/subr_prf.c:229
ufs_rename(ffff80003a50f028) at ufs_rename+0x175f sys/ufs/ufs/ufs_vnops.c:883
VOP_RENAME(fffffd8065bdf1b8,fffffd806cc7f9a0,ffff80003a50f1f8,fffffd8065bdf1b8,0,ffff80003a50f148) at VOP_RENAME+0x137 sys/kern/vfs_vops.c:376
dorenameat(ffff80003c93b248,25,200000000080,25,2000000000c0) at dorenameat+0x3f7 sys/kern/vfs_syscalls.c:3034
syscall(ffff80003a50f380) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a50f380) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf863c21e9c0, count: 251
End of stack trace.