panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff8330bca9) at panic+0x1ba sys/kern/subr_prf.c:229
ufs_rename(ffff80003c98b548) at ufs_rename+0x18b2 sys/ufs/ufs/ufs_vnops.c:-1
VOP_RENAME(fffffd8066f17cc8,fffffd806a85ece8,ffff80003c98b718,fffffd800846b1b0,0,ffff80003c98b668) at VOP_RENAME+0x13c sys/kern/vfs_vops.c:376
dorenameat(ffff80002a7aa030,ffffff9c,200000000080,ffffff9c,2000000000c0) at dorenameat+0x3f8 sys/kern/vfs_syscalls.c:3038
syscall(ffff80003c98b8b0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c98b8b0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x1ed67bf4c60, count: 251
End of stack trace.