panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff827902ff) at panic+0x159 sys/kern/subr_prf.c:229
ufs_rename(ffff80002b42a048) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908
VOP_RENAME(fffffd806bb6feb0,fffffd806bb6f640,ffff80002b42a218,fffffd806bb6feb0,0,ffff80002b42a168) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370
dorenameat(ffff80002e8725b0,ffffff9c,200005c0,ffffff9c,200006c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994
syscall(ffff80002b42a3b0) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb951d073070, count: 251
End of stack trace.