panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff827b19d8) at panic+0x16f sys/kern/subr_prf.c:229
ufs_rename(ffff8000295cd7f8) at ufs_rename+0x15b1 sys/ufs/ufs/ufs_vnops.c:908
VOP_RENAME(fffffd8067877d00,fffffd8067877b50,ffff8000295cd9c8,fffffd8067877d00,fffffd806634c628,ffff8000295cd918) at VOP_RENAME+0xf4 sys/kern/vfs_vops.c:370
dorenameat(ffff8000212ad8c0,ffffff9c,200005c0,ffffff9c,200006c0) at dorenameat+0x2a0 sys/kern/vfs_syscalls.c:2994
syscall(ffff8000295cdb60) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff8000295cdb60) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xde8fb7a4d0, count: 251
End of stack trace.