panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff82fc60ab) at panic+0x1ba sys/kern/subr_prf.c:229
ufs_rename(ffff80002bfd31b8) at ufs_rename+0x18b2
VOP_RENAME(fffffd8054f05010,fffffd806a8cc720,ffff80002bfd3388,fffffd807b410870,0,ffff80002bfd32d8) at VOP_RENAME+0x13c sys/kern/vfs_vops.c:376
dorenameat(ffff8000303ef1e0,ffffff9c,20000540,ffffff9c,200005c0) at dorenameat+0x3f8 sys/kern/vfs_syscalls.c:3020
syscall(ffff80002bfd3520) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb818bde15d0, count: 251
End of stack trace.