panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff82fba753) at panic+0x1ba sys/kern/subr_prf.c:229
ufs_rename(ffff80002a52b878) at ufs_rename+0x18b2
VOP_RENAME(fffffd805b2c2958,fffffd806c918018,ffff80002a52ba48,fffffd806c9181c8,0,ffff80002a52b998) at VOP_RENAME+0x13c sys/kern/vfs_vops.c:376
dorenameat(ffff800037620f60,ffffff9c,20000540,ffffff9c,200005c0) at dorenameat+0x3f8 sys/kern/vfs_syscalls.c:3021
syscall(ffff80002a52bbe0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x82d0ad23220, count: 251
End of stack trace.