panic: ufs_rename: lost dir entry
Starting stack trace...
panic(ffffffff82fc415f) at panic+0x1ba sys/kern/subr_prf.c:229
ufs_rename(ffff8000374378f8) at ufs_rename+0x18b2
VOP_RENAME(fffffd806cc57000,fffffd806cc57d80,ffff800037437ac8,fffffd806ccd45f0,0,ffff800037437a18) at VOP_RENAME+0x13c sys/kern/vfs_vops.c:376
dorenameat(ffff80002a4d1970,ffffff9c,20000540,ffffff9c,200005c0) at dorenameat+0x3f8 sys/kern/vfs_syscalls.c:3021
syscall(ffff800037437c60) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4a747624870, count: 251
End of stack trace.