panic: missing alias
Starting stack trace...
panic(ffffffff82fbe488) at panic+0x1ba sys/kern/subr_prf.c:229
vgonel(fffffd806bb34a20,ffff80002a4b11c8) at vgonel+0x681 sys/kern/vfs_subr.c:1202
checkalias(fffffd805fc08be8,0,ffff800000b5d400) at checkalias+0x1ab
ffs_vinit(ffff800000b5d400,ffff80002a5775c0) at ffs_vinit+0x13d
ffs_vget(ffff800000b5d400,19658,ffff80002a5776a8) at ffs_vget+0x421 sys/ufs/ffs/ffs_vfsops.c:1283
ufs_lookup() at ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573
VOP_LOOKUP(fffffd806bb14a20,ffff80002a577928,ffff80002a577958) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002a5778f8) at vfs_lookup+0x8e1 sys/kern/vfs_lookup.c:566
namei(ffff80002a5778f8) at namei+0x7aa sys/kern/vfs_lookup.c:250
dofstatat(ffff80002a4b11c8,ffffff9c,7a7cdb4e9690,7a7cdb4e9a90,2) at dofstatat+0xd2 sys/kern/vfs_syscalls.c:2069
syscall(ffff80002a577b70) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7a7cdb4e9b40, count: 245
End of stack trace.