panic: ffs_valloc: dup alloc
Starting stack trace...
panic(ffffffff830b1ca1) at panic+0x1ba sys/kern/subr_prf.c:229
ffs_inode_alloc(fffffd8064d2a6a0,2000,fffffd807f7d75b0,ffff800030c55560) at ffs_inode_alloc+0x96c sys/ufs/ffs/ffs_alloc.c:404
ufs_makeinode(2000,fffffd8078b4a2d8,ffff800030c55780,ffff800030c557b0) at ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1728
ufs_mknod(ffff800030c55620) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167
VOP_MKNOD(fffffd8078b4a2d8,ffff800030c55780,ffff800030c557b0,ffff800030c556b0) at VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121
domknodat(ffff80002a4fb980,ffffff9c,20000000,2000,205b9a) at domknodat+0x47e sys/kern/vfs_syscalls.c:1624
syscall(ffff800030c55950) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3b4491a8330, count: 249
End of stack trace.