panic: trap type 4, code=0, pc=ffffffff81c7ec60 Starting stack trace... panic(ffffffff8238eacb) at panic+0x14c sys/kern/subr_prf.c:218 kerntrap(ffff800020c374a0) at kerntrap+0x1b7 sys/arch/amd64/amd64/trap.c:316 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pfi_ifhead_RB_REMOVE(ffffffff8283d838,ffff800000b44e00) at pfi_ifhead_RB_REMOVE+0x50 sys/net/pf_if.c:80 pfi_detach_ifgroup(ffff800000adf000) at pfi_detach_ifgroup+0x11b pfi_kif_unref sys/net/pf_if.c:211 [inline] pfi_detach_ifgroup(ffff800000adf000) at pfi_detach_ifgroup+0x11b sys/net/pf_if.c:304 if_delgroup(ffff800000ae1800,ffff800000adf000) at if_delgroup+0x193 sys/net/if.c:2681 if_detach(ffff800000ae1800) at if_detach+0x1ab sys/net/if.c:1044 tun_clone_destroy(ffff800000ae1800) at tun_clone_destroy+0x1c7 sys/net/if_tun.c:325 if_clone_destroy(ffff800020c37750) at if_clone_destroy+0x136 sys/net/if.c:1203 tun_dev_close(5d00,7) at tun_dev_close+0x140 sys/net/if_tun.c:476 spec_close(ffff800020c37820) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd805e06bcc0,7,fffffd806c3b7b40,ffff80001e9e97a8) at VOP_CLOSE+0xe2 sys/kern/vfs_vops.c:177 vn_closefile(fffffd805d7ede90,ffff80001e9e97a8) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd805d7ede90,ffff80001e9e97a8) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd805d7ede90,ffff80001e9e97a8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd805d7ede90,ffff80001e9e97a8) at closef+0x117 sys/kern/kern_descrip.c:1263 fdfree(ffff80001e9e97a8) at fdfree+0xf3 sys/kern/kern_descrip.c:1195 exit1(ffff80001e9e97a8,0,0,1) at exit1+0x325 sys/kern/kern_exit.c:200 sys_exit(ffff80001e9e97a8,ffff800020c37ab0,ffff800020c37b00) at sys_exit+0x16 sys/kern/kern_exit.c:96 syscall(ffff800020c37b80) at syscall+0x507 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffaff0, count: 237 End of stack trace. syncing disks...12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 giving up dump to dev 4,1 not possible rebooting... SeaBIOS (version 1.8.2-google) Total RAM Size = 0x000000006cc00000 = 1740 MiB CPUs found: 1 Max CPUs supported: 1 SeaBIOS (version 1.8.2-google) Machine UUID 1f5eaa37-9319-de71-8c79-d2e486f4a21c found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=2097152 = 1024 MiB drive 0x000f2350: PCHS=0/0/0 translation=lba LCHS=1024/32/63 s=2097152 Sending Seabios boot VM event. Booting from Hard Disk 0... >> OpenBSD/amd64 BOOT 3.52 boot> ps |/-\|/-\|/booting hd0a:ps: -\|/open hd0a:ps: No such file or directory failed(2). will try /bsd boot> show all locks boot> show malloc boot> show all pools boot> machine ddbcpu 0 machine: syntax error boot> trace boot> machine ddbcpu 1 machine: syntax error boot> trace