panic: trap type 4, code=0, pc=ffffffff81f25290 Starting stack trace... panic(ffffffff823bbf15) at panic+0x14c sys/kern/subr_prf.c:218 kerntrap(ffff80002230a290) at kerntrap+0x1d7 sys/arch/amd64/amd64/trap.c:296 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pfi_ifhead_RB_REMOVE(ffffffff828f0618,ffff800000b2e200) at pfi_ifhead_RB_REMOVE+0x50 sys/net/pf_if.c:80 pfi_detach_ifgroup(ffff800000b08180) at pfi_detach_ifgroup+0x11b pfi_kif_unref sys/net/pf_if.c:211 [inline] pfi_detach_ifgroup(ffff800000b08180) at pfi_detach_ifgroup+0x11b sys/net/pf_if.c:304 if_delgroup(ffff800000b9d000,ffff800000b08180) at if_delgroup+0x193 sys/net/if.c:2679 if_detach(ffff800000b9d000) at if_detach+0x1ab sys/net/if.c:1042 tun_clone_destroy(ffff800000b9d000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:325 if_clone_destroy(ffff80002230a540) at if_clone_destroy+0x146 sys/net/if.c:1201 tun_dev_close(5d01,7) at tun_dev_close+0x140 sys/net/if_tun.c:476 spec_close(ffff80002230a610) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806edaf688,7,fffffd807f7bf480,ffff8000212a6ee8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806caf1860,ffff8000212a6ee8) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806caf1860,ffff8000212a6ee8) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806caf1860,ffff8000212a6ee8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806caf1860,ffff8000212a6ee8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff8000212a6ee8) at fdfree+0xf4 sys/kern/kern_descrip.c:1195 exit1(ffff8000212a6ee8,0,19,1) at exit1+0x320 sys/kern/kern_exit.c:197 postsig(ffff8000212a6ee8,19) at postsig+0x4ea sigexit sys/kern/kern_sig.c:1486 [inline] postsig(ffff8000212a6ee8,19) at postsig+0x4ea sys/kern/kern_sig.c:1418 userret(ffff8000212a6ee8) at userret+0x189 sys/kern/kern_sig.c:1906 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x7f7ffffd3920, count: 237 End of stack trace. syncing disks...14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 giving up dump to dev 4,1 not possible rpeanbiooct: inkge.r.n.el diagnostiSeaBIOS (version 1.8.2-20200706_154733-google) Total RAM Size = 0x0000000080000000 = 2048 MiB CPUs found: 2 Max CPUs supported: 2 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 0x000f2260: 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> show all locks boot: illegal argument all 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