panic: trap type 6, code=10, pc=e9779
Starting stack trace...
panic(ffffffff82fa8db5) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80002a5753a0) at kerntrap+0x28b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
acpi_pdirpa() at acpi_pdirpa+0xd55ea
rt_match(ffff80002a575770,ffff80002a57578c,1,0) at rt_match+0xf0 rt_clone sys/net/route.c:383 [inline]
rt_match(ffff80002a575770,ffff80002a57578c,1,0) at rt_match+0xf0 sys/net/route.c:358
route_mpath(ffff80002a575758,fffffd805d4edf28,fffffd805d4edf24,0) at route_mpath+0xb8 sys/net/route.c:255
in_ouraddr(fffffd807eba0800,ffff80000127c000,ffff80002a575758,20) at in_ouraddr+0xc2
ip_input_if(ffff80002a575848,ffff80002a575854,0,0,ffff80000127c000) at ip_input_if+0x3dd sys/netinet/ip_input.c:508
ipv4_input(ffff80000127c000,fffffd807eba0800) at ipv4_input+0x50 sys/netinet/ip_input.c:337
ether_input(ffff80000127c000,fffffd807eba0800) at ether_input+0x6e4
tun_dev_write(5d02,ffff80002a575bc8,0,2) at tun_dev_write+0x301 sys/net/if_tun.c:914
spec_write(ffff80002a575a20) at spec_write+0x117 sys/kern/spec_vnops.c:302
VOP_WRITE(fffffd806dfe56c8,ffff80002a575bc8,11,fffffd807f7d7750) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245
vn_write(fffffd806cb85c40,ffff80002a575bc8,0) at vn_write+0x1c3 sys/kern/vfs_vnops.c:408
dofilewritev(ffff80002a50dc40,c8,ffff80002a575bc8,0,ffff80002a575c80) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff80002a50dc40,ffff80002a575d30,ffff80002a575c80) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a575d30) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xaff4c6c3900, count: 239
End of stack trace.

dump to dev 4,1 not possible
rebooting...
SeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000080000000 = 2048 MiB
CPUs found: 2     Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID e4c28bce-9379-8bb2-f2c8-a7cf484f58e0
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f27c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
>> OpenBSD/amd64 BOOT 3.67
boot> set $maxwidth = 0
set: syntax error
boot> show panic
boot: illegal argument panic
boot> trace
boot> show registers
boot> show proc
boot> ps
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