panic: trap type 6, code=10, pc=e9779
Starting stack trace...
panic(ffffffff82fd84cf) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002cd2fcf0) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
acpi_pdirpa() at acpi_pdirpa+0xd55ea
rt_clone(ffff80002cd2ffc8,fffffd805b491c90,0) at rt_clone+0x98 sys/net/route.c:383
rtalloc_mpath(fffffd805b491c90,fffffd8077ad59f8,0) at rtalloc_mpath+0xf2 rt_match sys/net/route.c:360 [inline]
rtalloc_mpath(fffffd805b491c90,fffffd8077ad59f8,0) at rtalloc_mpath+0xf2 sys/net/route.c:476
ip_output(fffffd8077ad5900,0,fffffd805b491c78,20,0,fffffd805b491d10,a78078c11f9a2a65) at ip_output+0x4c7 sys/netinet/ip_output.c:189
rip_output(fffffd8077ad5900,ffff8000012887d8,ffff80002cd30208,178) at rip_output+0x3c1
rip_send(ffff8000012887d8,fffffd8077ad5900,0,0) at rip_send+0x13d sys/netinet/raw_ip.c:628
sosend(ffff8000012887d8,0,ffff80002cd30408,0,0,0) at sosend+0xa40
dofilewritev(ffff8000372519d0,5,ffff80002cd30408,0,ffff80002cd304c0) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff8000372519d0,ffff80002cd30570,ffff80002cd304c0) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002cd30570) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002cd30570) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x83e47b87f90, count: 243
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 69eb9058-0362-23fd-9d6a-f99e4488aea0
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 $lines = 0
set: syntax error
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