panic: trap type 6, code=10, pc=e9779
Starting stack trace...
panic(ffffffff82fad182) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80002a530970) 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(fffffd806eb17db0,0,1,0) at rt_match+0xf0 rt_clone sys/net/route.c:383 [inline]
rt_match(fffffd806eb17db0,0,1,0) at rt_match+0xf0 sys/net/route.c:358
route_mpath(fffffd806eb17d98,ffff80002a530d8c,0,0) at route_mpath+0xb8 sys/net/route.c:255
in_pcbselsrc(fffffd806d2db4f4,ffff80002a530d88,fffffd806eb17d20) at in_pcbselsrc+0x250
rip_output(fffffd806d2db300,fffffd806d440de0,ffff80002a530d88,0) at rip_output+0x298 sys/netinet/raw_ip.c:310
rip_send(fffffd806d440de0,fffffd806d2db300,0,0) at rip_send+0x13d sys/netinet/raw_ip.c:628
sosend(fffffd806d440de0,0,ffff80002a530f88,0,0,0) at sosend+0xa40
dofilewritev(ffff80002a49d458,3,ffff80002a530f88,0,ffff80002a531040) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff80002a49d458,ffff80002a5310f0,ffff80002a531040) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a5310f0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x300a6ba3930, 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 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