panic: trap type 6, code=10, pc=e9509
Starting stack trace...
panic(ffffffff82fda0ea) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a2b5e70) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
acpi_pdirpa() at acpi_pdirpa+0xd537a
rt_clone(ffff80002a2b6148,fffffd8068ff0ca0,0) at rt_clone+0x98 sys/net/route.c:383
route_mpath(fffffd8068ff0c88,ffff80002a2b629c,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline]
route_mpath(fffffd8068ff0c88,ffff80002a2b629c,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline]
route_mpath(fffffd8068ff0c88,ffff80002a2b629c,0,0) at route_mpath+0x170 sys/net/route.c:255
in_pcbselsrc(fffffd806142d0f4,ffff80002a2b6298,fffffd8068ff0c10) at in_pcbselsrc+0x250
rip_output(fffffd806142d700,ffff800001337298,ffff80002a2b6298,4682) at rip_output+0x2bf sys/netinet/raw_ip.c:310
rip_send(ffff800001337298,fffffd806142d700,0,0) at rip_send+0x13d sys/netinet/raw_ip.c:628
sosend(ffff800001337298,0,ffff80002a2b6498,0,0,0) at sosend+0xa40
dofilewritev(ffff80002a04e530,3,ffff80002a2b6498,0,ffff80002a2b6550) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff80002a04e530,ffff80002a2b6600,ffff80002a2b6550) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a2b6600) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a2b6600) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x56d685d2220, 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 dc1537e2-3f8b-09d0-7a97-ada6c38139e5
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