login: uvm_fault(0xfffffd806c2cc6f0, 0xdb, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff82eea327 cs 8 rflags 10246 cr2 db cpl 0 rsp ffff80002a4a33e0
gsbase 0xffffffff8340dff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff82eea327
Starting stack trace...
panic(ffffffff82fb726a) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80002a4a3330) at kerntrap+0x28b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
rtrequest(1,ffff80002a4a3588,38,ffff80002a4a3500,0) at rtrequest+0x7c7 sys/net/route.c:1008
rtm_output(ffff80000130d900,ffff80002a4a3630,ffff80002a4a3588,38,0) at rtm_output+0x855 sys/net/rtsock.c:973
route_output(fffffd806d0bb400,fffffd8074723de8) at route_output+0x9ac sys/net/rtsock.c:878
route_send(fffffd8074723de8,fffffd806d0bb400,0,0) at route_send+0xd7 sys/net/rtsock.c:342
sosend(fffffd8074723de8,0,ffff80002a4a37e8,0,0,0) at sosend+0xa40
sendit(ffff80002ddd6028,4,ffff80002a4a38e0,0,ffff80002a4a3990) at sendit+0x721 sys/kern/uipc_syscalls.c:786
sys_sendto(ffff80002ddd6028,ffff80002a4a3a40,ffff80002a4a3990) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:564
syscall(ffff80002a4a3a40) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3c09402b9e0, count: 245
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 1f64d870-06f2-d8bf-7327-adc6877a2997
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