uvm_fault(0xfffffd800b0273d0, 0xf, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8125ac68 cs 8 rflags 10246 cr2 f cpl 0 rsp ffff80002a356580
gsbase 0xffffffff837d6ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff8125ac68
Starting stack trace...
panic(ffffffff833cb830) at panic+464
kerntrap(ffff80002a3564d0) at kerntrap+779
alltraps_kern_meltdown() at alltraps_kern_meltdown+123

ktrops(ffff80003c466a90,ffffffffffffffff,0,a0c7df9f,fffffd8072f66720,fffffd80097fb5b0) at ktrops+88
doktrace(fffffd8072f66720,4,20c7df9f,0,ffff80003c466a90) at doktrace+1725
sys_ktrace(ffff80003c466a90,ffff80002a3568f0,ffff80002a356840) at sys_ktrace+284
syscall(ffff80002a3568f0) at syscall+2839
Xsyscall() at Xsyscall+296
end of kernel
end trace frame: 0x21ebc424c80, count: 249
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 479bd2e4-6073-186a-8c25-a69e4074584d
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 0x000f26e0: 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