uvm_fault(0xfffffd806cd215d0, 0x0, 0, 2) -> e
fatal page fault in supervisor mode
trap type 6 code 2 rip ffffffff829b7901 cs 8 rflags 10246 cr2 0 cpl 0 rsp ffff80003c938ca0
gsbase 0xffffffff83910ff0  kgsbase 0x0
panic: trap type 6, code=2, pc=ffffffff829b7901
Starting stack trace...
panic(ffffffff834405a6) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003c938bf0) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
km_free(0,1000,ffffffff83754f50,fffffff
f83754f68) at km_free+0x191 sys/uvm/uvm_km.c:672
pool_p_free(ffffffff839ad9e8,fffffd8064aa4f90) at pool_p_free+0x1cd sys/kern/subr_pool.c:1018
pool_reclaim(ffffffff839ad9e8) at pool_reclaim+0x2c2 sys/kern/subr_pool.c:1156
pool_reclaim_all() at pool_reclaim_all+0x48 sys/kern/subr_pool.c:-1
kern_sysctl(ffff80003c939034,1,0,ffff80003c939068,200000001440,4,c142d9954247e80e) at kern_sysctl+0x1094 sys/kern/kern_sysctl.c:687
sys_sysctl(ffff80002f0d0a78,ffff80003c939190,ffff80003c9390e0) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1
syscall(ffff80003c939190) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c939190) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x43c4bbffd80, count: 246
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 d662f6a5-d763-0b53-7cd8-e4e6b0001699
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 0x000f26c0: 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