panic: rw_enter: rtlck locking against myself
Starting stack trace...
panic(ffffffff8279852b) at panic+0x16b sys/kern/subr_prf.c:229
rw_enter(ffffffff82b9b020,1) at rw_enter+0x482 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline]
rw_enter(ffffffff82b9b020,1) at rw_enter+0x482 sys/kern/kern_rwlock.c:274
arpresolve(ffff8000001a02a8,fffffd806f4ec150,fffffd8066402d00,ffff8000006c8bf0,ffff800021196f98) at arpresolve+0x3ce sys/netinet/if_ether.c:423
ether_resolve(ffff8000001a02a8,fffffd8066402d00,ffff8000006c8bf0,fffffd806f4ec150,ffff800021196f98) at ether_resolve+0x215 sys/net/if_ethersubr.c:224
ether_output(ffff8000001a02a8,fffffd8066402d00,ffff8000006c8bf0,fffffd806f4ec150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:330 [inline]
ether_output(ffff8000001a02a8,fffffd8066402d00,ffff8000006c8bf0,fffffd806f4ec150) at ether_output+0x47 sys/net/if_ethersubr.c:359
arpcache(ffff8000001a02a8,fffffd8008a1301a,fffffd806f4ec150) at arpcache+0x2e8 sys/netinet/if_ether.c:734
in_arpinput(ffff8000001a02a8,fffffd8067de7300) at in_arpinput+0x4c1 sys/netinet/if_ether.c:615
arpintr() at arpintr+0x71 sys/netinet/if_ether.c:538
if_netisr(0) at if_netisr+0xcf sys/net/if.c:912
taskq_thread(ffff80000002c000) at taskq_thread+0xe5 sys/kern/kern_task.c:449
end trace frame: 0x0, count: 247
End of stack trace.
syncing disks...27 16  done

dump to dev 4,1 not possible
repbaonotiinc:g. k.e.r
nel diagnostiSeaBIOS (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 cacfac85-bd04-7459-f730-6e0582505e9f
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 0x000f27d0: 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 3.55
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