panic: ufsdirhash_lookup: bad offset in hash array
Starting stack trace...
panic(ffffffff828740df) at panic+0x16f sys/kern/subr_prf.c:229
ufsdirhash_lookup(fffffd8058183888,ffff8000211f5400,1,fffffd8058183954,ffff80002e462b18,0) at ufsdirhash_lookup+0x8b8 sys/ufs/ufs/ufs_dirhash.c:343
ufs_lookup() at ufs_lookup+0xc15 sys/ufs/ufs/ufs_lookup.c:216
VOP_LOOKUP(fffffd8067e03db0,ffff80002e462f98,ffff80002e462fc8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85
vfs_lookup(ffff80002e462f68) at vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566
namei(ffff80002e462f68) at namei+0x55a sys/kern/vfs_lookup.c:250
vn_open(ffff80002e462f68,21,0) at vn_open+0xf8 sys/kern/vfs_vnops.c:140
doopenat(ffff80002129d298,6,200000c0,20,0,ffff80002e463140) at doopenat+0x26e sys/kern/vfs_syscalls.c:1126
syscall(ffff80002e4631c0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline]
syscall(ffff80002e4631c0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xa79409e19e0, count: 247
End of stack trace.
syncing disks...25 15  done

dump to dev 4,1 not possible
repbaonoict:in g.k.er.n
el diagnoSeaBIOS (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 389fa873-dfcb-7256-506e-5266d86d0b3b
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 0x000f2890: 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 3.65
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