panic: bad dir
Starting stack trace...
panic(ffffffff832e9b67) at panic+0x1ba sys/kern/subr_prf.c:229
ufs_lookup() at ufs_lookup+0x1eca
VOP_LOOKUP(fffffd806a0bd6d0,ffff80003c9b79e8,ffff80003c9b7980) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
unveil_find_cover(fffffd806a0bd6d0,ffff800038126fc8) at unveil_find_cover+0x16d sys/kern/kern_unveil.c:277
unveil_add_vnode(ffff800038126fc8,fffffd806a0bd6d0) at unveil_add_vnode+0xc6 sys/kern/kern_unveil.c:391
unveil_add(ffff800038126fc8,ffff80003c9b
7b78,ffff80003c9b7c33) at unveil_add+0x3e0 sys/kern/kern_unveil.c:494
sys_unveil(ffff800038126fc8,ffff80003c9b7d50,ffff80003c9b7ca0) at sys_unveil+0x61c sys/kern/vfs_syscalls.c:1032
syscall(ffff80003c9b7d50) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9b7d50) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x32c8d1b6710, count: 248
End of stack trace.
syncing disks...uvm_fault(0xfffffd806f5fb738, 0x47, 0, 2) -> e
fatal page fault in supervisor mode
trap type 6 code 2 rip ffffffff831c4f1f cs 8 rflags 10286 cr2 47 cpl 3 rsp ffff80003c9b7630
gsbase 0xffffffff83851ff0  kgsbase 0x0
panic: trap type 6, code=2, pc=ffffffff831c4f1f
Starting stack trace...
panic(ffffffff833a8a30) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003c9b7580) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
bufcache_take(fffffd8069d27250) at bufcache_take+0x22f sys/kern/vfs_bio.c:1687
vfs_syncwait(ffff800038126fc8,1) at vfs_syncwait+0x11d sys/kern/vfs_subr.c:1842
vfs_shutdown(ffff800038126fc8) at vfs_shutdown+0x97 sys/kern/vfs_subr.c:1803
boot(100) at boot+0x166 sys/arch/amd64/amd64/machdep.c:927
reboot(100) at reboot+0xa8
panic(ffffffff832e9b67) at panic+0x1e3
ufs_lookup() at ufs_lookup+0x1eca
VOP_LOOKUP(fffffd806a0bd6d0,ffff80003c9b79e8,ffff80003c9b7980) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
unveil_find_cover(fffffd806a0bd6d0,ffff800038126fc8) at unveil_find_cover+0x16d sys/kern/kern_unveil.c:277
unveil_add_vnode(ffff800038126fc8,fffffd806a0bd6d0) at unveil_add_vnode+0xc6 sys/kern/kern_unveil.c:391
unveil_add(ffff800038126fc8,ffff80003c9b7b78,ffff80003c9b7c33) at unveil_add+0x3e0 sys/kern/kern_unveil.c:494
sys_unveil(ffff800038126fc8,ffff80003c9b7d50,ffff80003c9b7ca0) at sys_unveil+0x61c sys/kern/vfs_syscalls.c:1032
syscall(ffff80003c9b7d50) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9b7d50) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x32c8d1b6710, count: 240
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 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 $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