panic: trap type 4, code=0, pc=ffffffff81e64177
Starting stack trace...
panic(ffffffff82825c5e) at panic+0x159 sys/kern/subr_prf.c:229
kerntrap(ffff80002db1ef50) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
softclock(0) at softclock+0xd7 sys/kern/kern_timeout.c:751
softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
x86_bus_space_io_read_1(64,0) at x86_bus_space_io_read_1+0x2e sys/arch/amd64/amd64/bus_space.c:654
pckbc_poll_cmd1(ffff80000002ff00,0,ffff80002db1f220) at pckbc_poll_cmd1+0x1ce pckbc_poll_data1 sys/dev/ic/pckbc.c:150 [inline]
pckbc_poll_cmd1(ffff80000002ff00,0,ffff80002db1f220) at pckbc_poll_cmd1+0x1ce sys/dev/ic/pckbc.c:620
pckbc_poll_cmd(ffff80000002ff00,0,ffff80002db1f2df,1,0,0,87181de1a82a7ccd) at pckbc_poll_cmd+0xfd sys/dev/ic/pckbc.c:692
pckbd_enable(ffff800000683700,1) at pckbd_enable+0xc4 sys/dev/pckbc/pckbd.c:502
wskbd_do_open(ffff80000067ba00,ffff80000067ba50) at wskbd_do_open+0xbf wskbd_enable sys/dev/wscons/wskbd.c:810 [inline]
wskbd_do_open(ffff80000067ba00,ffff80000067ba50) at wskbd_do_open+0xbf sys/dev/wscons/wskbd.c:886
wskbdopen(4300,81,2000,ffff80002a6e8560) at wskbdopen+0x143 sys/dev/wscons/wskbd.c:868
spec_open(ffff80002db1f428) at spec_open+0x220 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e399008,81,fffffd807f7d7750,ffff80002a6e8560) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002db1f678,81,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177
doopenat(ffff80002a6e8560,ffffff9c,200002c0,80,0,ffff80002db1f810) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff80002db1f8c0) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdda287fbf40, count: 239
End of stack trace.
f
atal protection fault in supervisor mode
trap type 4 code 0 rip ffffffff81e64177 cs 8 rflags 10246 cr2 dd9989ee000 cpl 1 rsp ffff80002db1e710
gsbase 0xffffffff82c67ff0  kgsbase 0x0
panic: trap type 4, code=0, pc=ffffffff81e64177
Starting stack trace...
panic(ffffffff82825c5e) at panic+0x159 sys/kern/subr_prf.c:229
kerntrap(ffff80002db1e660) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
softclock(0) at softclock+0xd7 sys/kern/kern_timeout.c:751
softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
Xspllower() at Xspllower+0x1d
tsleep(fffffd8067407268,11,ffffffff828c55cf,0) at tsleep+0x111 sys/kern/kern_synch.c:149
biowait(fffffd8067407268) at biowait+0x91 sys/kern/vfs_bio.c:1254
bwrite(fffffd8067407268) at bwrite+0x1f5 sys/kern/vfs_bio.c:766
ffs_update(fffffd80645c31f0,1) at ffs_update+0x27f sys/ufs/ffs/ffs_inode.c:111
ffs_truncate(fffffd80645c31f0,0,0,ffffffffffffffff) at ffs_truncate+0x987
ufs_inactive(ffff80002db1ecb8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd80550b0b58,ffff80002a6e8560) at VOP_INACTIVE+0xbf sys/kern/vfs_vops.c:489
vput(fffffd80550b0b58) at vput+0xa6 sys/kern/vfs_subr.c:779
vn_close(fffffd80550b0b58,2,ffffffffffffffff,ffff80002a6e8560s)et $lines = 0
 at vn_close+0x81 sys/kern/vfs_vnops.c:294
acct_shutdown() at acct_shutdown+0x66 sys/kern/kern_acct.c:359
vfs_shutdown(ffff80002a6e8560) at vfs_shutdown+0x1a sys/kern/vfs_subr.c:1779
boot(100) at boot+0xe0 sys/arch/amd64/amd64/machdep.c:903
reboot(100) at reboot+0x7b
panic(ffffffff82825c5e) at panic+0x179 sys/kern/subr_prf.c:231
kerntrap(ffff80002db1ef50) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
softclock(0) at softclock+0xd7 sys/kern/kern_timeout.c:751
softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
x86_bus_space_io_read_1(64,0) at x86_bus_space_io_read_1+0x2e sys/arch/amd64/amd64/bus_space.c:654
pckbc_poll_cmd1(ffff80000002ff00,0,ffff80002db1f220) at pckbc_poll_cmd1+0x1ce pckbc_poll_data1 sys/dev/ic/pckbc.c:150 [inline]
pckbc_poll_cmd1(ffff80000002ff00,0,ffff80002db1f220) at pckbc_poll_cmd1+0x1ce sys/dev/ic/pckbc.c:620
pckbc_poll_cmd(ffff80000002ff00,0,ffff80002db1f2df,1,0,0,87181de1a82a7ccd) at pckbc_poll_cmd+0xfd sys/dev/ic/pckbc.c:692
pckbd_enable(ffff800000683700,1) at pckbd_enable+0xc4 sys/dev/pckbc/pckbd.c:502
wskbd_do_open(ffff80000067ba00,ffff80000067ba50) at wskbd_do_open+0xbf wskbd_enable sys/dev/wscons/wskbd.c:810 [inline]
wskbd_do_open(ffff80000067ba00,ffff80000067ba50) at wskbd_do_open+0xbf sys/dev/wscons/wskbd.c:886
wskbdopen(4300,81,2000,ffff80002a6e8560) at wskbdopen+0x143 sys/dev/wscons/wskbd.c:868
spec_open(ffff80002db1f428) at spec_open+0x220 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806e399008,81,fffffd807f7d7750,ffff80002a6e8560) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff80002db1f678,81,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177
doopenat(ffff80002a6e8560,ffffff9c,200002c0,80,0,ffff80002db1f810) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff80002db1f8c0) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdda287fbf40, count: 219
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 016acda6-80d9-6675-f1e2-930bbf0c87d3
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 0x000f27f0: 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> 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