panic: trap type 6, code=0, pc=ffffffff811f34f7
Starting stack trace...
panic(ffffffff8282b562) at panic+0x159 sys/kern/subr_prf.c:229
kerntrap(ffff800037810e20) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
schedclock(ffff80002a6a2028) at schedclock+0x97 sys/kern/sched_bsd.c:567
statclock(ffffffff82cc7bd8,ffff800037811020,0) at statclock+0x1dd sys/kern/kern_clock.c:323
clockintr_dispatch(ffff800037811020) at clockintr_dispatch+0x28f sys/kern/kern_clockintr.c:214
lapic_clockintr(0,0) at lapic_clockintr+0x3a sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 invpcid machine/cpufunc.h:176 [inline]
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 pmap_tlb_shootpage sys/arch/amd64/amd64/pmap.c:3367 [inline]
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 sys/arch/amd64/amd64/pmap.c:519
buf_map(fffffd807d7ccc10) at buf_map+0x22d sys/kern/vfs_biomem.c:120
buf_get(0,0,20001004) at buf_get+0x42f sys/kern/vfs_bio.c:1175
geteblk(20001004) at geteblk+0x3c sys/kern/vfs_bio.c:1058
readdisklabel(2902,ffffffff81ea0c80,ffff800000e3ae00,0) at readdisklabel+0x14b sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,8dcd11c5,2000,ffff80002a6a2028) at vndopen+0x189 sys/dev/vnd.c:204
spec_open(ffff8000378114d8) at spec_open+0x220 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806ec2fb58,8dcd11c5,fffffd807f7d7958,ffff80002a6a2028) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff800037811728,8dcd13c5,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177
doopenat(ffff80002a6a2028,ffffff9c,20000240,8dcd13c4,0,ffff8000378118d0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff800037811980) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19467f8c1f0, count: 237
End of stack trace.
syncing disks...fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff81b56d64 cs 8 rflags 10246 cr2 2e8 cpl c rsp ffff800037810660
gsbase 0xffffffff82cc6ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff81b56d64
Starting stack trace...
panic(ffffffff8282b562) at panic+0x159 sys/kern/subr_prf.c:229
kerntrap(ffff8000378105b0) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
lim_cur_proc(ffff80002a6a2028,1) at lim_cur_proc+0x54 sys/kern/kern_resource.c:727
vn_fsizechk(fffffd80684dc548,ffff800037810878,0,ffff800037810710) at vn_fsizechk+0x83 sys/kern/vfs_vnops.c:253
ffs_write(ffff8000378107e0) at ffs_write+0x273 sys/ufs/ffs/ffs_vnops.c:327
VOP_WRITE(fffffd80684dc548,ffff800037810878,0,0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
uvn_io(fffffd806986b5c0,ffff800037810a70,a,31,1) at uvn_io+0x37f sys/uvm/uvm_vnode.c:1269
uvn_put(fffffd806986b5c0,ffff800037810a70,a,31) at uvn_put+0xd4 sys/uvm/uvm_vnode.c:926
uvm_pager_put(fffffd806986b5c0,fffffd800641ef00,ffff800037810b08,ffff800037810b40,31,0,e43ae6b7aa303af3) at uvm_pager_put+0x145 sys/uvm/uvm_pager.c:545
uvn_flush(fffffd806986b5c0,0,0,31) at uvn_flush+0x50f sys/uvm/uvm_vnode.c:725
uvm_vnp_sync(ffff8000006c7800) at uvm_vnp_sync+0x16e sys/uvm/uvm_vnode.c:1540
sys_sync(ffff80002a6a2028,0,0) at sys_sync+0x9b sys/kern/vfs_syscalls.c:535
vfs_syncwait(ffff80002a6a2028,1) at vfs_syncwait+0x3b
vfs_shutdown(ffff80002a6a2028) at vfs_shutdown+0x61 sys/kern/vfs_subr.c:1791
boot(100) at boot+0xe0 sys/arch/amd64/amd64/machdep.c:903
reboot(100) at reboot+0x7b
panic(ffffffff8282b562) at panic+0x179 sys/kern/subr_prf.c:231
kerntrap(ffff800037810e20) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
schedclock(ffff80002a6a2028) at schedclock+0x97 sys/kern/sched_bsd.c:567
statclock(ffffffff82cc7bd8,ffff800037811020,0) at statclock+0x1dd sys/kern/kern_clock.c:323
clockintr_dispatch(ffff800037811020) at clockintr_dispatch+0x28f sys/kern/kern_clockintr.c:214
lapic_clockintr(0,0) at lapic_clockintr+0x3a sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 invpcid machine/cpufunc.h:176 [inline]
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 pmap_tlb_shootpage sys/arch/amd64/amd64/pmap.c:3367 [inline]
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 sys/arch/amd64/amd64/pmap.c:519
buf_map(fffffd807d7ccc10) at buf_map+0x22d sys/kern/vfs_biomem.c:120
buf_get(0,0,20001004) at buf_get+0x42f sys/kern/vfs_bio.c:1175
geteblk(20001004) at geteblk+0x3c sys/kern/vfs_bio.c:1058
readdisklabel(2902,ffffffff81ea0c80,ffff800000e3ae00,0) at readdisklabel+0x14b sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,8dcd11c5,2000,ffff80002a6a2028) at vndopen+0x189 sys/dev/vnd.c:204
spec_open(ffff8000378114d8) at spec_open+0x220 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806ec2fb58,8dcd11c5,fffffd807f7d7958,ffff80002a6a2028) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff800037811728,8dcd13c5,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177
doopenat(ffff80002a6a2028,ffffff9c,20000240,8dcd13c4,0,ffff8000378118d0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff800037811980) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19467f8c1f0, count: 220
End of stack trace.
panic: thread 0 p_stat is 0
Starting stack trace...
panic(ffffffff828ab256) at panic+0x159 sys/kern/subr_prf.c:229
wakeup_n(ffffffff82e14110,ffffffff) at wakeup_n+0x2bd sys/kern/kern_synch.c:547
uvm_pmr_freepageq(ffff8000378100d0) at uvm_pmr_freepageq+0x284 sys/uvm/uvm_pmemrange.c:1352
km_free(fffffd807dfe3000,4000,ffff800037810148,ffffffff82a112a0) at km_free+0x171 sys/uvm/uvm_km.c:914
pool_multi_free(ffffffff82d383f0,fffffd807dfe3000) at pool_multi_free+0xa1 sys/kern/subr_pool.c:1672
m_pool_free(ffffffff82d383f0,fffffd807dfe3000) at m_pool_free+0x39 sys/kern/uipc_mbuf.c:1486
pool_p_free(ffffffff82d383f0,fffffd807df72498) at pool_p_free+0x14d sys/kern/subr_pool.c:1012
pool_put(ffffffff82d383f0,fffffd806cdde800) at pool_put+0x1e2 pool_wakeup sys/kern/subr_pool.c:821 [inline]
pool_put(ffffffff82d383f0,fffffd806cdde800) at pool_put+0x1e2 sys/kern/subr_pool.c:815
m_extfree(fffffd806c9cba00) at m_extfree+0xd3 sys/kern/uipc_mbuf.c:517
m_free(fffffd806c9cba00) at m_free+0x108 sys/kern/uipc_mbuf.c:450
m_freem(fffffd806c9cba00) at m_freem+0x38 sys/kern/uipc_mbuf.c:532
vio_stop(ffff80000019e2a8,1) at vio_stop+0x246 vio_free_rx_mbuf sys/dev/pv/if_vio.c:927 [inline]
vio_stop(ffff80000019e2a8,1) at vio_stop+0x246 vio_rx_drain sys/dev/pv/if_vio.c:1118 [inline]
vio_stop(ffff80000019e2a8,1) at vio_stop+0x246 sys/dev/pv/if_vio.c:702
vio_ioctl(ffff80000019e2a8,80206910,ffff800037810420) at vio_ioctl+0x224
if_downall() at if_downall+0xa0 sys/net/if.c:1717
boot(104) at boot+0x125 sys/arch/amd64/amd64/machdep.c:911
reboot(104) at reboot+0x7b
panic(ffffffff8282b562) at panic+0x179 sys/kern/subr_prf.c:231
kerntrap(ffff8000378105b0) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
lim_cur_proc(ffff80002a6a2028,1) at lim_cur_proc+0x54 sys/kern/kern_resource.c:727
vn_fsizechk(fffffd80684dc548,ffff800037810878,0,ffff800037810710) at vn_fsizechk+0x83 sys/kern/vfs_vnops.c:253
ffs_write(ffff8000378107e0) at ffs_write+0x273 sys/ufs/ffs/ffs_vnops.c:327
VOP_WRITE(fffffd80684dc548,ffff800037810878,0,0) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245
uvn_io(fffffd806986b5c0,ffff800037810a70,a,31,1) at uvn_io+0x37f sys/uvm/uvm_vnode.c:1269
uvn_put(fffffd806986b5c0,ffff800037810a70,a,31) at uvn_put+0xd4 sys/uvm/uvm_vnode.c:926
uvm_pager_put(fffffd806986b5c0,fffffd800641ef00,ffff800037810b08,ffff800037810b40,31,0,e43ae6b7aa303af3) at uvm_pager_put+0x145 sys/uvm/uvm_pager.c:545
uvn_flush(fffffd806986b5c0,0,0,31) at uvn_flush+0x50f sys/uvm/uvm_vnode.c:725
uvm_vnp_sync(ffff8000006c7800) at uvm_vnp_sync+0x16e sys/uvm/uvm_vnode.c:1540
sys_sync(ffff80002a6a2028,0,0) at sys_sync+0x9b sys/kern/vfs_syscalls.c:535
vfs_syncwait(ffff80002a6a2028,1) at vfs_syncwait+0x3b
vfs_shutdown(ffff80002a6a2028) at vfs_shutdown+0x61 sys/kern/vfs_subr.c:1791
boot(100) at boot+0xe0 sys/arch/amd64/amd64/machdep.c:903
reboot(100) at reboot+0x7b
panic(ffffffff8282b562) at panic+0x179 sys/kern/subr_prf.c:231
kerntrap(ffff800037810e20) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
schedclock(ffff80002a6a2028) at schedclock+0x97 sys/kern/sched_bsd.c:567
statclock(ffffffff82cc7bd8,ffff800037811020,0) at statclock+0x1dd sys/kern/kern_clock.c:323
clockintr_dispatch(ffff800037811020) at clockintr_dispatch+0x28f sys/kern/kern_clockintr.c:214
lapic_clockintr(0,0) at lapic_clockintr+0x3a sys/arch/amd64/amd64/lapic.c:482
Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 invpcid machine/cpufunc.h:176 [inline]
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 pmap_tlb_shootpage sys/arch/amd64/amd64/pmap.c:3367 [inline]
pmap_kenter_pa(ffff800034a27000,49c12000,3) at pmap_kenter_pa+0x1a0 sys/arch/amd64/amd64/pmap.c:519
buf_map(fffffd807d7ccc10) at buf_map+0x22d sys/kern/vfs_biomem.c:120
buf_get(0,0,20001004) at buf_get+0x42f sys/kern/vfs_bio.c:1175
geteblk(20001004) at geteblk+0x3c sys/kern/vfs_bio.c:1058
readdisklabel(2902,ffffffff81ea0c80,ffff800000e3ae00,0) at readdisklabel+0x14b sys/arch/amd64/amd64/disksubr.c:96
vndopen(2902,8dcd11c5,2000,ffff80002a6a2028) at vndopen+0x189 sys/dev/vnd.c:204
spec_open(ffff8000378114d8) at spec_open+0x220 sys/kern/spec_vnops.c:150
VOP_OPEN(fffffd806ec2fb58,8dcd11c5,fffffd807f7d7958,ffff80002a6a2028) at VOP_OPEN+0x70 sys/kern/vfs_vops.c:138
vn_open(ffff800037811728,8dcd13c5,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177
doopenat(ffff80002a6a2028,ffffff9c,20000240,8dcd13c4,0,ffff8000378118d0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126
syscall(ffff800037811980) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x19467f8c1f0, count: 204
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 8a8635c2-f252-d190-235a-0f50a6ed73cd
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> 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