ß[ª\~0†;Té+_G4TÍÞQ.J”{7¡ßêí-#Ë𫻎2‰Ê¬7iæ”e£“>u˜¼øRpanic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk
Starting stack trace...
panic(ffffffff828c0c60) at panic+0x16f sys/kern/subr_prf.c:229
witness_checkorder(fffffd8062403d78,1,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:838
rw_enter_read(fffffd8062403d68) at rw_enter_read+0x87 sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff80002dae5300,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785
uvm_fault_check(ffff80002dae5300,ffff80002dae5338,ffff80002dae5360) at uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672
uvm_fault(fffffd8062403c80,c001e9a000,0,2) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:600
kpageflttrap(ffff80002dae54a0,c001e9a4c0) at kpageflttrap+0x252 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff80002dae54a0) at kerntrap+0xf3 sys/arch/amd64/amd64/trap.c:332
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+0xfb sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x785e6fed35d0, count: 245
End of stack trace.
uvm_fault(0xfffffd8062403c80, 0xc001e9a4c0, 0, 2) -> e
fatal page fault in supervisor mode
trap type 6 code 2 rip ffffffff816d3e07 cs 8 rflags 10246 cr2 c001e9a4c0 cpl 1 rsp ffff80002dae47e0
gsbase 0xffffffff82d41ff0  kgsbase 0x0
panic: trap type 6, code=2, pc=ffffffff816d3e07
Starting stack trace...
panic(ffffffff8289f9ca) at panic+0x16f sys/kern/subr_prf.c:229
kerntrap(ffff80002dae4730) at kerntrap+0x1d7 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+0xfb sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
Xspllower() at Xspllower+0x1d
tsleep(fffffd807a302370,11,ffffffff82934c80,0) at tsleep+0x141 sys/kern/kern_synch.c:144
biowait(fffffd807a302370) at biowait+0x91 sys/kern/vfs_bio.c:1254
bwrite(fffffd807a302370) at bwrite+0x21c sys/kern/vfs_bio.c:766
ffs_update(fffffd8072b39888,1) at ffs_update+0x28b sys/ufs/ffs/ffs_inode.c:111
ffs_truncate(fffffd8072b39888,0,0,ffffffffffffffff) at ffs_truncate+0xa40
ufs_inactive(ffff80002dae4da8) at ufs_inactive+0x157 sys/ufs/ufs/ufs_inode.c:84
VOP_INACTIVE(fffffd805ecf4208,ffff80002a22f570) at VOP_INACTIVE+0xc5 sys/kern/vfs_vops.c:489
vput(fffffd805ecf4208) at vput+0xad sys/kern/vfs_subr.c:779
vn_close(fffffd805ecf4208,2,ffffffffffffffff,ffff80002a22f570) at vn_close+0x82 sys/kern/vfs_vnops.c:294
acct_shutdown() at acct_shutdown+0x6c sys/kern/kern_acct.c:359
vfs_shutdown(ffff80002a22f570) at vfs_shutdown+0x1a sys/kern/vfs_subr.c:1779
boot(100) at boot+0xc5 sys/arch/amd64/amd64/machdep.c:903
reboot(100) at reboot+0x81
panic(ffffffff828c0c60) at panic+0x18f sys/kern/subr_prf.c:231
witness_checkorder(fffffd8062403d78,1,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:838
rw_enter_read(fffffd8062403d68) at rw_enter_read+0x87 sys/kern/kern_rwlock.c:112
uvmfault_lookup(ffff80002dae5300,0) at uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785
uvm_fault_check(ffff80002dae5300,ffff80002dae5338,ffff80002dae5360) at uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672
uvm_fault(fffffd8062403c80,c001e9a000,0,2) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:600
kpageflttrap(ffff80002dae54a0,c001e9a4c0) at kpageflttrap+0x252 sys/arch/amd64/amd64/trap.c:279
kerntrap(ffff80002dae54a0) at kerntrap+0xf3 sys/arch/amd64/amd64/trap.c:332
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+0xfb sys/arch/amd64/amd64/softintr.c:90
Xsoftclock() at Xsoftclock+0x27
end of kernel
end trace frame: 0x785e6fed35d0, count: 225
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 43b93b83-f320-801a-a1ee-23eab263a335
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 $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