[ 507.6043676] fatal page fault in supervisor mode
[ 507.6172409] trap type 6 code 0x2 rip 0xffffffff8022bf8c cs 0x8 rflags 0x10246 cr2 0 ilevel 0 rsp 0xffffd6016ef8fae8
[ 507.6308470] curlwp 0xffffd60012fbe540 pid 17592.3 lowest kstack 0xffffd6016ef882c0
[ 507.6392232] panic: trap
[ 507.6392232] cpu0: Begin traceback...
[ 507.6392232] vpanic() at netbsd:vpanic+0x214
[ 507.6600850] snprintf() at netbsd:snprintf
[ 507.6600850] startlwp() at netbsd:startlwp
[ 507.6722204] alltraps() at netbsd:alltraps+0xad
[ 507.6823772] do_sys_accept() at netbsd:do_sys_accept+0x2f4
[ 507.6935295] sys_accept() at netbsd:sys_accept+0xac
[ 507.7047276] sys___syscall() at netbsd:sys___syscall+0xe2
[ 507.7159194] syscall() at netbsd:syscall+0x348
[ 507.7279151] --- syscall (number 198) ---
[ 507.7381152] 73d38703f4aa:
[ 507.7381152] cpu0: End traceback...

[ 507.7381152] dumping to dev 4,1 (offset=0, size=0): not possible
[ 507.7381152] rebooting...
SeaBIOS (version 1.8.2-20190308_060531-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
CPUs found: 2     Max CPUs supported: 2
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 0x000f29d0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.10 (Tue Jul 17 14:59:51 UTC 2018) (from NetBSD 8.0)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Disable ACPI
     4. Disable ACPI and SMP
     5. Drop to boot prompt