[ 3628.1599625] fatal page fault in supervisor mode
[ 3628.1735458] trap type 6 code 0x2 rip 0xffffffff8022bf8c cs 0x8 rflags 0x10246 cr2 0 ilevel 0 rsp 0xffff92016ed37ae8
[ 3628.1871286] curlwp 0xffff920012fce100 pid 29386.2 lowest kstack 0xffff92016ed302c0
[ 3628.1871286] panic: trap
[ 3628.2007120] cpu1: Begin traceback...
[ 3628.2142973] vpanic() at netbsd:vpanic+0x214
[ 3628.2142973] snprintf() at netbsd:snprintf
[ 3628.2278814] startlwp() at netbsd:startlwp
[ 3628.2414644] alltraps() at netbsd:alltraps+0xad
[ 3628.2550460] do_sys_accept() at netbsd:do_sys_accept+0x2f4
[ 3628.2686284] sys_accept() at netbsd:sys_accept+0xac
[ 3628.2822157] sys___syscall() at netbsd:sys___syscall+0xe2
[ 3628.2957963] syscall() at netbsd:syscall+0x348
[ 3628.3093800] --- syscall (number 198) ---
[ 3628.3093800] 7f5a20a3f4aa:
[ 3628.3093800] cpu1: End traceback...

[ 3628.3229641] dumping to dev 4,1 (offset=0, size=0): not possible
[ 3628.3229641] 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