[Bug 265266] Random sudden reboots laptop running FreeBSD

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265266

            Bug ID: 265266
           Summary: Random sudden reboots laptop running FreeBSD
           Product: Base System
           Version: 13.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: jiangjun12321@gmail.com

Hi, I experience some random reboots of my laptop running FreeBSD 13.1-RELEASE.
It happens when I was running 13.0 RELEASE too as I recall. I didn't notice any
pattern, sometimes I unplug second monitor, sometimes I close mpv player. I
only notices the LED for hard disk keeps on and then machine go into a sudden
reboot. There is no normal shutdown process, machine turns off as if power is
cut off and then instantly boot up.

I find /var/crash/core.txt.1 and /var/crash/info.1 for a crash this time:

% cat /var/crash/core.txt.1 
'version' has unknown type; cast it to its declared type
'version' has unknown type; cast it to its declared type
Unable to find matching kernel for /var/crash/vmcore.1

% doas cat /var/crash/info.1
Dump header from device: /dev/ada0s4b
  Architecture: amd64
  Architecture Version: 2
  Dump Length: 970711040
  Blocksize: 512
  Compression: none
  Dumptime: 2022-07-15 22:34:53 +0000
  Hostname: freebsd.asus
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 13.1-RELEASE releng/13.1-n250148-fc952ac2212 GENERIC
  Panic String: vm_fault_lookup: fault on nofault entry, addr:
0xfffffe00acd87000
  Dump Parity: 3347612783
  Bounds: 1
  Dump Status: good

There is also a /var/crash/vmcore.1 file but it's over 900M and impossible to
upload here as an attachment file. I will add a link as soon as I find a place
to share.

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