[Bug 253358] 13.0-BETA1: Complete system hang on ThinkPad X1 Carbon Gen7

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253358

            Bug ID: 253358
           Summary: 13.0-BETA1: Complete system hang on ThinkPad X1 Carbon
                    Gen7
           Product: Base System
           Version: 13.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs at FreeBSD.org
          Reporter: sreeharisreedev1 at gmail.com

I just installed 13.0-BETA1 on my ThinkPad with mostly default options (wifi
connectivity, zfs root), and during the bootup right after installation the
system just hangs completely with absolutely no warning or any indication other
than the system not responding to anything. I also tried 13.0-BETA1 yesterday
and even went as far as installing sway and firefox, but that crashed during
usage too and I was suspecting some wayland or graphics bug so today I did a
clean install and it crashed even without drm-kmod installation so I think
that's ruled out. All I know now is that these system crashes are completely
random and can happen at any time or just not happen at all possibly. Way back
in the past I've even tried booting 13.0-CURRENT on this machine but it had
this exact same issue of random crashes, and I just assumed that was something
to do with running pre release software (I'm no expert on FreeBSD). I have an
upload to bsd-hardware.info from yesterday available here:
http://bsd-hardware.info/?probe=77e80759a0. In addition, I made a new hw-probe
today available here (in case there's any real difference, I have no clue):
http://bsd-hardware.info/?probe=8d1c80c2cb. I made this upload on a second boot
without running into a complete system hang, though it might just happen later.
Again I've got absolutely no clue what could be causing the system crash since
I don't even get an error. It seems even SSH connections to the laptop hang, so
it's not just a graphics bug or something as far as I know.

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