[Bug 270239] 14-CURRENT is broken on Hyper-V

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 15 Mar 2023 12:48:50 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270239

            Bug ID: 270239
           Summary: 14-CURRENT is broken on Hyper-V
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: gbe@FreeBSD.org

When trying to boot a recent -CURRENT from today on a virtualized environment
the kernel fails to boot.

When using a TCP_BBR enabled kernel the boot hangs at
module htcp already loaded
and when trying to boot a GENERIC kernel the boot hangs at
VT(efifb): resolution 1024x768

I can't post the full dmesg output, but screenshots are attached.

The last working version that works is from Sun Feb 26 10:01:57 CET 2023.

FreeBSD 14.0-CURRENT #7 main-n261141-f8e1aa85fed0: Sun Feb 26 10:01:57 CET 2023
   
root@lion.ttyv0.de:/boiler/nfs/obj/boiler/nfs/src/amd64.amd64/sys/GENERIC-TCP

Any help is much appreciated.

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