[Bug 274810] [regression] FreeBSD 14.0-RC3 crash during early boot on Vultr

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 31 Oct 2023 09:21:34 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274810

--- Comment #8 from schakrabarti@microsoft.com <schakrabarti@microsoft.com> ---
in gen1 this is the dev tree

  acpi0
    pcib0
      vmbus0
        hvet0
        storvsc0
        storvsc1
        hvheartbeat0
        hvkvp0
        hvshutdown0
        hvtimesync0
        storvsc2
        storvsc3
        hvkbd0
        hn0
        pcib1
          pci1
            mlx5_core0
      pci0
        hostb0
        isab0
          isa0
            orm0
            vga0
        atapci0
          ata0
          ata1
        vgapci0
    atdma0
    attimer0
    atrtc0
    atkbdc0
      atkbd0
      psm0
    psmcpnp0
    fpupnp0
    uart0
    uart1
    fdc0
      fd0
    acpi_sysresource0
    acpi_sysresource1
    vmbus_res0

and in gen2

nexus0
  acpi0
    acpi_syscontainer0
      vmbus0
        hvhid0
          hidbus0
            hms0
        hvkbd0
        hvheartbeat0
        hvkvp0
        hvshutdown0
        hvtimesync0
        hn0
        storvsc0
        storvsc1
        pcib0
          pci0
            mlx5_core0
    uart0
    uart1
    vmbus_res0

so both cases vmbus_res0 is present. As this is a pseudo device which has been
made a child of acpi and owns the resources of vmbus.

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