bhyve: unhandled inl 0x402

Peter Grehan grehan at
Fri Apr 29 21:21:50 UTC 2016

>>> acpi0: <BHYVE BVXSDT> on motherboard
>>> Unhandled inl 0x0402 at 0xffffffff8039c2bd
>>   Hmmm, that's a 4-byte read from the ACPI PM1 control register, which is
>> advertized as being size 2 in the FADT table :( The recent acpica import might
>> be doing this.
> Isn't 0x402 used also as the qemu default debug port?

  The default value for that (isa-debugcon) is 0xe9. Not sure why most o 
doc on the web overrides that with "iobase=0x402", but in any case, the 
inl is from a FreeBSD guest so qemu isn't involved.



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