Re: bhyve: unhandled inl 0x402

2016-04-29 Thread Craig Rodrigues
On Fri, Apr 29, 2016 at 12:06 PM, Peter Grehan  wrote:

> Hi Craig,
>
> I am seeing this errors in in the latest bhyve code in CURRENT:
>>
>> acpi0:  on motherboard
>> Unhandled inl 0x0402 at 0x8039c2bd
>>
>
>  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.
>
>
John and Jung-uk are investigating, so you may wish to collaborate:
https://lists.freebsd.org/pipermail/freebsd-current/2016-April/060933.html

--
Craig
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Re: bhyve: unhandled inl 0x402

2016-04-29 Thread Peter Grehan

acpi0:  on motherboard
Unhandled inl 0x0402 at 0x8039c2bd


  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.


later,

Peter.

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Re: bhyve: unhandled inl 0x402

2016-04-29 Thread Marcin Cieslak
On Fri, 29 Apr 2016, Peter Grehan wrote:

> Hi Craig,
> 
> > I am seeing this errors in in the latest bhyve code in CURRENT:
> > 
> > acpi0:  on motherboard
> > Unhandled inl 0x0402 at 0x8039c2bd
> 
>  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?

Marcin
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Re: bhyve: unhandled inl 0x402

2016-04-29 Thread Peter Grehan

Hi Craig,


I am seeing this errors in in the latest bhyve code in CURRENT:

acpi0:  on motherboard
Unhandled inl 0x0402 at 0x8039c2bd


 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.


 I'll look into it.

later,

Peter.

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