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Date:      Fri, 29 Apr 2016 17:01:46 -0400
From:      Jung-uk Kim <jkim@FreeBSD.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        freebsd-current@freebsd.org, jenkins-admin@freebsd.org, Kurt Lidl <lidl@pix.net>
Subject:   Re: Build failed in Jenkins: FreeBSD_HEAD #220
Message-ID:  <00078caa-226f-77ec-a847-030789483f74@FreeBSD.org>
In-Reply-To: <4410839.umQIpSnpkP@ralph.baldwin.cx>
References:  <1930955076.5.1461942541071.JavaMail.jenkins@jenkins-9.freebsd.org> <2006579037.6.1461956321731.JavaMail.jenkins@jenkins-9.freebsd.org> <4410839.umQIpSnpkP@ralph.baldwin.cx>

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From: Jung-uk Kim <jkim@FreeBSD.org>
To: John Baldwin <jhb@freebsd.org>
Cc: freebsd-current@freebsd.org, jenkins-admin@freebsd.org,
 Kurt Lidl <lidl@pix.net>
Message-ID: <00078caa-226f-77ec-a847-030789483f74@FreeBSD.org>
Subject: Re: Build failed in Jenkins: FreeBSD_HEAD #220
References: <1930955076.5.1461942541071.JavaMail.jenkins@jenkins-9.freebsd.org>
 <2006579037.6.1461956321731.JavaMail.jenkins@jenkins-9.freebsd.org>
 <4410839.umQIpSnpkP@ralph.baldwin.cx>
In-Reply-To: <4410839.umQIpSnpkP@ralph.baldwin.cx>

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On 04/29/16 04:02 PM, John Baldwin wrote:
> On Friday, April 29, 2016 06:58:41 PM jenkins-admin@FreeBSD.org wrote:
>> See <https://jenkins.FreeBSD.org/job/FreeBSD_HEAD/220/>;
=2E..
>> Unhandled inl 0x0402 at 0xffffffff8039c2bd
>=20
> This is a read of the PM1 enable register.  In bhyve this is treated as=
 a 16-bit
> register, so only inw/outw is permitted.
>=20
> Hmm, PM1a is defined as 16-bits in the spec, so this seems to be an err=
or in
> the recent ACPICA import.  I note that the bitwidth calculations change=
d in
> hwregs.c in the most recent import.  Perhaps those are incorrect?
>=20
> I suspect that this might also explain the issue Kurt Lidl reported of =
a VM
> shutting down after spewing errors related to FixedEvents and GPEs.

Unfortunately, there were too many recent upstream commits to this file. =
:-(

At least, we should take a closer look at the following commits:

https://github.com/acpica/acpica/commit/6cb97888
https://github.com/acpica/acpica/commit/3d8583a0
https://github.com/acpica/acpica/commit/48eea5e7
https://github.com/acpica/acpica/commit/41f6aefa
https://github.com/acpica/acpica/commit/c23034a3
https://github.com/acpica/acpica/commit/c49a751b

Jung-uk Kim


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