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Date:      Thu, 23 Aug 2007 15:24:50 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        "William Grzybowski" <william88@gmail.com>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: msk dev problem with acpi
Message-ID:  <200708231524.51244.jhb@freebsd.org>
In-Reply-To: <632825b40708230435x2b32d73clfcd88b766e171c46@mail.gmail.com>
References:  <632825b40708210457r50b22cf9xd55fa88b569e3b5b@mail.gmail.com> <632825b40708221504oa35fcfbgc02eba47c82eb93b@mail.gmail.com> <632825b40708230435x2b32d73clfcd88b766e171c46@mail.gmail.com>

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On Thursday 23 August 2007 07:35:15 am William Grzybowski wrote:
> On 8/22/07, William Grzybowski <william88@gmail.com> wrote:
> >
> > On 8/22/07, John Baldwin <jhb@freebsd.org> wrote:
> >
> > > On Wednesday 22 August 2007 04:19:38 pm William Grzybowski wrote:
> > > > Hi, i was testing a verbose boot with acpi and without acpi, i noted a
> > > > "requested unsupported memory range" with acpi...
> > >
> > > Yes, this is why your device doesn't work.  Verbose dmesg's for both
> > > cases
> > > would be useful.
> >
> >
> > Hi, i am sending the both verbose dmesg's:
> > http://www.inf.ufpr.br/wg06/dmesg-verbose-acpi.gz
> > http://www.inf.ufpr.br/wg06/dmesg-verbose-noacpi.gz
> >
> > I hope it helps.. tell me if you need anything more
> > thanks all :)
> >
> > --
> > > John Baldwin
> >
> >
> 
> Hi, i just verified it, the links which i gave hadn't the full dmesg, if you
> already saw this links, please, see it again.
> It is more informative :)
> http://www.inf.ufpr.br/wg06/dmesg-verbose-acpi.gz
> http://www.inf.ufpr.br/wg06/dmesg-verbose-noacpi.gz
> 
> Thanks again and sorry for multiple messages and annoying :S

ACPI is clearing the resources in the PCI-PCI bridge (and the msk(4) device), 
presumably during an _INI routine and FreeBSD can't currently cope with that.  
I couldn't really find where in your ASL it clears the BAR.  You can try 
bugging warner losh (imp@).  In this case it should be easier to handle as 
the PCI-PCI bridge has no resources at all, so it should be able to recurse 
up ok.

-- 
John Baldwin



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