Date: Tue, 3 Jan 2012 17:14:40 -0500 From: John Baldwin <jhb@freebsd.org> To: Doug Barton <dougb@freebsd.org> Cc: freebsd-current@freebsd.org, Andriy Gapon <avg@freebsd.org> Subject: Re: ichwd0: unable to reserve GCS registers Message-ID: <201201031714.40777.jhb@freebsd.org> In-Reply-To: <4E38FEE5.4080300@FreeBSD.org> References: <4E23EE49.5040801@FreeBSD.org> <201108021806.04759.jhb@freebsd.org> <4E38FEE5.4080300@FreeBSD.org>
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On Wednesday, August 03, 2011 3:55:17 am Doug Barton wrote: > On 08/02/2011 15:06, John Baldwin wrote: > > On Saturday, July 30, 2011 2:49:52 am Andriy Gapon wrote: > >> on 19/07/2011 18:16 John Baldwin said the following: > >>> Hmm, can you get devinfo -r output from a working kernel with ichwd loaded? > >>> You might be able to just build the kernel with 'nooptions NEW_PCIB'. > >> > >> I believe that I've got a similar problem with amdsbwd(4). > >> It needs some resources (I/O ports) that belong to ACPI. > >> The problem is that the driver attaches to isa bus which is under > >> isab->pci->pcib and those particular resources are not assigned to the Host-PCI > >> bridge. > >> > >> I think that you already made a suggestion that perhaps isa bus should directly > >> attach to acpi bus when acpi is available. Not sure if there are any > >> alternative approaches. > > > > Can you try this: > > Not so much. :) the first and last patches I can apply to HEAD by hand, > but /sys/dev/acpica/acpi_pcib_acpi.c is only 387 lines long, so I'm not > even sure where to start. > > Any chance you could diff against HEAD? I believe this should be fixed (well, worked-around) by my most recent commit to sys/dev/acpica/acpi_pcib_acpi.c in HEAD. -- John Baldwin
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