Date: Wed, 03 Aug 2011 12:49:24 +0400 From: Test Rat <ttsestt@gmail.com> 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: <86wreuriaz.fsf@gmail.com> References: <4E23EE49.5040801@FreeBSD.org> <201107191116.07116.jhb@freebsd.org> <4E33A990.7040006@FreeBSD.org> <201108021806.04759.jhb@freebsd.org> <4E38FEE5.4080300@FreeBSD.org>
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Doug Barton <dougb@FreeBSD.org> writes: > 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. $ svn cat svn://svn.freebsd.org/base/head/sys/dev/acpica/acpi_pcib_acpi.c | wc -l 531 No difference here on ICH9, ichwd(4) still doesn't attach.
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