Date: Thu, 07 Feb 2002 10:04:35 -0700 (MST) From: "M. Warner Losh" <imp@village.org> To: non@ever.sanda.gr.jp Cc: current@FreeBSD.ORG Subject: Re: ThinkPad X22 PC-Card slot problem Message-ID: <20020207.100435.29867896.imp@village.org> In-Reply-To: <20020207222625S.non@ever.sanda.gr.jp> References: <20020207091016A.non@ever.sanda.gr.jp> <20020206.193332.02879103.imp@village.org> <20020207222625S.non@ever.sanda.gr.jp>
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In message: <20020207222625S.non@ever.sanda.gr.jp>
non@ever.sanda.gr.jp writes:
: From: "M. Warner Losh" <imp@village.org>
: Date: Wed, 06 Feb 2002 19:33:32 -0700 (MST)
: > Hmmm. This looks ugly. :-( I can't boot with acpi enabled on my Dell
: > Inspiron 8000. I can boot with apm enabled. There are issues with
: > routing interrupts accross PCI PCI bridges at the moment when the
: > slots on the other side of the bridge are in the PIR table.
:
: It turned out that this was not a intterupt routing problem. By
: disabling the memory/port range checks in sys/dev/pci/pci_pci.c solved
: the problem (below is the patch). pci_pci.c claims that both the
: memory adderss for pcic and the PC-Cards are not supported but I could
: use the addresses.
Yes. This is the ISA problem. The checks are there to make sure we
don't assign addresses that aren't decoded by the bridge. However,
the bridge does decode ISA addresses. I need to check into which ISA
stuff a little better before making a fix.
Warner
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