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Date: Wed, 22 Sep 2004 16:36:32 -0700
From: Nate Lawson <nate@root.org>
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To: "M. Warner Losh" <imp@bsdimp.com>
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cc: freebsd-current@freebsd.org
cc: ast@marabu.ch
cc: johan@freebsd.org
Subject: Re: 5.3-BETA5 panics when inserting dc0 carbus card (only with ACPI
 enabled) enabled)
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M. Warner Losh wrote:
> In message: <4151DA08.6010602@root.org>
>             Nate Lawson <nate@root.org> writes:
> : Um, what is the dc0 card doing mapping ports 0-0xff:
> : 
> : Below the analogous output Johan Karlsson <johan@freebsd.org> posted
> : for his Xircom X3201 10/100BaseTX card for 5.3-BETA5:
> : 
> : dc0: <Netgear FA511 10/100BaseTX> port 0-0xff mem 0x88000000-0x880003ff 
> : at device 0.0 on cardbus0
> : cbb alloc res fail
> : dc0: couldn't map ports/memory
> : 
> : Dmesg from boot with a working kernel for dc0 would help as well as 
> : devinfo -r from a non-working one.
> 
> Is there a pci bridge involved?  It is a well known problem for
> cardbus systems that if there isn't, you get mappings like this.

I don't know, but it looks like cbb0 is directly under pci0.  Here's the 
devinfo -r results from his working boot:

     pcib0
       pci0
         pcib1
           pci1
         cbb0
             Interrupt request lines:
                 0xb
             I/O memory addresses:
                 0x50000000-0x50000fff
           cardbus0
           pccard0
         cbb1
             I/O memory addresses:
                 0x50100000-0x50100fff
           cardbus1
           pccard1

I can't see how ACPI sysresources affect this since ACPI doesn't claim 
0x1080-0x10ff IO which the card asks for.

-- 
Nate