Linus, any thoughts on this?

> On Tue, 16 Jan 2007 13:32:57 -0800 bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=7836
> 
>            Summary: IOPORT for Cardbus is given in wrong range 0x1000
>     Kernel Version: 2.6.18
>             Status: NEW
>           Severity: normal
>              Owner: greg@kroah.com
>          Submitter: linux@celifornia.com
> 
> 
> Most recent kernel where this bug did *NOT* occur: N/A
> Distribution: Debian Etch
> Hardware Environment: i386 (transmeta crusoe)
> Software Environment: 
> Problem Description: When a 32bit Cardbus (pcmcia) card is in the slot, it will
> get the 1000-10ff range, and it should start at 4000 as its stated in
> include/asm-i386/pci.h
> 
> #define PCIBIOS_MIN_IO          0x1000
> #define PCIBIOS_MIN_MEM         (pci_mem_start)
> 
> #define PCIBIOS_MIN_CARDBUS_IO  0x4000
> 
> Now, if I changed the PCIBIOS_MIN_IO to 0x4000 and recompiled the kernel, it
> worked fine.
> 
> 
> Steps to reproduce:
> 
> Take a Vaio laptop, load the sonypi module, place a 32bit PCMCIA (cardbus) card
> in the slot, and there you are.
> 
> I did my tests on a Vaio PCG-U1 laptop.
> 
> The only thing (that I found so far) it bothered was the Sonypi module, which
> loads itself with IOPORTS 1080-109f, and this blows it away when a 32bit Cardbus
> card is in the yenta slot. When the card it ejected, sonypi immediately starts
> to work.
> 
> /proc/ioports with bad kernel:
> 
> 0000-001f : dma1
> 0020-0021 : pic1
> 0040-0043 : timer0
> 0050-0053 : timer1
> 0060-006f : keyboard
> 0070-0077 : rtc
> 0080-008f : dma page reg
> 00a0-00a1 : pic2
> 00c0-00df : dma2
> 00f0-00ff : fpu
> 01f0-01f7 : ide0
> 0370-0371 : pnp 00:08
> 03c0-03df : vga+
> 03f6-03f6 : ide0
> 040b-040b : pnp 00:08
> 0480-048f : pnp 00:08
> 04d0-04d1 : pnp 00:08
> 04d6-04d6 : pnp 00:08
> 0cf8-0cff : PCI conf1
> 1000-10ff : PCI CardBus #01
>   1080-109f : Sony Programable I/O Device
> 1400-14ff : 0000:00:06.0
>   1400-14ff : ALI 5451
> 1800-18ff : 0000:00:0b.0
>   1800-18ff : 8139too
> 1c00-1cff : 0000:00:0c.0
> 2000-200f : 0000:00:10.0
>   2000-2007 : ide0
>   2008-200f : ide1
> 2400-24ff : PCI CardBus #01
> 8000-803f : 0000:00:11.0
>   8000-803f : motherboard
>     8000-8003 : ACPI PM1a_EVT_BLK
>     8008-800b : ACPI PM_TMR
>     8010-8015 : ACPI CPU throttle
>     8018-8027 : ACPI GPE0_BLK
>     8030-8030 : ACPI PM2_CNT_BLK
> 8040-805f : 0000:00:11.0
>   8040-805f : motherboard
>     8040-805f : ali1535_smbus
> 8084-8087 : motherboard
>   8086-8087 : ACPI PM1a_CNT_BLK
> 
> 
> And with the modified pci.h
> 
> 0000-001f : dma1
> 0020-0021 : pic1
> 0040-0043 : timer0
> 0050-0053 : timer1
> 0060-006f : keyboard
> 0070-0077 : rtc
> 0080-008f : dma page reg
> 00a0-00a1 : pic2
> 00c0-00df : dma2
> 00f0-00ff : fpu
> 01f0-01f7 : ide0
> 0370-0371 : pnp 00:08
> 03c0-03df : vga+
> 03f6-03f6 : ide0
> 040b-040b : pnp 00:08
> 0480-048f : pnp 00:08
> 04d0-04d1 : pnp 00:08
> 04d6-04d6 : pnp 00:08
> 0cf8-0cff : PCI conf1
> 1080-109f : Sony Programable I/O Device
> 1400-140f : 0000:00:10.0
>   1400-1407 : ide0
>   1408-140f : ide1
> 1800-18ff : 0000:00:06.0
>   1800-18ff : ALI 5451
> 1c00-1cff : 0000:00:0b.0
>   1c00-1cff : 8139too
> 2000-20ff : 0000:00:0c.0
> 4000-40ff : PCI CardBus #01
> 4400-44ff : PCI CardBus #01
> 8000-803f : 0000:00:11.0
>   8000-803f : motherboard
>     8000-8003 : ACPI PM1a_EVT_BLK
>     8008-800b : ACPI PM_TMR
>     8010-8015 : ACPI CPU throttle
>     8018-8027 : ACPI GPE0_BLK
>     8030-8030 : ACPI PM2_CNT_BLK
> 8040-805f : 0000:00:11.0
>   8040-805f : motherboard
>     8040-805f : ali1535_smbus
> 8084-8087 : motherboard
>   8086-8087 : ACPI PM1a_CNT_BLK
> 
> Credit for this fix goes to Stelian Pop, maintainer of Sonypi. Thanks Stelian.
> 
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Le mardi 16 janvier 2007 

Benedek, do you still see this?  I vaguely remember some changes in this area fairly recently...