Re: 2.6.17-rc[56]-mm*: pcmcia "I/O resource not free"

[Andrew Morton]

On Thu, 15 Jun 2006 09:28:59 -0700
Andy Isaacson <adi@xxxxxxxxxxxxx> wrote:

> The PCMCIA slot on my Thinkpad X40 stopped working sometime between
> 2.6.17-rc4-mm3 and 2.6.17-rc5-mm3, and is still not working as of
> 2.6.17-rc6-mm2.  There's one diff early in dmesg that looks interesting:
> 
>  ACPI: PCI Interrupt 0000:00:1f.6[B] -> GSI 17 (level, low) -> IRQ 177
>  PCI: Setting latency timer of device 0000:00:1f.6 to 64
>  MC'97 1 converters and GPIO not ready (0xff00)
>  PM: Adding info for ac97:1-1:unknown codec
> -ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 169
>  Yenta: CardBus bridge found at 0000:02:00.0 [1014:0555]
> -Yenta: ISA IRQ mask 0x04b8, PCI irq 169
> +Yenta: ISA IRQ mask 0x0cb8, PCI irq 169
>  Socket status: 30000006
>  pcmcia: parent PCI bridge I/O window: 0x3000 - 0x7fff
>  cs: IO port probe 0x3000-0x7fff: clean.
>  pcmcia: parent PCI bridge Memory window: 0xd0200000 - 0xdfffffff
>  pcmcia: parent PCI bridge Memory window: 0xf0000000 - 0xf7ffffff
> 
> Then when I insert the card, instead of
> 
>  pccard: PCMCIA card inserted into slot 0
>  cs: memory probe 0xf0000000-0xf7ffffff: excluding 0xf0000000-0xf7ffffff
>  cs: memory probe 0xd0200000-0xdfffffff: excluding 0xd0200000-0xd11fffff
>     0xd1a00000-0xd41fffff 0xd4a00000-0xd51fffff 0xd5a00000-0xd61fffff
>     0xd6a00000-0xd71fffff 0xd7a00000-0xd81fffff 0xd8a00000-0xd91fffff
>     0xd9a00000-0xda1fffff 0xdaa00000-0xdb1fffff 0xdba00000-0xdc1fffff
>     0xdca00000-0xdd1fffff 0xdda00000-0xde1fffff 0xdea00000-0xdf1fffff
>     0xdfa00000-0xe01fffff
>  pcmcia: registering new device pcmcia0.0
>  PM: Adding info for pcmcia:0.0
> -Probing IDE interface ide2...
> -hde: CF Card, CFA DISK drive
> -PM: Adding info for No Bus:ide2
> -hdf: probing with STATUS(0x50) instead of ALTSTATUS(0x0a)
> 
> I get
> 
>  pccard: PCMCIA card inserted into slot 0
>  cs: memory probe 0xf0000000-0xf7ffffff: excluding 0xf0000000-0xf7ffffff
>  cs: memory probe 0xd0200000-0xdfffffff: excluding 0xd0200000-0xd11fffff
>      0xd1a00000-0xd41fffff 0xd4a00000-0xd51fffff 0xd5a00000-0xd61fffff
>      0xd6a00000-0xd71fffff 0xd7a00000-0xd81fffff 0xd8a00000-0xd91fffff
>      0xd9a00000-0xda1fffff 0xdaa00000-0xdb1fffff 0xdba00000-0xdc1fffff
>      0xdca00000-0xdd1fffff 0xdda00000-0xde1fffff 0xdea00000-0xdf1fffff
>      0xdfa00000-0xe01fffff
>  pcmcia: registering new device pcmcia0.0
>  PM: Adding info for pcmcia:0.0
> +ide2: I/O resource 0xF8A8A00E-0xF8A8A00E not free.
> +ide2: ports already in use, skipping probe
> +ide2: I/O resource 0xF8A8A01E-0xF8A8A01E not free.
> +ide2: ports already in use, skipping probe
> +ide2: I/O resource 0xF8A8A00E-0xF8A8A00E not free.
> +ide2: ports already in use, skipping probe
> 
> With 2.6.17-rc6-mm2 I have
> 
>            CPU0       
>   0:     188343   IO-APIC-edge     timer
>   1:       2685   IO-APIC-edge     i8042
>   9:        393   IO-APIC-fasteoi  acpi
>  12:      17840   IO-APIC-edge     i8042
>  14:       4616   IO-APIC-edge     ide0
> 169:          1   IO-APIC-fasteoi  uhci_hcd:usb1, yenta
> 177:          0   IO-APIC-fasteoi  Intel 82801DB-ICH4, Intel 82801DB-ICH4 Modem
> 185:          0   IO-APIC-fasteoi  uhci_hcd:usb3
> 193:          0   IO-APIC-fasteoi  uhci_hcd:usb2
> 201:          0   IO-APIC-fasteoi  ehci_hcd:usb4
> 209:       2524   IO-APIC-fasteoi  eth0
> 217:      43647   IO-APIC-fasteoi  ipw2200
> NMI:          0 
> LOC:     175985 
> ERR:          0
> MIS:          0
> 
> The card I'm trying to use is a "PQI Compact Flash Adapter", which
> appears to just be some wires connecting the PCMCIA pins to the CF pins.
> The CF card is a "TwinMOS Ultra-X 140X 1GB" card, part number
> FCF1GBUPS-K W543F5TM0832.
> 
> dmesgs at
> 
> http://web.hexapodia.org/~adi/tmp/dmesg.2.6.17-rc4-mm3.txt
> http://web.hexapodia.org/~adi/tmp/dmesg.2.6.17-rc6-mm2.txt
> 

hm.   I don't know who to blame for this yet ;)

The contents of /proc/ioports on both kernels might be useful.  Let's see
which device+driver is already using those ports, and whether the older
kenrel uses the same addresses.


Thanks.
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