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Subject: IBM Thinkpad G41 PCMCIA problems [Was: Yenta TI: ... no PCI
	interrupts. Fish. Please report.]
From: Steven Rostedt <rostedt@goodmis.org>
To: LKML <linux-kernel@vger.kernel.org>
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Organization: Kihon Technologies
Date: Sat, 19 Feb 2005 19:22:51 -0500
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Sorry for the repost, but I figured I might get the attention of someone
that has an IBM Thinkpad G41 with the updated subject.

--------------------------

Hi everyone,

I've been banging my head on this one a couple of days with no luck. 

I have a IBM Thinkpad G41 with a pentium4M with Hyperthreading.  I can't
get the PCMCIA working at all.  I've tried turning off hyperthreading,
I've tried with and without preempt, I've even added pci=noacpi. I've
added Len's ACPI patches, but nothing works.

Here's lspci -vvv: 

0000:00:00.0 Host bridge: Intel Corp. 82852/855GM Host Bridge (rev 02)
        Subsystem: IBM: Unknown device 0579
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort+ >SERR- <PERR-
        Latency: 0
        Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
        Capabilities: <available only to root>

0000:00:00.1 System peripheral: Intel Corp. 855GM/GME GMCH Memory I/O Control Registers (rev 02)
        Subsystem: IBM: Unknown device 057a
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
        Latency: 0

0000:00:00.3 System peripheral: Intel Corp. 855GM/GME GMCH Configuration Process Registers (rev 02)
        Subsystem: IBM: Unknown device 057b
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
        Latency: 0

0000:00:01.0 PCI bridge: Intel Corp. 855GME GMCH Host-to-AGP Bridge (Virtual PCI-to-PCI) (rev 02) (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
        Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
        Latency: 96
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: c1000000-c1ffffff
        Prefetchable memory behind bridge: e0000000-efffffff
        BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-


[ ... USB controllers snipped out ... ]

0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 81) (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR+
        Latency: 0
        Bus: primary=00, secondary=02, subordinate=08, sec-latency=168
        I/O behind bridge: 00003000-00006fff
        Memory behind bridge: c2000000-cfffffff
        Prefetchable memory behind bridge: f0000000-f7ffffff
        BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-

0000:00:1f.0 ISA bridge: Intel Corp. 82801DBM LPC Interface Controller (rev 01)
        Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 0

[ ... snipped out IDE Bridge controllers too ... ]

0000:00:1f.3 SMBus: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01)
        Subsystem: IBM: Unknown device 0547
        Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Interrupt: pin B routed to IRQ 11
        Region 4: I/O ports at 1880 [size=32]

[ ... snipped audio VGA NVidia and Ethernet controllers ... ]

0000:02:01.0 CardBus bridge: Texas Instruments PCI1520 PC card Cardbus Controller (rev 01)
        Subsystem: IBM ThinkPad T30/T40
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 168, Cache Line Size: 0x20 (128 bytes)
        Interrupt: pin A routed to IRQ 177
        Region 0: Memory at 3fefb000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=02, secondary=03, subordinate=06, sec-latency=176
        Memory window 0: 40000000-403ff000 (prefetchable)
        Memory window 1: 40400000-407ff000
        I/O window 0: 00004000-000040ff
        I/O window 1: 00004400-000044ff
        BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
        16-bit legacy interface ports at 0001

0000:02:01.1 CardBus bridge: Texas Instruments PCI1520 PC card Cardbus Controller (rev 01)
        Subsystem: IBM ThinkPad T30/T40
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 168, Cache Line Size: 0x20 (128 bytes)
        Interrupt: pin B routed to IRQ 185
        Region 0: Memory at 3fefc000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=02, secondary=07, subordinate=0a, sec-latency=176
        Memory window 0: 40800000-40bff000 (prefetchable)
        Memory window 1: 40c00000-40fff000
        I/O window 0: 00004800-000048ff
        I/O window 1: 00004c00-00004cff
        BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt- PostWrite+
        16-bit legacy interface ports at 0001



The above is probably more than anyone needs, but if I should show the
whole listing (USB, Audio and all), just let me know and I can post all
of it too.


And here's the dmesg:

Linux Kernel Card Services
  options:  [pci] [cardbus] [pm]
ACPI: PCI interrupt 0000:02:01.0[A] -> GSI 20 (level, low) -> IRQ 177
Yenta: CardBus bridge found at 0000:02:01.0 [1014:0512]
Yenta: Using INTVAL to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:02:01.0, mfunc 0x01001c22, devctl 0x64
Yenta TI: socket 0000:02:01.0 probing PCI interrupt failed, trying to fix
Yenta TI: socket 0000:02:01.0 no PCI interrupts. Fish. Please report.
Yenta: ISA IRQ mask 0x0000, PCI irq 0
Socket status: ffffffff
ACPI: PCI interrupt 0000:02:01.1[B] -> GSI 21 (level, low) -> IRQ 185
Yenta: CardBus bridge found at 0000:02:01.1 [1014:0512]
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:02:01.1, mfunc 0x01001c22, devctl 0x64
Yenta TI: socket 0000:02:01.1 probing PCI interrupt failed, trying to fix
Yenta TI: socket 0000:02:01.1 no PCI interrupts. Fish. Please report.
Yenta: ISA IRQ mask 0x0000, PCI irq 0
Socket status: 4410080c

(the above is from kernel.org 2.6.10 with Len's ACPI patches).

I've tried this with Debian stock kernels: 2.4.27-1-386, 2.6.8-2-686,
2.6.9-1-686, 2.6.10-1-686-smp

I've also tried kernel.org kernels with 2.6.9, 2.6.10 and
2.6.11-rc3-mm2.  As I've mentioned, I've added Len's ACPI patches to
2.6.10 and still nothing works. I've tried disable_clkrun but still
nothing. I've found a couple of other patches on the net and nothing
works.

I've tried debugging this but PCMCIA is not my strong spot, so all I can
tell you is that the interrupt never comes in when Yenta probes it. 

Does anyone else out there have a IBM Thinkpad G41 and have this
working? Or, do you have it and it is not working.  I get no power to
the PCMCIA card slots, so they are basically useless now.

Any ideas would be appreciated.

Thanks,

-- Steve


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