Re: libata and legacy ide pcmcia failure

[Robert de Rooy]

Alan Cox wrote:
> > >   http://thread.gmane.org/gmane.linux.kernel/530099
> > >
> > > It seems we're losing interrupts from the CFA device.  Any ideas?
> > >       
> > Alan probably knows more, but ISTR some CFA PCMCIA devices that needed 
> > polling...
> >     
>
> Not that I know of. Not devices anyway - there are embedded boxes with no
> IRQ configuration for the CF slot but we've never supported those (indeed
> there are even people who bitbang ATA on GPIO pins...)
>
>   
So my understanding is, that although some issues with the libata pcmcia 
code where found, the latest issue is a pure pcmcia issue?
Anything I can supply or test to further narrow down the problem?
I have already posted lspci -vxxx and full dmesg log to the linux-kernel 
list, but here are some select pieces of it....

Yenta: CardBus bridge found at 0000:02:00.0 [1014:0552]
Yenta: Using INTVAL to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:02:00.0, mfunc 0x01d21b22, devctl 0x64
Yenta: ISA IRQ mask 0x04b8, PCI irq 11
Socket status: 30000086
pcmcia: parent PCI bridge I/O window: 0x4000 - 0x8fff
cs: IO port probe 0x4000-0x8fff: clean.
pcmcia: parent PCI bridge Memory window: 0xc0200000 - 0xcfffffff
pcmcia: parent PCI bridge Memory window: 0xe8000000 - 0xefffffff
PM: Adding info for No Bus:pcmcia_socket0
Yenta: CardBus bridge found at 0000:02:00.1 [1014:0552]
Yenta: Using INTVAL to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:02:00.1, mfunc 0x01d21b22, devctl 0x64
Yenta: ISA IRQ mask 0x04b8, PCI irq 11
Socket status: 30000086
pcmcia: parent PCI bridge I/O window: 0x4000 - 0x8fff
cs: IO port probe 0x4000-0x8fff: clean.
pcmcia: parent PCI bridge Memory window: 0xc0200000 - 0xcfffffff
pcmcia: parent PCI bridge Memory window: 0xe8000000 - 0xefffffff
PM: Adding info for No Bus:pcmcia_socket1

cs: IO port probe 0x100-0x3af: clean.
cs: IO port probe 0x3e0-0x4ff: excluding 0x4d0-0x4d7
cs: IO port probe 0x820-0x8ff: clean.
cs: IO port probe 0xc00-0xcf7 clean.
cs: IO port probe 0xa00-0xaff: clean.
cs: IO port probe 0x100-0x3af: clean.
cs: IO port probe 0x3e0-0x4ff: excluding 0x4d0-0x4d7
cs: IO port probe 0x820-0x8ff: clean.
cs: IO port probe 0xc00-0xcf7: clean.
cs: IO port probe 0xa00-0xaff: clean.

02:00.0 CardBus bridge: Texas Instruments PCI4520 PC card Cardbus 
Controller (rev 01)

       Subsystem: IBM Unknown device 0552
       Flags: bus master, medium devsel, latency 168, IRQ 11
       Memory at b0000000 (32-bit, non-prefetchable) [size=4K]
       Bus: primary=02, secondary=03, subordinate=06, sec-latency=176
       Memory window 0: e8000000-ebfff000 (prefetchable)
       Memory window 1: c4000000-c7fff000
       I/O window 0: 00004000-000040ff
       I/O window 1: 00004400-000044ff
       16-bit legacy interface ports at 0001
00: 4c 10 46 ac 07 00 10 02 01 00 07 06 20 a8 82 00
10: 00 00 00 b0 a0 00 00 02 02 03 06 b0 00 00 00 e8
20: 00 f0 ff eb 00 00 00 c4 00 f0 ff c7 00 40 00 00
30: fc 40 00 00 00 44 00 00 fc 44 00 00 0b 01 c0 05
40: 14 10 52 05 01 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 71 d0 40 08 00 00 0a 04 00 00 0f 00 22 1b d2 01
90: c0 02 64 41 00 00 00 00 00 00 00 00 00 00 00 00
a0: 01 00 12 fe 00 00 c0 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

02:00.1 CardBus bridge: Texas Instruments PCI4520 PC card Cardbus 
Controller (rev 01)
       Subsystem: IBM Unknown device 0552
       Flags: bus master, medium devsel, latency 168, IRQ 11
       Memory at b1000000 (32-bit, non-prefetchable) [size=4K]
       Bus: primary=02, secondary=07, subordinate=07, sec-latency=176
       Memory window 0: ec000000-effff000 (prefetchable)
       Memory window 1: c8000000-cbfff000
       I/O window 0: 00004800-000048ff
       I/O window 1: 00004c00-00004cff
       16-bit legacy interface ports at 0001
00: 4c 10 46 ac 07 00 10 02 01 00 07 06 20 a8 82 00
10: 00 00 00 b1 a0 00 00 02 02 07 07 b0 00 00 00 ec
20: 00 f0 ff ef 00 00 00 c8 00 f0 ff cb 00 48 00 00
30: fc 48 00 00 00 4c 00 00 fc 4c 00 00 0b 02 c0 05
40: 14 10 52 05 01 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 71 d0 40 08 00 00 0a 04 00 00 0f 00 22 1b d2 01
90: c0 02 64 41 00 00 00 00 00 00 00 00 00 00 00 00
a0: 01 00 12 fe 00 00 c0 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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