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Re: satalink at cardbus
> > OK, I've found something a little disturbing: when the card is
> > inserted after the system boots up, everything is fine. If the card
> > is present at boot time, however, I get an NMI and a drop into the
> > debugger. If I continue, then everything works as mostly normal - but
> > there's sometimes a hang during reboot.
>
> It looks like you have an O2 Micro CardBus bridge. O2 Micro bridges will
> spuriously indicate a bus error if parity-error detection is activated.
> The error should be apparent in the pcictl(8) dump of the bridge.
> I will commit a patch to treat your particular bridge (vendor 0x1217
> product 0x7223), soon.
This is borne out by the fact that this behavior only happens on one
machine I have - and that I get the same behavior after insertion of
the card and also trying to access any of the connected drives.
Here's the pcictl dump.
PCI configuration registers:
Common header:
0x00: 0x72231217 0x441001c7 0x06070000 0x00824000
Vendor Name: O2 Micro (0x1217)
Device ID: 0x7223
Command register: 0x01c7
I/O space accesses: on
Memory space accesses: on
Bus mastering: on
Special cycles: off
MWI transactions: off
Palette snooping: off
Parity error checking: on
Address/data stepping: on
System error (SERR): on
Fast back-to-back transactions: off
Interrupt disable: off
Status register: 0x4410
Capability List support: on
66 MHz capable: off
User Definable Features (UDF) support: off
Fast back-to-back capable: off
Data parity error detected: off
DEVSEL timing: slow (0x2)
Slave signaled Target Abort: off
Master received Target Abort: off
Master received Master Abort: off
Asserted System Error (SERR): on
Parity error detected: off
Class Name: bridge (0x06)
Subclass Name: CardBus (0x07)
Interface: 0x00
Revision ID: 0x00
BIST: 0x00
Header Type: 0x02+multifunction (0x82)
Latency Timer: 0x40
Cache Line Size: 0x00
Type 2 (PCI-CardBus bridge) header:
0x10: 0x90100000 0x020000a0 0x20030302 0x40000000
0x20: 0x40000000 0xfffff000 0x00000000 0x00004301
0x30: 0x00004f05 0x00005301 0x00005301 0x0403010a
0x40: 0x0890103c 0x00000001
Base address register at 0x10 (CardBus socket/ExCA registers)
type: 32-bit nonprefetchable memory
base: 0x90100000, not sized
Capability list pointer: 0xa0
Secondary status register: 0x0200
66 MHz capable: off
User Definable Features (UDF) support: off
Fast back-to-back capable: off
Data parity error detection: off
DEVSEL timing: medium (0x1)
PCI target aborts terminate CardBus bus master transactions: off
CardBus target aborts terminate PCI bus master transactions: off
Bus initiator aborts terminate initiator transactions: off
System error: off
Parity error: off
PCI bus number: 0x02
CardBus bus number: 0x03
Subordinate bus number: 0x03
CardBus latency timer: 0x20
CardBus memory region 0:
base register: 0x40000000
limit register: 0x40000000
CardBus memory region 1:
base register: 0xfffff000
limit register: 0x00000000
CardBus I/O region 0:
base register: 0x00004301
limit register: 0x00004f05
CardBus I/O region 1:
base register: 0x00005301
limit register: 0x00005301
Interrupt line: 0x0a
Interrupt pin: 0x01 (pin A)
Bridge control register: 0x0403
Parity error response: on
CardBus SERR forwarding: on
ISA enable: off
VGA enable: off
CardBus master abort reporting: off
CardBus reset: off
Functional interrupts routed by ExCA registers: off
Memory window 0 prefetchable: off
Memory window 1 prefetchable: off
Write posting enable: on
Subsystem vendor ID: 0x103c
Subsystem ID: 0x0890
Base address register at 0x44 (legacy-mode registers)
type: i/o
base: 0x00000000, not sized
Capability register at 0xa0
type: 0x01 (Power Management, rev. 1.0)
Device-dependent header:
0x48: 0x00000000 0x00000000
0x50: 0x00000000 0x00000000 0x00000000 0x00000000
0x60: 0x00000000 0x00000000 0x00000000 0x00000000
0x70: 0x00000000 0x00000000 0x00000000 0x00000000
0x80: 0x00000000 0x00000000 0x00000000 0x00000000
0x90: 0x08002000 0x80620bea 0x00400000 0x00050003
0xa0: 0xfe020001 0x10c04000 0x00000000 0x00000000
0xb0: 0x00000000 0x00000000 0x00000000 0x00000000
0xc0: 0x00000000 0x00000000 0x00000000 0x00000000
0xd0: 0x00000000 0x00000000 0x00000000 0x00030000
0xe0: 0x00000000 0x00000000 0x00000000 0x00000000
0xf0: 0x00000000 0x00000000 0x00000000 0x00000000
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