On Thu, 2006-02-23 at 22:05 +0100, Pavel Machek wrote:
> Hi!
>
> > Hello, this is a new set of docking station patches which replaces
> > the old docking station patches. It applies to 2.6.16-rc4-mm1. It
> > is new and improved over the old version, in that it can now handle
> > laptops which define docking stations outside of the scope of PCI.
> >
> > Thanks to everyone who provided feedback on the original patches, and
> > especially to Pavel who is the only brave soul to test these patches
> > out so far :). As always, I would appreciate feedback on these
> > patches.
>
> I tested the new version from today... it works okay. It produces some
> weird messages:
>
> acpiphp: Slot [4294967295] registered
> ACPI Exception (acpi_bus-0072): AE_NOT_FOUND, No context for object
> [c1d081e8] [20060210]
> PCI: Found IBM Dock II Cardbus Bridge applying quirk
> PCI: Found IBM Dock II Cardbus Bridge applying quirk
> PCI: Transparent bridge - 0000:02:03.0
> PCI: Bus #0c (-#0f) is hidden behind transparent bridge #02 (-#0b)
> Please report the result to linux-kernel to fix this permanently
> PCI: Bus #10 (-#13) is hidden behind transparent bridge #02 (-#0b)
> Please report the result to linux-kernel to fix this permanently
> ACPI Exception (acpi_bus-0072): AE_NOT_FOUND, No context for object
> [c1d02368] [20060210]
>
The ACPI exceptions are ok, it just means that we are looking for an
object that doesn't exist yet - which is expected since we are
hotplugging it. The PCI warnings I also get on my system - but I think
they are not relevant, because if I look at lspci after docking, the bus
numbers for the dock bridge do not hide the new cardbus bus numbers - I
think the subordinate bus numbers for the parent bus are fixed up after
this message. Can you send your lspci -vv output so we can make sure
that your bridge bus number is being done correctly? I also assume you
are still using pci=assign-busses as well.
Here's my error message:
[ 262.092000] PCI: Bus #0c (-#0f) is hidden behind transparent bridge #02 (-#0b)
[ 262.092000] PCI: Bus #10 (-#13) is hidden behind transparent bridge #02 (-#0b)
But then, the output of lspci after docking shows the bus numbers are ok:
***** Dock Bridge's Parent - Note subordinate bus number *****
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=13, sec-latency=64
I/O behind bridge: 00004000-00008fff
Memory behind bridge: c0200000-cfffffff
Prefetchable memory behind bridge: e8000000-efffffff
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
**** Dock Bridge + new cardbus controllers on dock station ******
0000:02:03.0 PCI bridge: Texas Instruments PCI2032 PCI Docking Bridge (prog-if 01 [Subtractive decode])
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: 64, Cache Line Size: 0x10 (64 bytes)
Bus: primary=02, secondary=0b, subordinate=13, sec-latency=64
I/O behind bridge: 00005000-00005fff
Memory behind bridge: ca000000-ceffffff
Prefetchable memory behind bridge: c6000000-c9ffffff
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
Capabilities: [80] Power Management version 1
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Bridge: PM- B3+
0000:0b:02.0 CardBus bridge: Texas Instruments PCI1420
Subsystem: IBM: Unknown device 0148
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 11
Region 0: Memory at ce000000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=0b, secondary=0c, subordinate=0f, sec-latency=176
Memory window 0: c6000000-c7fff000 (prefetchable)
Memory window 1: ca000000-cbfff000
I/O window 0: 00005000-000050ff
I/O window 1: 00005400-000054ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt- PostWrite+
16-bit legacy interface ports at 0001
0000:0b:02.1 CardBus bridge: Texas Instruments PCI1420
Subsystem: IBM: Unknown device 0148
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 11
Region 0: Memory at ce001000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=0b, secondary=10, subordinate=13, sec-latency=176
Memory window 0: c8000000-c9fff000 (prefetchable)
Memory window 1: cc000000-cdfff000
I/O window 0: 00005800-000058ff
I/O window 1: 00005c00-00005cff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
16-bit legacy interface ports at 0001
0000:0c:00.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 09)
Subsystem: Intel Corp. EtherExpress PRO/100 Cardbus
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 A routed to IRQ 11
Region 0: Memory at ca020000 (32-bit, non-prefetchable) [disabled] [size=4K]
Region 1: I/O ports at 5000 [disabled] [size=64]
Region 2: Memory at ca000000 (32-bit, non-prefetchable) [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-
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