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    SubjectRe: "No IRQ known for interrupt pin A..." error message
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    Date
    Martin Mares <mj@suse.cz> writes:

    > > During boot, I get the message:
    > >
    > > PCI: No IRQ known for interrupt pin A of device 00:00.1. Please try
    > > using pci=biosirq.
    >
    > Can you send me 'lspci -vvx' output, please?
    >

    i am not the original poster, but i get the same message (save for the
    device number), i.e. "PCI: No IRQ known for interrupt pin A of device
    05:00.0. Please try using pci=biosirq". this is on a dell latitude
    running 2.4.0-test11-pre7. the output from 'lspci -vvx' follows:

    00:00.0 Host bridge: Intel Corporation 440BX/ZX - 82443BX/ZX Host bridge (AGP disabled) (rev 02)
    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: 32
    Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
    00: 86 80 92 71 06 01 00 a2 02 00 00 06 00 20 00 00
    10: 08 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 00
    20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

    00:02.0 VGA compatible controller: Neomagic Corporation NM2160 [MagicGraph 128XD] (rev 01) (prog-if 00 [VGA])
    Subsystem: Dell Computer Corporation MagicGraph 128XD
    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 e0000000 (32-bit, prefetchable) [size=16M]
    Region 1: Memory at fde00000 (32-bit, non-prefetchable) [size=2M]
    Region 2: Memory at fdd00000 (32-bit, non-prefetchable) [size=1M]
    00: c8 10 04 00 03 00 80 02 01 00 00 03 00 20 00 00
    10: 08 00 00 e0 00 00 e0 fd 00 00 d0 fd 00 00 00 00
    20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 74 00
    30: 00 00 00 00 00 00 00 00 00 00 00 00 0b 01 10 ff

    00:03.0 CardBus bridge: Texas Instruments PCI1131 (rev 01)
    Subsystem: Dell Computer Corporation: Unknown device 0074
    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 08
    Interrupt: pin A routed to IRQ 11
    Region 0: Memory at 10000000 (32-bit, non-prefetchable) [size=4K]
    Bus: primary=00, secondary=01, subordinate=01, sec-latency=176
    Memory window 0: 10400000-107ff000 (prefetchable)
    Memory window 1: 10800000-10bff000
    I/O window 0: 00001000-000010ff
    I/O window 1: 00001400-000014ff
    BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
    16-bit legacy interface ports at 0001
    00: 4c 10 15 ac 07 00 00 02 01 00 07 06 08 a8 82 00
    10: 00 00 00 10 00 00 00 02 00 01 01 b0 00 00 40 10
    20: 00 f0 7f 10 00 00 80 10 00 f0 bf 10 00 10 00 00
    30: fc 10 00 00 00 14 00 00 fc 14 00 00 0b 01 c0 05
    40: 28 10 74 00 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

    00:03.1 CardBus bridge: Texas Instruments PCI1131 (rev 01)
    Subsystem: Dell Computer Corporation: Unknown device 0074
    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 08
    Interrupt: pin B routed to IRQ 11
    Region 0: Memory at 10001000 (32-bit, non-prefetchable) [size=4K]
    Bus: primary=00, secondary=05, subordinate=05, sec-latency=176
    Memory window 0: 10c00000-10fff000 (prefetchable)
    Memory window 1: 11000000-113ff000
    I/O window 0: 00001800-000018ff
    I/O window 1: 00001c00-00001cff
    BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt- PostWrite+
    16-bit legacy interface ports at 0001
    00: 4c 10 15 ac 07 00 00 02 01 00 07 06 08 a8 82 00
    10: 00 10 00 10 00 00 00 02 00 05 05 b0 00 00 c0 10
    20: 00 f0 ff 10 00 00 00 11 00 f0 3f 11 00 18 00 00
    30: fc 18 00 00 00 1c 00 00 fc 1c 00 00 0b 02 00 05
    40: 28 10 74 00 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

    00:07.0 Bridge: Intel Corporation 82371AB PIIX4 ISA (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
    00: 86 80 10 71 0f 01 80 02 01 00 80 06 00 00 80 00
    10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

    00:07.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01) (prog-if 80 [Master])
    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: 32
    Region 4: I/O ports at 0860 [size=16]
    00: 86 80 11 71 05 00 80 02 01 80 01 01 00 20 00 00
    10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    20: 61 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

    00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01) (prog-if 00 [UHCI])
    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: 32
    Interrupt: pin D routed to IRQ 11
    Region 4: I/O ports at ece0 [size=32]
    00: 86 80 12 71 05 00 80 02 01 00 03 0c 00 20 00 00
    10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    20: e1 ec 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    30: 00 00 00 00 00 00 00 00 00 00 00 00 0b 04 00 00

    00:07.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (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-
    00: 86 80 13 71 03 00 80 02 01 00 80 06 00 00 00 00
    10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

    05:00.0 Ethernet controller: 3Com Corporation 3c575 [Megahertz] 10/100 LAN CardBus (rev 01)
    Subsystem: 3Com Corporation 3C575 Megahertz 10/100 LAN Cardbus PC Card
    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
    Interrupt: pin A routed to IRQ 11
    Region 0: I/O ports at 1800 [size=128]
    Region 1: Memory at 11000000 (32-bit, non-prefetchable) [size=128]
    Region 2: Memory at 11000080 (32-bit, non-prefetchable) [size=128]
    Expansion ROM at 10c00000 [size=128K]
    Capabilities: [50] 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-
    00: b7 10 57 51 07 00 10 02 01 00 00 02 00 40 00 00
    10: 01 18 00 00 00 00 00 11 80 00 00 11 00 00 00 00
    20: 00 00 00 00 00 00 00 00 90 00 00 00 b7 10 57 5b
    30: 01 00 c0 10 50 00 00 00 00 00 00 00 0b 01 00 00

    if i bring up the eth0 interface by hand the card works fine and i can
    connect to the network.

    --alex--

    --
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    | advance of the mind, it will be possible (simultaneously with |
    | automatism and other passive states) to systematize confusion |
    | and thus to help to discredit completely the world of reality. |
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