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Old 01-14-2006, 02:06 PM   #1
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Netgear WG511 IRQ/PCMCIA/?? Woes


I have a Netgear WG511, its a V1 card, I'm using a laptop, so it's a pcmcia card.

Here is output from lspci -vv

02:00.0 Network controller: Intersil Corporation Intersil ISL3890 [Prism GT/Prism Duette] (rev 01)
        Subsystem: Netgear WG511 Wireless Adapter
        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 0
        Region 0: Memory at 20800000 (32-bit, non-prefetchable) [size=8K]
        Capabilities: [dc] 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-
Note the IRQ of 0.

00:09.0 CardBus bridge: ENE Technology Inc CB-710/2/4 Cardbus Controller (rev 01)
        Subsystem: Mitac: Unknown device 8355
        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 04
        Interrupt: pin A routed to IRQ 0
        Region 0: Memory at 20000000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=00, secondary=02, subordinate=05, sec-latency=176
        Memory window 0: 20400000-207ff000 (prefetchable)
        Memory window 1: 20800000-20bff000
        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
Again, note the IRQ of 0.

My dmesg is full of the following entries:

Loaded prism54 driver, version 1.2
PCI: No IRQ known for interrupt pin A of device 02:00.0. Please try using pci=biosirq.
eth1: could not install IRQ handler
I have tried booting with the kernel arguement "pci=biosirq", no difference.

cardctl ident output:

Socket 0:
  product info: "Intersil", "ISL3890", "-", "-"
  manfid: 0x000b, 0x3890
  function: 254 ((null))
I have also placed the isl3890 firmware in the correct location.

Appropriate loaded modules (lsmod):

ds                      6548   1
yenta_socket           10436   1
pcmcia_core            42468   0  [ds yenta_socket]
I am using 2.4.31 kernel, which I have rebuilt with ACPI included (not as a module). I am also booting with acpi=on, but I was wondering if there was any way I could check it really is enabled.

Anyhow, as my cardbus doesn't seem to be getting an IRQ, could it be a problem with that, any ideas how to fix it?

I'm not a complete linux newb, but I haven't used it for a while, so I'm a little rusty, using newest dist. of Slackware.
Old 01-15-2006, 10:55 AM   #2
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Never seen that before but in the 2.4 kernel days after a kernel install I would install the latest pcmcia-cs from

This might work for you.


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