Re: [Madwifi-users] cannot reserve PCI memory region

[Juan de S. L. <ska...@te...>]

Be sure you have ISA support enabled in your kernel. I had problems with
that (needed for PCMCIA/CardBus support).

Regards,

   Juan Jes=FAs.


El jue, 19-02-2004 a las 18:13, Pieter-Paul Spiertz escribi=F3:
> Hi,
>=20
> Here's the "cannot reserve PCI memory region" problem again.
> Google shows that people have been struggling with it earlier,
> but there's no answer yet. It might not even be a madwifi
> issue.
>=20
> I have a D-Link DWL-AG650 wireless NIC (CardBus).
> It works correctly with madwifi on my notebook (Thanks!
> Performance looks good, too!)
>=20
> However, exactly the same card does not work in the CardBus
> PCI adapter of my other PC, which is running another kernel
> (2.4.22).
>=20
> Upon inserting the card, kernel messages say:
>=20
> cs: cb_alloc(bus 2): vendor 0x168c, device 0x0013
> PCI: Failed to allocate resource 0(ee010000-ee004fff) for 02:00.0
> PCI: Enabling device 02:00.0 (0000 -> 0002)
>=20
> Loading the wlan and ath_hal modules succeeds. However, loading
> the ath_pci module produces this error message:
>=20
> ath_pci: 0.8.5.2 BETA
> ath_pci: cache line size not set; forcing 8
> ath_pci: cannot reserve PCI memory region
> ath_pci: No devices found, driver not installed.
>=20
> The card is detected, because lspci -vv says so:
>=20
> (snip)
> 02:00.0 Ethernet controller: Unknown device 168c:0013 (rev 01)
>         Subsystem: D-Link System Inc: Unknown device 3a07
>         Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParEr=
r- Stepping- SERR- FastB2B-
>         Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort=
- <TAbort- <MAbort- >SERR- <PERR-
>         Interrupt: pin A routed to IRQ 12
>         Region 0: [virtual] Memory at ee010000 (32-bit, non-prefetchable)
>         Capabilities: [44] Power Management version 2
>                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA PME(D0-,D1-,=
D2-,D3hot-,D3cold-)
>                 Status: D0 PME-Enable- DSel=3D0 DScale=3D2 PME-
>=20
> /proc/iomem looks like this:
> 00000000-0009ffff : System RAM
> 000a0000-000bffff : Video RAM area
> 000c0000-000c7fff : Video ROM
> 000f0000-000fffff : System ROM
> 00100000-0efeffff : System RAM
>   00100000-00290e93 : Kernel code
>   00290e94-00326da3 : Kernel data
> 0eff0000-0eff2fff : ACPI Non-volatile Storage
> 0eff3000-0effffff : ACPI Tables
> e0000000-e7ffffff : PCI Bus #01
>   e0000000-e7ffffff : S3 Inc. VT8603 [ProSavage PN133] AGP4X VGA Controll=
er (Twister)
> e8000000-ebffffff : VIA Technologies, Inc. VT8605 [ProSavage PM133]
> ec000000-edffffff : PCI Bus #01
>   ed000000-ed07ffff : S3 Inc. VT8603 [ProSavage PN133] AGP4X VGA Controll=
er (Twister)
> ee000000-ee000fff : Ricoh Co Ltd RL5c478
> ee001000-ee002fff : PCI CardBus #02
> ee003000-ee004fff : PCI CardBus #02
> ee005000-ee005fff : Ricoh Co Ltd RL5c478 (#2)
> ee006000-ee007fff : PCI CardBus #03
> ee008000-ee009fff : PCI CardBus #03
> ee00a000-ee00a0ff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+
>   ee00a000-ee00a0ff : 8139too
> ffff0000-ffffffff : reserved
>=20
>=20
> What did I forget? Some kernel option? Something with PCMCIA?
> (I already tested disabling some BIOS options, no effect.)
>=20
>=20
> Thanks,
> Pieter-Paul
>=20
>=20
>=20
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--=20
Juan Jes=FAs Garc=EDa de Soria Lucena <ska...@te...>