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Date: Sat, 1 Feb 2003 11:33:10 +0100 (CET)
Subject: Re: yenta-cardbus IRQ0
From: "Emiliano Gabrielli" <emiliano.gabrielli@roma2.infn.it>
To: <rbisping@mindspring.com>
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<quote who="Robert Bisping">
> On Friday 31 January 2003 08:50, you wrote:
>> <quote who="Robert Bisping">
>>
>> > i have been trying to set up a cardbus card on my thinkpad 760ED for about  the
>> last month and it keeps coming up with IRQ0 and telling me it cant find a  irq for
>> pin A. what would be causing this and how do I correct it i have  already tried
>> APCI and it does not work on my laptop so that is no help. I  have compiled SMP
>> into the kernel though I dont have a dual processor (of  course) to gain the added
>> functionality. I have recompiled my kernel about  150 times with different setting
>> hoping it might just be a conflict in the  kernel with no luck.  I looked at the
>> yenta driver it's self and noticed that  it accepts IRQ0 as a valid irq but that
>> appears to mean no irq at all. which  config file would i use to force it to set a
>> irq?
>> >
>> >
>> > Thanx for any assistanc you might give
>>
>> plz send an lspci -vv -xxx -s *your dev*
>>
>> what kernel are you using ?
>
> i am using 2.4.18 and here is lspci


uhmm, 1th try to upgrade to a newer one, then I experienced the same problem with a
custom board... the problem was triggered by the Base Address too high:

  Region 0: Memory at 10812000 (32-bit, non-prefetchable) [size=4K]

moving id_sel (in the PCI core of the board) in order to obtain a lower bar all worked.


BTW, has anybody there ever heared about such a costraint in the PCI specification ??
Why I got this strange behaviour ???

-- 
Emiliano Gabrielli

dip. di Fisica
2? Universit? di Roma "Tor Vergata"


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