Russell King - ARM Linux wrote:
> Hmm. That means when the CPU asked the footbridge which ISA interrupt was
> active, it reported "108", which is an impossible number for the Winbond
> IRQ controller to report.
>
> Hmm, I'm getting more and more convinced that the tulips "System Error"
> reports are wholely valid, and there is something wrong with some NetWinders
> PCI busses.
Or the winbond chip is flakey, which is a fact that we already knew.
I've got several boards that have the tulip problem and they all work
under 2.2's tulip driver (old_tulip). Repeatably, going back and forth
between the kernels. Seeing as how the new driver doesn't have the
necessary cache flushes in it, i'm really not too surprized that it
doesn't work.
I can't belive the PCI bus is to blame seeing as how the system manages
to run this far - i'm not sure what to look for on the PCI bus, we have
an analyser, but it's like a needle in the haystack if you don't have
something to go on. I'm open to suggestions as to what signals to look
at though.
-Ralph
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