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Question Infinite interrupt loop with DataChute (i82365)  

Forum: PCMCIA Installation and Configuration Issues
Date: 2000, May 10
From: Matthew Kerr MattK

I've been working on cloning about 50 machines (surplus AST P-133's) with the Antec DataChute PCMCIA ("Via" i82365 compat. chips) controllers. All of the machines are identical (from BIOS settings and versions to hard drive images). I am working with CompactFlash PCMCIA devices.

On about 10% of the machines, I repeatedly get a nasty message on console when I insert a card: "i82365: infinite loop in interrupt controller". It's appeared (rarely) on some of the other machines, but consistently on that 10%.

I'm running kernel 2.2.14 and pcmcia-cs 3.1.14. I've played with the "cs_irq" and the "irq_list" options (I have more than 3 available IRQ's on the machine), to no avail.

As these machines will be unattended, stability is extremely important. :)

If anyone has experienced this before, or has any ideas on what to do, I would really appreciate it!


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Re: Question Infinite interrupt loop with DataChute (i82365) (Matthew Kerr)
Date: 2000, May 25
From: Matthew Kerr MattK

We've purchased just about every desktop PCMCIA dock available and are currently testing the different models to see which ones work and which ones don't. Here's some preliminary information:

-The LinkSys ProConnect (model "PCMRDWR") is the exact same unit as the Antec DataChute, down to the PCB traces and packaging.

-The SCM "SBP-D2P PCI" (TI PCI1221) generates all kinds of lost interrupts and does not work on our hardware.

-The SCM "SBI-D2P" (ISA) appears to work perfectly and is being burned in. (Vadem VG-469)

To make sure this isn't taken out of context, we appear to have some flaky AST hardware, and have had unusual difficulties with every PCMCIA reader we've used. On a unit with a bug-free interrupt controller, I'm sure these readers would work fine.

We are still waiting for final results, and some of our readers haven't arrived yet to be tested. I'll post my final results here.

Infinite interrupt loop with DataChute (i82365)

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