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More RE: Not enough free interrupts, apparently 

Forum: PCMCIA on Toshiba laptops
Re: Sad Tecra550CDT and 2 ethernets IRQ problem (Fred Beck)
Re: None Not enough free interrupts, apparently (David Hinds)
Date: 2000, Apr 13
From: Fred Beck FredBeck

> You have an interrupt starvation problem.  The PCMCIA-HOWTO
> has some information about this situation.  When the i82365
> module loads, it reports what interrupts appear to be
> available for PCMCIA devices.  It must have decided that irq
> 11 is not usable: maybe it is committed for PCI.

This is where I was assuming the issue was. Why is the only question remaining.

> To say more, I'd want to see the PCIC probe messages from
> the i82365 driver.

Great, here is what it looks like:

  # probe -v
  PCI bridge probe: not found.
  Intel PCIC probe:
    ident(0)=0x83  ident(1)=0x83
    i82365sl B step found, 2 sockets.

> You should probably bag the cs_irq setting and instead
> maybe force polling for card insertions, with
> "poll_interval=100".  That may free up another interrupt.

Tried this in one of my "itterations" but went back to your suggestion. No joy.

> The latest PCMCIA release may also do a better job of
> configuring interrupts, than the drivers included in RH6.1.

This is why it took me so long to reply. Since I didn't have a lot of time invested in RH6.1, I poked around a bit and have seen mostly praise for RH6.2. So, I jumped in with both feet... and then looked around.

Tried the same configs with native RH6.2 (pcmcia 3.1.8), with the same lack of results. So, I then downloaded the latest pcmcia 3.1.14 bits, config'd, compiled and installed... no joy.

Either card gets recognized, but only whoever is first recognized gets configured.

Could this have something to do with the 0x83 base address being the same on both. One thing I didn't try was forcing the base address. But then, I'm not sure exactly just how to do this.

Thanx again for your pointers.


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1. More More information by Fred Beck, 2000, Apr 13

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