Troubleshooting

I am experiencing an IRQ conflict. The IRQ that PCMCIA wants to use is already taken by something else.

If an IRQ conflict exists between an initialized piece of hardware and a PCMCIA card that is preventing the card's driver from loading, and if there is an open IRQ, you should be able to get the card working. First, reserve the IRQ in the config.opts file:

reserve irq 5

Then force the use of that IRQ on the module that supports the card. If the card is an NE2000 card that uses pcnet_cs.o (look in the config file for the module name associated with the card), add a line to the bottom of config.opts that looks like this:

module "pcnet_cs" opts "irq_list=5"

That will force the use of the free IRQ on the pcnet_cs module when ...

Get Special Edition Using Linux®, Sixth Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.