Re: Help enabling PCI interrupts on Dell/SMP and Sun/SMP systems.

[Robert Hancock]

Alan Kilian wrote:
> 	Maybe that's it.
>
> 	I ask the card which interrupt line it was given at boot-time:
>
> 	pci_read_config_byte(dev, PCI_INTERRUPT_LINE,
> 	                     &softp->interrupt_line);
>
> 	Then I request an IRQ:
>
> 	request_irq(softp->interrupt_line, sseintr, 
>                     SA_INTERRUPT, "sse", softp);

Yeah, that's wrong. Should be request_irq(dev->irq, ... )

PCI_INTERRUPT_LINE is assigned by the BIOS and has nothing to do with 
the routing used in APIC mode. That's why it works with noapic mode 
since then the routing is the same as the BIOS assumed.

--
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@xxxxxxxxxxxxx
Home Page: http://www.roberthancock.com/


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