Messages in this thread | | | Date | Wed, 10 Mar 1999 14:55:38 -0500 | From | Doug Ledford <> | Subject | Re: 2.2.2 hw int differences? |
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Jeffrey Jones wrote: > > Hello, > > I'm trying to figure out what the differences is in the way IRQ's are > handled between > 2.2.0 and 2.2.2... I haven't tried 2.2.1 or 2.2.3 so I don't know how they > fit in to the > picture, but when I call request_irq() it says it succeeds in 2.2.2 but then > the handler > is never called when that IRQ is generated by the hardware. With everything > exactly the same, it works under 2.2.0. Both were compiled with all the > default config options. It > only occurs on certain systems. What changed in the kernel?
Boot the afflicted machines with the kernel option noapic (or is it no_apic, Ingo?) to disable the io_apic code and I bet your interrupts start coming through again.
-- Doug Ledford <dledford@redhat.com> Opinions expressed are my own, but they should be everybody's.
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