Messages in this thread |  | | | Date | Thu, 28 Dec 2000 19:39:34 +0100 (MET) | | From | Mikael Pettersson <> | | Subject | Re: Activating APIC on single processor |
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Francis Pieraut wrote:
>I try to activate APIC interrruption on a single processor(PIII) with >kernel2.4.0-test11. > >I activate APIC interruption with the configuration of linux kernel >2.4.0test-11. In the linux kernel configuration under processor type and >features I activate "APIC and IO-APIC support on uniprocessor", and I >desactivate "Symmetric multi-processing support". The only way I found to >check APIC activation is looking into /proc/interrupts, no "IO-APIC" can >be found there. So I read IO-APIC.txt and I suppose there sould be >conflicts with IRQ of my PCI cards. So I remove all my PCI cards and still >have no APIC interrupt. >Is there another way to check APIC activation? >Am-I doing to right things to activate IO-APIC?
CONFIG_X86_UP_IOAPIC only works if you actually have an IO-APIC (the "and" in the description is strict), but most UP boards don't have one. You should apply the UP-APIC patch, available at:
http://www.csd.uu.se/~mikpe/linux/upapic/
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