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    Subject[2.4.21-pre3] APIC routing broken on ASUS P2B-DS
    Something broke between 2.4.20 and 2.4.21-pre3 which is causing
    interrupts to not be routed the second CPU. I saw the problem on one box
    and copied the kernel to another which then had the same problem (both
    ASUS P2B-DS boards, one with PIII CPUs, one with PII CPUs).

    [sroot@devel:/]# cat /proc/interrupts
    CPU0 CPU1
    0: 114480 0 IO-APIC-edge timer
    1: 2 0 IO-APIC-edge keyboard
    2: 0 0 XT-PIC cascade
    8: 3 0 IO-APIC-edge rtc
    16: 30707 0 IO-APIC-level eth0
    19: 3260 0 IO-APIC-level aic7xxx
    NMI: 0 0
    LOC: 114405 114404
    ERR: 0
    MIS: 0

    With 2.4.20:

    [sroot@devel:/root]# cat /proc/interrupts
    CPU0 CPU1
    0: 23627 27340 IO-APIC-edge timer
    1: 0 2 IO-APIC-edge keyboard
    2: 0 0 XT-PIC cascade
    8: 2 1 IO-APIC-edge rtc
    16: 1671 2 IO-APIC-level eth0
    19: 965 979 IO-APIC-level aic7xxx
    NMI: 0 0
    LOC: 50893 50891
    ERR: 0
    MIS: 0

    ...If nobody knows what happened immediately, I'll try narrowing it down
    to the patch.

    Simon-

    [ Simon Kirby ][ Network Operations ]
    [ sim@netnation.com ][ NetNation Communications ]
    [ Opinions expressed are not necessarily those of my employer. ]
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