Kernel 2.4.2 - kernel BUG at apic.c:220!

[Manfred Spraul]

> kernel BUG at apic.c:220!
>From apic.c:
<<<<<<<<<<<

        /*
         * Double-check wether this APIC is really registered.
         */
        if (!test_bit(GET_APIC_ID(apic_read(APIC_ID)),
&phys_cpu_present_map))
                BUG();
>>>>>>>>>>>
Really odd. That's usually a sign of a bad MP table.

Could you check your BIOS settings for an entry MP, or MPS, or
Multiprocessor Table?
Usually the options are 1.1 and 1.4 - just try the other one.

or try the attached patch - it prints 2 additional debug lines.

--
    Manfred

patch.out