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SubjectRe: 2.4.18-rcx: Dual P3 + VIA + APIC
> Furthermore it also doesn't work with a UP kernel with Local IO APIC
> support (CONFIG_X86_UP_IOAPIC). Without it does work. It reliably hangs in
> arch/i386/kernel/io_apic.c:check_timer (in 2.4.18-pre8-K3 about line 1510)
>
> printk(KERN_INFO "..TIMER: vector=0x%02X pin1=%d pin2=%d\n",
> vector, pin1, pin2);
>
> if (pin1 != -1) {
> /*
> * Ok, does IRQ0 through the IOAPIC work?
> */
> printk(KERN_ERR "1\n");
> unmask_IO_APIC_irq(0);
> printk(KERN_ERR "2\n");
> if (timer_irq_works()) {
>
> The "1" still occurs, then it hangs...

So if you comment out the unmask and the whole if clause
below it, does your system then boot, or do you just crash
and burn a few lines later?

M.

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