Re: IO-APIC on nforce2 [PATCH]

[Christian Kröner]

> Just would like to add that if we cannot get Maciej's 8259 ack patch
> back into the distro then we need an if statement in the check_timer()
> to turn off timer_ack for nforce2 or Christian might get his hi-load back
> and certainly nmi_debug=1 won't work.
>
> e.g. for 2.4.26-rc2 io_apic.c line 1613 or 2.6.5 line 2180
>       if (pin1 != -1) {
>               /*
>                * Ok, does IRQ0 through the IOAPIC work?
>                */
> +             if(acpi_skip_timer_override)
> +                     timer_ack=0;
>               unmask_IO_APIC_irq(0);
>

Also on mainline 2.6.5 this if-statement doesn't seem to be necessary. Len's 
patch worked on this kernel as well, setting the timer interrupt to 
IO-APIC-edge and there is no strange hi-load anymore too.

thanks, christian.
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