Nope, PIIX3 SuperMicro P6DNF PPro 200's w/ 512k.
I know about the ACPI IRQ9 issue......
On Mon, 29 May 2000, Maciej W. Rozycki wrote:
> On Sun, 28 May 2000, Andre Hedrick wrote:
>
> > Short I am kick ~1.2M ATA/ATAPI IO's interrupts every 10 minutes.
> > That is ~7.2M per hour.........
> >
> > root@p6dnf% cat interrupts ; uptime
> > CPU0
> > 0: 68260 XT-PIC timer
> > 1: 1573 XT-PIC keyboard
> > 2: 0 XT-PIC cascade
> > 8: 1 XT-PIC rtc
> > 9: 1065685 XT-PIC ide2, ide3
> > 10: 291549 XT-PIC ide0, ide1
> > 11: 306 XT-PIC eth0
> > 12: 5406 XT-PIC PS/2 Mouse
> > 13: 1 XT-PIC fpu
> > 14: 85593 XT-PIC ide4
> > 15: 86654 XT-PIC ide5
> > NMI: 0
> > ERR: 0
> > 12:31am up 11 min, 4 users, load average: 47.99, 36.97, 18.19
> >
> > Yes the devices on IRQ 9 is are U66 and U66+
> >
> > Going to kill it now and try the noapic version.....
>
> Hmm, do you have a PIIX4 bridge in this machine? It uses IRQ9 for ACPI.
> It may be a reason of the storm. Also there is an erratum for PIIX4
> stating the polarity of its IRQ9 output is reversed, which is important
> for APIC-based configurations (basically it just needs the respective
> MP-table entry to be set appropriately by a BIOS) -- you could check this,
> too.
>
> --
> + Maciej W. Rozycki, Technical University of Gdansk, Poland +
> +--------------------------------------------------------------+
> + e-mail: macro@ds2.pg.gda.pl, PGP key available +
>
Andre Hedrick
The Linux ATA/IDE guy
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