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SubjectRe: Fwd: Re: Working nforce2, was Re: Fixes for nforce2 hard lockup, apic, io-apic, udma133 covered
On Sat, 13 Dec 2003, Bob wrote:

> APIC error on CPU0: 02(02)
> what?? no crash though.
[...]
> bob@where cat /proc/interrupts
> CPU0
> 0: 3350153 IO-APIC-edge timer
> 1: 5775 IO-APIC-edge i8042
> 2: 0 XT-PIC cascade
> 8: 1 IO-APIC-edge rtc
> 9: 0 IO-APIC-level acpi
> 12: 5385 IO-APIC-edge i8042
> 14: 10 IO-APIC-edge ide0
> 15: 10 IO-APIC-edge ide1
> 16: 1717957 IO-APIC-level ide2, ide3, eth0
> 19: 472929 IO-APIC-level ide4, ide5
> 21: 0 IO-APIC-level NVidia nForce2
> NMI: 822
> LOC: 3350073
> ERR: 35
> MIS: 15818

It looks like the infamous APIC delivery bug -- the "MIS" counter shows
how many level-triggered interrupts has been erronously delivered as
edge-triggered ones. No wonder the system shows instability -- you have
noise problems at the APIC bus.

--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@ds2.pg.gda.pl, PGP key available +
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