Messages in this thread | | | Date | Mon, 15 Dec 2003 14:11:55 +0100 (CET) | From | "Maciej W. Rozycki" <> | Subject | Re: Fwd: Re: Working nforce2, was Re: Fixes for nforce2 hard lockup, apic, io-apic, udma133 covered |
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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 + - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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