Re: SMP broken on Dell PowerEdge 4100/200 under 2.6.0-testxx?

Zwane Mwaikambo
2003-12-08T17:39:32Z

On Mon, 8 Dec 2003, Matthew Kanar wrote:

> _Without_ noirqbalance -
>
> uptime:
> 10:31:51 up 4 days, 15:07, 10 users, load average: 0.00, 0.02, 0.00
>
> /proc/interrupts:
> CPU0 CPU1
> 0: 27505 400084866 IO-APIC-edge timer
> 1: 1438 1 IO-APIC-edge i8042
> 2: 0 0 XT-PIC cascade
> 8: 1 0 IO-APIC-edge rtc
> 12: 1837 161 IO-APIC-edge i8042
> 14: 661467 822411 IO-APIC-edge ide0
> 15: 1 0 IO-APIC-edge ide1
> 16: 104949011 10 IO-APIC-level eth0
> NMI: 0 0
> LOC: 400153184 400153183
> ERR: 0
> MIS: 10
>
>
> _With_ noirqbalance -
>
> uptime:
> 11:36:12 up 1:01, 4 users, load average: 0.00, 0.09, 0.28
>
> /proc/interrupts:
> CPU0 CPU1
> 0: 16726 3707690 IO-APIC-edge timer
> 1: 3 8 IO-APIC-edge i8042
> 2: 0 0 XT-PIC cascade
> 8: 0 1 IO-APIC-edge rtc
> 12: 14 36 IO-APIC-edge i8042
> 14: 28140 659 IO-APIC-edge ide0
> 15: 1 0 IO-APIC-edge ide1
> 16: 12775 12 IO-APIC-level eth0
> NMI: 0 0
> LOC: 3724639 3724638
> ERR: 0
> MIS: 0

Are you sure you're not running the userspace irq balancer (ps ax | grep
irqbalance)?