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

Matthew Kanar
2003-12-08T19:25:05Z

Zwane Mwaikambo wrote:
> Are you sure you're not running the userspace irq balancer (ps ax | grep
> irqbalance)?

<blush>

Well, userspace irqbalancer wasn't running, but it was started and then
stopped during the system startup. My apologies.

A few changes in the rcX.d directories and a few reboots later, I have
found that this system exhibits similar behavior to that of others in
this thread.

/proc/interrupts without noirqbalance:
CPU0 CPU1
0: 331404 14 IO-APIC-edge timer
1: 10 1 IO-APIC-edge i8042
2: 0 0 XT-PIC cascade
8: 0 1 IO-APIC-edge rtc
12: 49 1 IO-APIC-edge i8042
14: 5503 0 IO-APIC-edge ide0
15: 1 0 IO-APIC-edge ide1
16: 1004 1 IO-APIC-level eth0
NMI: 0 0
LOC: 331292 331291
ERR: 0
MIS: 0

/proc/interrupts with noirqbalance:

CPU0 CPU1
0: 70723 137438 IO-APIC-edge timer
1: 2 9 IO-APIC-edge i8042
2: 0 0 XT-PIC cascade
8: 1 0 IO-APIC-edge rtc
12: 2 48 IO-APIC-edge i8042
14: 3222 1850 IO-APIC-edge ide0
15: 1 0 IO-APIC-edge ide1
16: 471 459 IO-APIC-level eth0
NMI: 0 0
LOC: 208023 208022
ERR: 0
MIS: 0

--Matt Kanar