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

Stian Jordet
2003-12-06T04:29:14Z

lør, 06.12.2003 kl. 04.07 skrev William Lee Irwin III:
> On Sat, Dec 06, 2003 at 01:48:54PM +1100, Nick Piggin wrote:
> > Although in this case Colin has 2 PPro 200s.
> > Colin - process load should be evenly distributed between CPUs, and this
> > is generally the most important thing. Big networking loads (most commonly)
> > can put a lot of time into processing interrupts though.
>
> That is rather busted, then.

Uhm.. I was under the impression that this was expected behaviour? If
not, I guess I'm having problems too?

CPU0 CPU1
0: 91068534 45 IO-APIC-edge timer
1: 65293 1 IO-APIC-edge i8042
2: 0 0 XT-PIC cascade
3: 71 1 IO-APIC-edge serial
8: 325118 1 IO-APIC-edge rtc
9: 0 0 IO-APIC-level acpi
14: 245619 1 IO-APIC-edge ide0
15: 21 2 IO-APIC-edge ide1
17: 444526 0 IO-APIC-level aic7xxx, EMU10K1
18: 1112 0 IO-APIC-level aic7xxx, yenta
19: 6427306 1 IO-APIC-level saa7134[0], yenta, eth0,
ide2
21: 34725 9049384 IO-APIC-level uhci_hcd, uhci_hcd, uhci_hcd
NMI: 0 0
LOC: 91065099 91064973
ERR: 0
MIS: 2

This is with an uptime of almost 26 hours. Dual P3. USB uses lots of
interrupts from both cpu's, but I'm running both the aic7xxx and eth0
quite hard at times...

Best regards,
Stian