Re: 2.5.67-mm4 & IRQ balancing

From: Philippe Gramoullé (philippe.gramoulle@mmania.com)
Date: Sat Apr 19 2003 - 08:14:43 EST


Hello,

Well, my guess is that because i boot with nmi_watchdog=1 kernel boot option ?? I don't really know.

This was what i used to troubleshoot hard lockups with previous kernels ( i may remove it now
as since a patch was made to fix that, everything runs smoothly :)

Thanks,

Philippe

On Sat, 19 Apr 2003 08:21:38 -0400
Chuck Ebbert <76306.1226@compuserve.com> wrote:

  | Philippe wrote:
  |
  |
  | > CPU0 CPU1
  | > 0: 47851610 0 IO-APIC-edge timer
  | > 1: 51789 0 IO-APIC-edge i8042
  | > 2: 0 0 XT-PIC cascade
  | > 3: 171 0 IO-APIC-edge serial
  | > 8: 772066 0 IO-APIC-edge rtc
  | > 12: 3 0 IO-APIC-edge i8042, i8042, i8042, i8042
  | > 15: 58 1 IO-APIC-edge ide1
  | > 16: 47047 0 IO-APIC-level ohci1394
  | > 18: 391753 0 IO-APIC-level EMU10K1
  | > 19: 911863 0 IO-APIC-level uhci-hcd
  | > 20: 261806 0 IO-APIC-level eth0
  | > 22: 273648 0 IO-APIC-level aic7xxx
  | > 23: 0 0 IO-APIC-level uhci-hcd
  | > NMI: 47853468 47852927
  | > LOC: 47860500 47860630
  | > ERR: 0
  | > MIS: 0
  |
  |
  | I wonder what is the reason for all the NMIs? And why arent't the local
  | APIC interrupt counters in sync?
  |
  | With 2.5.66 I have twice as many interrupts on CPU1 as you. :)
  |
  |
  | CPU0 CPU1
  | 0: 250666330 0 IO-APIC-edge timer
  | 1: 545 1 IO-APIC-edge i8042
  | 2: 0 0 XT-PIC cascade
  | 12: 124 0 IO-APIC-edge i8042
  | 15: 21 1 IO-APIC-edge ide1
  | 18: 8484 0 IO-APIC-level ide3
  | 19: 4679 0 IO-APIC-level uhci-hcd, eth0
  | NMI: 0 0
  | LOC: 250677924 250677924
  | ERR: 0
  | MIS: 0
  |
  |
  |
  | ------
  | Chuck
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