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

[William Park]

On Sat, Dec 06, 2003 at 10:59:01AM +0000, William Lee Irwin III wrote:
> This leads to a similar conclusion to Stian Jordet's case. It's not
> mistaking you for HT, it's the lack of an internal distinction between
> the cases that need and don't need irq balancing.

I have VP6 (Apollo Pro 133A, 82c694X/686B) dual-P3 (800MHz/133MHz).  I'm
currently using MPS 1.1, because USB doesn't work with MPS 1.4 (or, it
does but only with 'noapic').  And, I can report the same finding as
others.

Before:
-------
           CPU0       CPU1       
  0:      79365         63    IO-APIC-edge  timer
  1:        215          1    IO-APIC-edge  i8042
  2:          0          0          XT-PIC  cascade
  4:       8654          0    IO-APIC-edge  serial
  8:          1          1    IO-APIC-edge  rtc
 12:         52          1    IO-APIC-edge  i8042
 14:       2155          0    IO-APIC-edge  ide0
 15:          2          0    IO-APIC-edge  ide1
 17:          0          0   IO-APIC-level  eth0
NMI:          0          0 
LOC:      79231      79266 
ERR:          0
MIS:          0

After 'noirqbalance':
---------------------
           CPU0       CPU1       
  0:      15039      16025    IO-APIC-edge  timer
  1:         47         75    IO-APIC-edge  i8042
  2:          0          0          XT-PIC  cascade
  4:         21         43    IO-APIC-edge  serial
  8:          2          0    IO-APIC-edge  rtc
 12:         21         32    IO-APIC-edge  i8042
 14:        828        410    IO-APIC-edge  ide0
 15:          2          0    IO-APIC-edge  ide1
 17:          0          0   IO-APIC-level  eth0
NMI:          0          0 
LOC:      30865      30900 
ERR:          0
MIS:          0

-- 
William Park, Open Geometry Consulting, <opengeometry@xxxxxxxx>
Linux solution for data management and processing. 
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