Re: HT apparently not detected properly on 2.4.23

[Ethan Weinstein]

William Lee Irwin III wrote:
> On Wed, Dec 03, 2003 at 06:41:36PM -0500, Ethan Weinstein wrote:
>
> > But we're still only interrupting on CPU0 with this kernel.
>
>
> That's P-IV retardation. Not really fixable, but irqbalance daemons
> etc. can help mitigate the severity of the erratum. I'm not sure if
> 2.4 has the interfaces for the userspace solutions to work or the
> kernel solutions either.

I somehow suspected that, and appreciate the clarification.  I'll see if 
I can't get that patch I found to apply to 2.4.23, it seems to solve 
this a bit more elegantly than the irqbalance program.

           CPU0       CPU1       CPU2       CPU3
  0:      67962      69066      68010      68954    IO-APIC-edge  timer
  1:          1          0          0          1    IO-APIC-edge  keyboard
  2:          0          0          0          0          XT-PIC  cascade
  3:      10027      10944       9904      11063    IO-APIC-edge  serial
  8:          2          0          0          0    IO-APIC-edge  rtc
 16:          9          7          7         18   IO-APIC-level  sym53c8xx
 22:       6842       7336       7166       7429   IO-APIC-level  eth0
 48:       6429       6370       6202       6268   IO-APIC-level  aic79xx
 49:       1939       2018       2067       1949   IO-APIC-level  aic79xx
 54:        340        345        340        352   IO-APIC-level  eth1
NMI:          0          0          0          0
LOC:     273824     273846     273844     273845
ERR:          0
MIS:          0

-Ethan


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