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SubjectRe: HT apparently not detected properly on 2.4.23
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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