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-   -   Do I need irqbalance on a Pentium D? (https://www.linuxquestions.org/questions/linux-hardware-18/do-i-need-irqbalance-on-a-pentium-d-553190/)

bluethumb 05-11-2007 01:14 PM
Do I need irqbalance on a Pentium D?
 
We have a machine with a dual-core Pentium D processor. Based on what I have read, it would seem that irqbalance is useful in this situation. But when I start irqbalance, the daemon just exits quietly. We have other machines with Core Duo processors, and the irqbalance daemon runs on them.

bluethumb 05-11-2007 01:25 PM
Oops. More details. I find some instances of these messages in syslog:
Quote:
May 11 10:08:23 hostname irqbalance: irqbalance startup succeeded
May 11 10:11:41 hostname irqbalance: irqbalance shutdown failed
Curiously, they don't appear every time.

Also, only one instance of ksoftirqd is running:
Quote:
root 2 1 0 09:23 ? 00:00:00 [ksoftirqd/0]
There are two of them on the Core Duo machines:
Quote:
root 3 1 0 May08 ? 00:00:00 [ksoftirqd/0]
root 6 1 0 May08 ? 00:00:00 [ksoftirqd/1]

bluethumb 05-17-2007 12:23 PM
I figured this out. I need to use the SMP kernel instead of the regular one. I had heard that "recent" kernels could figure it out by themselves, but apparently 2.6.9 isn't recent enough.


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