Messages in this thread | | | Date | Thu, 7 Dec 2006 22:44:34 +0100 | From | Ingo Molnar <> | Subject | Re: v2.6.19-rt6, yum/rpm |
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* Arjan van de Ven <arjan@infradead.org> wrote:
> > i think it's the UP vs. SMP difference. We are chasing some SMP > > latencies right now that trigger on boxes that have deeper C sleep > > states. idle=poll seems to work around those problems. > > well C-states do cause latencies... as advertized in the > /proc/acpi/processor/CPU0/power file.
no, this is a plain logic bug somewhere, not a hardware latency. Sometimes the latency is in the seconds range, etc.
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