On 03/13/2013 08:43 PM, Jeroen Van den Keybus wrote:
> Hi,
Hi,
>
>
> We have configured Linux 3.5.7 / Xenomai 2.6.2.1 on an MSI-7514 mainboard
> with a Core 2 Duo CPU.
>
> This configuration suffers from excessive worst-case latencies during the
> 'latency' test (on average: 2.6 µs, worst-case around 1900 µs, around 10
> overruns per second). I believe these overruns are due to the CPUs entering
> SM mode (SMI). As soon as the ACPI BIOS SMI
Do you have ACPI enabled in the kernel configuration?
--
Gilles.
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