Nolan Waite wrote:
> On 2011-04-12, at 5:12 AM, Gilles Chanteperdrix wrote:
>
>> In the kernel configuration. Could you try changing the following
>> configuration options: CONFIG_FTRACE to n CONFIG_SECURITY to n
>> CONFIG_DEBUG_RODATA to n CONFIG_KGDB to n CONFIG_AUDIT to n Could
>> you to try a 64 bits kernel (with the 32 bits compatibility layer,
>> it should work with a 32 bits rootfs)?
>
> I changed these settings as asked and switched to a 64-bit kernel (I
> had problems cross-compiling, my own fault I'm sure, so I just
> grabbed the x86_64 version of Ubuntu 10.04, but used the same kernel
> source tree I was using before), and now latency runs no problem!
> I've attached the .config here just in case anyone's following along.
>
>
> I'll reenable Analogy or Comedi and see how that goes, but for now
> things are looking good. Let me know if there's any logs or anything
> you'd like to see.
>
> Thanks so much for your walking me through the troubleshooting. Very
> much appreciated.
Well, I am not sure we are through. IMO, we should try and find which of
the options solves the issue, starting with the 64 bits build.
--
Gilles.
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