Re: Realtime Preemption, 2.6.12, Beginners Guide?

From: Ingo Molnar (mingo_at_elte.hu)
Date: 07/07/05

  • Next message: Brice Goglin: "Re: 2.6.13-rc2-mm1" 
    Date:	Thu, 7 Jul 2005 13:29:36 +0200
To: Alistair John Strachan <s0348365@sms.ed.ac.uk>

    * Alistair John Strachan <s0348365@sms.ed.ac.uk> wrote:

    > Unfortunately, since this is called when the kernel crashes, it's
    > impossible for me to capture any messages prior to this spam, if there
    > even are any.

    this is where serial logging (or netconsole/netlogging) may be useful.

    do you have DEBUG_STACKOVERFLOW and latency tracing still enabled? The
    combination of those two options is pretty good at detecting stack
    overflows. Also, you might want to enable CONFIG_4KSTACKS, that too
    disturbs the stack layout enough so that the error message may make it
    to the console.

            Ingo
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