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SubjectRe: Realtime Preemption, 2.6.12, Beginners Guide?

* 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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