Re: Realtime Preemption, 2.6.12, Beginners Guide?

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> wrote:

> * Alistair John Strachan <s0348365@xxxxxxxxxxxx> wrote:
> 
> > Unfortunately I see nothing like this when the machine crashes. Find 
> > attached my config, which has CONFIG_4KSTACKS and the options you 
> > specified. Are you sure this is sufficient to enable it?
> 
> another thing - if you disable 4K stacks, which doesnt crash, and do 
> the workload that crashes 4K stacks, do you get any stack-footprint 
> maximum printouts from openvpn (or related) contexts?

and yet another guess: if this is related to interrupts then disabling 
UP_IOAPIC could change the characteristics of the crash.

	Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/