Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U3

From: Ingo Molnar
Date: Sun Oct 17 2004 - 11:55:35 EST



* Rui Nuno Capela <rncbc@xxxxxxxxx> wrote:

> OK. Here goes some more food-for-thought :)
>
> - minitor.cap-2.6.9-rc4-mm1-RT-U4.1smp.tar.gz has another three
> capture sessions, minicom.cap.{3,4,5}, which stalls on boot/init
> (CONFIG_PREEMPT_REALTIME=y). Take a special look on minicom.cap.5,
> where the session has been force-truncated, due to an never ending
> trace dump, and where no SysRq could do the rescue. This is one of
> another symptoms, but with less occurrences I've noticed.

i think you are getting stack overflows. Could you disable
CONFIG_4KSTACKS and see whether that helps?

Ingo


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