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SubjectRe: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U3
From
Ingo Molnar wrote:
>
> Rui Nuno Capela wrote:
>
>> OK. Here goes some more food-for-thought :)
>> - minicom.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?
>

OK. There is goes another bunch, now with CONFIG_4KSTACKS not set. It
doesn't seem to solve anything, unless perhaps more entropy.

BTW, stack overflows wasn't supposed to be pin-pointed when one has
CONFIG_DEBUG_STACKOVERFLOW=y ???

Take care.
--
rncbc aka Rui Nuno Capela
rncbc@rncbc.org
[unhandled content-type:application/x-tgz][unhandled content-type:application/x-gzip]
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