netdev - Re: Putting for discussion "__qdisc_run" bug - strange application-dependant error

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Message-ID: <315332.14155.qm@web28609.mail.ukl.yahoo.com>
Date:	Mon, 11 May 2009 11:33:24 +0000 (GMT)
From:	Panadero Pizza <panadero_pizza@...oo.es>
To:	netdev@...r.kernel.org
Cc:	Jarek Poplawski <jarkao2@...il.com>
Subject: Re: Putting for discussion "__qdisc_run" bug - strange application-dependant error

De: Jarek Poplawski

> Since you're suggesting the specific patch has broken this for you, could

> you simply write if 2.6.24.4 (or 2.6.24.7 with "NET: Add preemption point
> in qdisc_run" patch reverted) also solves your problem?

I'm now testing the 2.6.24.7 kernel with CONFIG_PREEMPT_NONE.
(If I knew how to easily revert the patch for the __qdisc_run function,
I would like to test it, too) ... 

> Btw., you've admitted the stack could be a problem; did you try to enable
> any kernel debugging for this?

Thanks for the hint! I have found the DEBUG_STACKOVERFLOW option,
which seems reasonable. Using it now, too.

Testing will now take some days, because errors are very seldom - I will
post my results here again.

Cheers,
David

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