linux-kernel - Re: kernel NULL pointer dereference in check

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Message-ID: <20071012164241.GB17456@slug>
Date:	Fri, 12 Oct 2007 18:42:41 +0200
From:	Frederik Deweerdt <deweerdt@...e.fr>
To:	Jan Blunck <jblunck@...e.de>
Cc:	mingo@...hat.com,
	Linux-Kernel Mailinglist <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: kernel NULL pointer dereference in check_spread+0x0/0x26

On Fri, Oct 12, 2007 at 05:31:32PM +0200, Jan Blunck wrote:
> On Fri, Oct 12, Frederik Deweerdt wrote:
> 
> > On Fri, Oct 12, 2007 at 02:40:54PM +0200, Jan Blunck wrote:
> > > This is with 2.6.23-mm1 and allmodconfig.
> > This generates a .config with CONFIG_SCHED_DEBUG=y and
> > CONFIG_FAIR_GROUP_SCHED=n (The latter causes parent_entity to return
> > NULL).
> > Does setting CONFIG_FAIR_GROUP_SCHED=y help?
> 
> No, CONFIG_FAIR_GROUP_SCHED=y was set. Or did you mean CONFIG_FAIR_CGROUP_SCHED?
He no, I misread the code, sorry for the noise.
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