From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Ingo Molnar <mingo@elte.hu>
Cc: Michal Hocko <mhocko@suse.cz>,
LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: WARNING: at kernel/sched.c:4440 sub_preempt_count+0x81/0x95()
Date: Thu, 15 Jan 2009 17:54:57 +1100 [thread overview]
Message-ID: <200901151754.58311.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <20090113123425.GB29926@elte.hu>
On Tuesday 13 January 2009 23:34:25 Ingo Molnar wrote:
> * Michal Hocko <mhocko@suse.cz> wrote:
> > Hi,
> > I am not sure whether someone has already reported this, but
> > I can see the following early boot WARNING with the 2.6.29-rc1 kernel in
> > the serial console output:
> >
> > ------------[ cut here ]------------
> > WARNING: at kernel/sched.c:4440 sub_preempt_count+0x81/0x95()
>
> That one should be fixed in tip/master and it is in the to-Linus queue of
> fixes:
>
> http://people.redhat.com/mingo/tip.git/README
>
> it's this commit:
>
> 01e3eb8: Revert "sched: improve preempt debugging"
>
> if you want to cherry-pick the fix.
OK, but I still don't think this is the actual problem, but there is
something amiss in the init code being exposed by it.
next prev parent reply other threads:[~2009-01-15 6:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-13 12:24 Michal Hocko
2009-01-13 12:34 ` Ingo Molnar
2009-01-13 13:21 ` Michal Hocko
2009-01-15 6:54 ` Nick Piggin [this message]
2009-01-15 10:00 ` Ingo Molnar
2009-01-15 10:53 ` Nick Piggin
2009-01-15 11:26 ` Ingo Molnar
2009-01-15 11:44 ` Nick Piggin
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