From: Mattia Dongili <malattia@linux.it>
To: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, mingo@redhat.com,
netdev@vger.kernel.org, netfilter-devel@lists.netfilter.org
Subject: Re: dynticks + iptables almost stops the boot process [was: Re: 2.6.20-rc6-mm3]
Date: Tue, 6 Feb 2007 20:28:40 +0100 [thread overview]
Message-ID: <20070206192840.GB2971@inferi.kami.home> (raw)
In-Reply-To: <20070206164826.GA3491@elte.hu>
On Tue, Feb 06, 2007 at 05:48:26PM +0100, Ingo Molnar wrote:
>
> Mattia,
>
> * Mattia Dongili <malattia@linux.it> wrote:
>
> > > I have it halfways reproducible now and I'm working to find the root
> > > cause. Thanks for providing the info.
> >
> > Great, I'm obviously available to test any patch :)
>
> Could you try the patch below? The RCU serialization code (a rare call
> but can be common in some types of setups) has a nasty implicit
> dependency on the HZ tick - which until now was a hidden wart but became
> an explicit bug under dynticks. Maybe this is what is slowing down your
> box.
No, not this. Anyway the last patch Thomas forwarded does fix the
problem.
By the way, I have all the patches I received stacked up, if you want me
to test some different combination, just ask.
Thanks
--
mattia
:wq!
next prev parent reply other threads:[~2007-02-06 19:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070129204528.eb8d695e.akpm@osdl.org>
[not found] ` <20070131215241.GB2890@inferi.kami.home>
[not found] ` <20070131232130.GC4137@inferi.kami.home>
[not found] ` <1170358572.29240.292.camel@localhost.localdomain>
[not found] ` <1170360101.29240.297.camel@localhost.localdomain>
[not found] ` <20070201211137.GA2830@inferi.kami.home>
[not found] ` <1170369202.29240.339.camel@localhost.localdomain>
2007-02-02 19:18 ` dynticks + iptables almost stops the boot process [was: Re: 2.6.20-rc6-mm3] Mattia Dongili
2007-02-02 20:27 ` Thomas Gleixner
2007-02-02 20:43 ` Mattia Dongili
2007-02-06 16:48 ` Ingo Molnar
2007-02-06 19:28 ` Mattia Dongili [this message]
2007-02-06 23:12 ` Tilman Schmidt
2007-02-06 23:17 ` Thomas Gleixner
2007-02-07 1:01 ` Andrew Morton
2007-02-07 19:33 ` Ingo Molnar
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