From: "Paweł Sikora" <pluto@agmk.net>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>
Subject: Re: [2.6.14-rt1] slowdown / oops.
Date: Wed, 2 Nov 2005 18:36:58 +0100 [thread overview]
Message-ID: <200511021836.59055.pluto@agmk.net> (raw)
> * Ingo Molnar <mingo@elte.hu> wrote:
>
> > more updates: NETFILTER_DEBUG catches the situation too - the problem
> > seems to be wrong reference counts on the skb. [...]
>
> ok, could you check whether the patch below fixes the problem for you?
> (I have also put it into -rt4)
>
> local_bh_disable()/enable() is a NOP under PREEMPT_RT, and the
> ip_ct_deliver_cached_events PER_CPU code relies on not being preempted
> by the net_rx_action softirq handler. So this is a bug in PREEMPT_RT and
> the upstream code should be fine.
Thx, -rt4 works fine.
--
The only thing necessary for the triumph of evil
is for good men to do nothing.
- Edmund Burke
next reply other threads:[~2005-11-02 17:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-02 17:36 Paweł Sikora [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-02 13:20 [2.6.14-rt1] slowdown / oops Paweł Sikora
2005-11-02 13:29 ` Ingo Molnar
2005-11-02 13:40 ` Paweł Sikora
2005-11-02 13:44 ` Ingo Molnar
2005-11-02 13:47 ` Ingo Molnar
2005-11-02 13:55 ` Ingo Molnar
2005-11-02 14:00 ` Ingo Molnar
2005-11-02 14:25 ` Ingo Molnar
2005-11-02 15:12 ` Ingo Molnar
2005-11-02 15:33 ` Ingo Molnar
2005-11-03 2:09 ` Rusty Russell
2005-11-03 10:12 ` Ingo Molnar
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