From: Dave Jones <davej@redhat.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Yuchung Cheng <ycheng@google.com>, Julian Anastasov <ja@ssi.bg>,
netdev@vger.kernel.org
Subject: Re: kernel BUG at kernel/timer.c:748!
Date: Mon, 24 Sep 2012 11:39:21 -0400 [thread overview]
Message-ID: <20120924153921.GA13845@redhat.com> (raw)
In-Reply-To: <20120920020223.GA28110@redhat.com>
On Wed, Sep 19, 2012 at 10:02:23PM -0400, Dave Jones wrote:
> On Thu, Sep 20, 2012 at 12:01:22AM +0200, Eric Dumazet wrote:
>
> > I spent some time trying to track this bug, but found nothing so far.
> >
> > The timer->function are never cleared by TCP stack at tear down, and
> > should be set before fd is installed and can be caught by other threads.
> >
> > Most likely its a refcounting issue...
> >
> > Following debugging patch might trigger a bug sooner ?
>
> 4 hours so far, nothing.. I'll leave it run overnight, but it doesn't seem to have
> made much difference if any.
One of my over-weekend runs hit this again, but it didn't trigger the WARN that
your patch added :-/
Dave
next prev parent reply other threads:[~2012-09-24 15:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-05 4:35 kernel BUG at kernel/timer.c:748! Dave Jones
2012-09-05 16:04 ` Lin Ming
2012-09-05 16:37 ` Yuchung Cheng
2012-09-05 17:08 ` Dave Jones
2012-09-05 21:18 ` Jerry Chu
2012-09-05 20:48 ` Julian Anastasov
2012-09-14 21:29 ` Dave Jones
2012-09-15 18:16 ` Yuchung Cheng
2012-09-19 21:10 ` Dave Jones
2012-09-19 22:01 ` Eric Dumazet
2012-09-20 2:02 ` Dave Jones
2012-09-24 15:39 ` Dave Jones [this message]
2012-09-24 16:34 ` Eric Dumazet
2012-09-24 17:00 ` Eric Dumazet
2012-09-24 17:11 ` Dave Jones
2012-09-24 17:31 ` Eric Dumazet
2012-09-24 18:11 ` Dave Jones
2012-09-24 20:53 ` David Miller
2012-09-24 20:53 ` David Miller
2012-09-24 21:01 ` Eric Dumazet
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