All of lore.kernel.org
 help / color / mirror / Atom feed
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

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120924153921.GA13845@redhat.com \
    --to=davej@redhat.com \
    --cc=eric.dumazet@gmail.com \
    --cc=ja@ssi.bg \
    --cc=netdev@vger.kernel.org \
    --cc=ycheng@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.