All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jamal Hadi Salim <jhs@mojatatu.com>
To: linux-sctp@vger.kernel.org
Subject: Re: undetected closed apps
Date: Fri, 20 Dec 2013 12:23:10 +0000	[thread overview]
Message-ID: <52B436AE.2000804@mojatatu.com> (raw)
In-Reply-To: <52AC7375.6010505@mojatatu.com>

On 12/19/13 12:24, Vlad Yasevich wrote:
> On 12/19/2013 09:26 AM, Jamal Hadi Salim wrote:

>
> So, on this line socket state (SST) is 7 which is SCTP_SS_CLOSED.  This
> means that you performed a close() call.  The association state (ST) is
> 4 which is SHUTDOWN_PENDING.  This means that when you tried to close
> the socket, the association thought that there was some pending data.
>
> I seem to remember you and I discussing this situation before, but I
> can't find that thread.
>
> I'll take another look at how PR interacts with queue state to see if
> we can detect the proper empty state to send a SHUTDOWN.
>
> However, what the above tells me is that you don't actually set
> SO_LINGER on this socket.  If you did, instead of attempting SHUTDOWN,
> we would have sent an abort.  That might be a good workaround until
> we solve this "queue empty" problem.
>

I will give this a try when i get to the office. I am certain we linger
on the server. On client side, at one point we turned off heartbeats on
the client side and that typically goes with linger on. I will double
check.

cheers,
jamal


  parent reply	other threads:[~2013-12-20 12:23 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-14 15:04 undetected closed apps Jamal Hadi Salim
2013-12-14 15:16 ` Jamal Hadi Salim
2013-12-14 15:27 ` Jamal Hadi Salim
2013-12-14 17:06 ` Michael Tuexen
2013-12-14 17:21 ` Jamal Hadi Salim
2013-12-14 17:23 ` Michael Tuexen
2013-12-14 17:36 ` Jamal Hadi Salim
2013-12-14 18:35 ` Jamal Hadi Salim
2013-12-14 18:47 ` Michael Tuexen
2013-12-14 19:09 ` Jamal Hadi Salim
2013-12-14 19:27 ` Jamal Hadi Salim
2013-12-14 20:06 ` Michael Tuexen
2013-12-15 15:21 ` Jamal Hadi Salim
2013-12-15 15:32 ` Michael Tuexen
2013-12-15 19:08 ` Jamal Hadi Salim
2013-12-16 15:19 ` Vlad Yasevich
2013-12-17 13:49 ` Jamal Hadi Salim
2013-12-17 15:11 ` Vlad Yasevich
2013-12-18 12:30 ` Jamal Hadi Salim
2013-12-18 17:58 ` Vlad Yasevich
2013-12-19 14:26 ` Jamal Hadi Salim
2013-12-19 17:24 ` Vlad Yasevich
2013-12-19 18:16 ` Vlad Yasevich
2013-12-20 12:23 ` Jamal Hadi Salim [this message]
2013-12-20 12:29 ` Jamal Hadi Salim
2013-12-20 17:00 ` Jamal Hadi Salim
2013-12-20 18:44 ` Jamal Hadi Salim

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=52B436AE.2000804@mojatatu.com \
    --to=jhs@mojatatu.com \
    --cc=linux-sctp@vger.kernel.org \
    /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.