As per ticket, the issue you reported was already fixed, so going for the latest version in 2.4 branchshould be fine with you.

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  https://www.opensips-solutions.com
OpenSIPS Summit 2019
  https://www.opensips.org/events/Summit-2019Amsterdam/

On 06/26/2019 06:21 PM, Ben Newlin wrote:

Bogdan,

I will test both with the latest and with that specific commit, but I cannot use the latest in production due to the issue I reported in 2.4.6. [1] Perhaps that specific commit is before whatever change is causing that issue.

[1] https://github.com/OpenSIPS/opensips/issues/1736 <https://github.com/OpenSIPS/opensips/issues/1736>

Ben Newlin

*From: *Bogdan-Andrei Iancu <bog...@opensips.org>
*Date: *Wednesday, June 26, 2019 at 10:56 AM
*To: *OpenSIPS devel mailling list <devel@lists.opensips.org>, Ben Newlin <ben.new...@genesys.com>
*Subject: *Re: [OpenSIPS-Devel] OpenSIPS Crash

Hi Ben,

While re-checking some of some data related to your report, I noticed that your opensips version (revision d025b4f61) is a bit old and it is missing some fixes that might be relevant for you (mainly 3a994ceeafc6830a1c3b3f2699a7dc1ea915c83a).

Could you grab the latest 2.4 from git and give it a try please.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS Summit 2019
   https://www.opensips.org/events/Summit-2019Amsterdam/

On 06/26/2019 02:37 PM, Bogdan-Andrei Iancu wrote:

    Thank you Ben,

    This backtrace confirms the initial suspicion - I'm trying to find
    out a way to get it fixed in a more generic way; what you
    experience is just one face of the problem (with many faces :P)
    and there are other related reports.

    Regards,

    Bogdan-Andrei Iancu

    OpenSIPS Founder and Developer

       https://www.opensips-solutions.com

    OpenSIPS Summit 2019

       https://www.opensips.org/events/Summit-2019Amsterdam/

    On 06/26/2019 02:34 AM, Ben Newlin wrote:

        Bogdan,

        I have now been able to reproduce this crash reliably, I
        believe. Please see the backtrace [1]. Is there some other
        information you would like me to collect when this occurs?

        [1] https://pastebin.com/n0Ph8XH5 <https://pastebin.com/n0Ph8XH5>

        Ben Newlin

        *From: *Bogdan-Andrei Iancu <bog...@opensips.org>
        <mailto:bog...@opensips.org>
        *Date: *Friday, June 7, 2019 at 9:15 AM
        *To: *Ben Newlin <ben.new...@genesys.com>
        <mailto:ben.new...@genesys.com>, OpenSIPS devel mailling list
        <devel@lists.opensips.org> <mailto:devel@lists.opensips.org>
        *Subject: *Re: [OpenSIPS-Devel] OpenSIPS Crash

        Hi Ben,

        How often/easy is to reproduce this crash (if possible) ?
        Brainstorming with Razvan, we suspect a race (on the msg save
        in shmem in transaction) between the process doing the cleanup
        after the async resume and the process running the failure
        route (due th 503).

        But this is just a supposition, eventually you can validate it
        or not by removing the async ??

        And on the double ACK - I'm not 100% it is a actually a double
        one, as the second has a smaller MF value (69, versus the 70
        on the first ACK).

        Regards,


        Bogdan-Andrei Iancu

        OpenSIPS Founder and Developer

           https://www.opensips-solutions.com

        OpenSIPS Summit 2019

           https://www.opensips.org/events/Summit-2019Amsterdam/

        On 06/07/2019 03:52 PM, Ben Newlin wrote:

            Bogdan,

            Sorry, I should have thought to actually look at the trace
            and examine this call.

            1) Yes

            2) The Called Party is 10.32.20.60, which is another
            OpenSIPS instance. The crashed instance received the "503
            Service Unavailable" approximately 8-10 ms after sending
            the INVITE.

            There is a SIP trace of the exchange here:
            https://pastebin.com/6bttsSVD <https://pastebin.com/6bttsSVD>.

            One oddity I saw is that the crashed process appears to
            send (or at least siptrace) the ACK twice.

            Ben Newlin

            *From: *Bogdan-Andrei Iancu <bog...@opensips.org>
            <mailto:bog...@opensips.org>
            *Date: *Thursday, June 6, 2019 at 11:42 AM
            *To: *OpenSIPS devel mailling list
            <devel@lists.opensips.org>
            <mailto:devel@lists.opensips.org>, Ben Newlin
            <ben.new...@genesys.com> <mailto:ben.new...@genesys.com>
            *Subject: *Re: [OpenSIPS-Devel] OpenSIPS Crash

            Hi Ben,

            Thanks for "another" report :).

            Questions:
            1) do you do any async for the INVITE in this crash ?
            2) if it is an YES to (1), is the caller party generating
            the "503 Service Unavailable" (which triggers the crash) -
            10.32.20.60 ?? - a really close (from net delay
            perspective) and fast to answer party ?

            Regards,



            Bogdan-Andrei Iancu

            OpenSIPS Founder and Developer

               https://www.opensips-solutions.com

            OpenSIPS Summit 2019

               https://www.opensips.org/events/Summit-2019Amsterdam/

            On 06/05/2019 10:02 PM, Ben Newlin wrote:

                We have had another crash today.

                Backtrace is here: https://pastebin.com/q4RQC7kS
                <https://pastebin.com/q4RQC7kS>

                I found this in the log at the time of the crash:

                Jun 5 17:54:10 [4978] CRITICAL:core:sig_usr: segfault
                in process pid: 4978, id: 8

                Please let me know if any further information can be
                useful.

                Ben Newlin

                *From: *Devel <devel-boun...@lists.opensips.org>
                <mailto:devel-boun...@lists.opensips.org> on behalf of
                Ben Newlin <ben.new...@genesys.com>
                <mailto:ben.new...@genesys.com>
                *Reply-To: *OpenSIPS devel mailling list
                <devel@lists.opensips.org>
                <mailto:devel@lists.opensips.org>
                *Date: *Friday, May 10, 2019 at 6:31 PM
                *To: *OpenSIPS devel mailling list
                <devel@lists.opensips.org>
                <mailto:devel@lists.opensips.org>
                *Subject: *Re: [OpenSIPS-Devel] OpenSIPS Crash

                I found this in the log at the time of the crash:

                kernel: opensips[5003]: segfault at 30 ip
                00007fbd4c8f59d0 sp 00007ffcaa850c80 error 6 in
                tm.so[7fbd4c887000+8e000]

                Ben Newlin

                *From: *Devel <devel-boun...@lists.opensips.org>
                <mailto:devel-boun...@lists.opensips.org> on behalf of
                Ben Newlin <ben.new...@genesys.com>
                <mailto:ben.new...@genesys.com>
                *Reply-To: *OpenSIPS devel mailling list
                <devel@lists.opensips.org>
                <mailto:devel@lists.opensips.org>
                *Date: *Friday, May 10, 2019 at 5:44 PM
                *To: *OpenSIPS devel mailling list
                <devel@lists.opensips.org>
                <mailto:devel@lists.opensips.org>
                *Subject: *[OpenSIPS-Devel] OpenSIPS Crash

                Hello,

                We had a crash today of our OpenSIPS instance.

                Backtrace is here: https://pastebin.com/QbRJimwx

                # opensips -V

                version: opensips 2.4.5 (x86_64/linux)

                flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP,
                PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT

                ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144,
                MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535

                poll method support: poll, epoll, sigio_rt, select.

                git revision: d025b4f61

                main.c compiled on 20:58:31 May  9 2019 with gcc 7

                Ben Newlin






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