[OpenSIPS-Users] OpenSIPS Crashes
    Jorge Ortea 
    darham at hotmail.com
       
    Fri Aug 31 13:50:38 CEST 2012
    
    
  
Hi Bogdan,
My opensips version is 1.6.4-2-tls
I'm considering the possibility of updating the version of opensips, do you think that it could avoid this problem?
Thanks.
Regards.
Date: Fri, 31 Aug 2012 13:58:37 +0300
From: bogdan at opensips.org
To: darham at hotmail.com
CC: users at lists.opensips.org
Subject: Re: [OpenSIPS-Users] OpenSIPS Crashes
  
    
  
  
    Hi Jorge,
      
      It looks like the issue is in the SSL lib - if during the
      "tls_accept" something goes wrong and the accept fails, the
      cleaning procedure SSL_SESSION_free crashes - but all these are
      internal to SSL lib. The only thing that opensips itself can
      affect with is the memory manager (the libssl uses the opensips
      internal mem manager).
      
      What I would suggest is to recompile your opensips with memory
      debugging support - maybe it can point to a double free or so.
      What is your opensips version ?
      
      Regards,
      Bogdan
    Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
    
    On 08/31/2012 01:51 PM, Jorge Ortea wrote:
    
      
      
        
        Hi Bogdan,
        
        I have been investigated it, I got the ERROR logs lines, I don't
        know if this can help you: 
        
        
        Aug 28 01:57:03 muc-vfk21
        /usr/local/opensips/sbin/opensips[3775]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 01:57:03 muc-vfk21
        /usr/local/opensips/sbin/opensips[3775]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 01:57:03 muc-vfk21
        /usr/local/opensips/sbin/opensips[3775]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3805]: ERROR:core:_tls_read:
        SYSCALL error -> (024) <Connection reset by peer> 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3805]: ERROR:core:_tls_read:
        something wrong in SSL: 5 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3805]:
        ERROR:core:tcp_read_req: failed to read  
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 01:57:50 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 01:57:51 muc-vfk21
        /usr/local/opensips/sbin/opensips[3762]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: poll error: flags 18 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcp_blocking_connect: failed to retrieve SO_ERROR
        (111) Connection refused 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:core:tcpconn_connect: tcp_blocking_connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:core:tcp_send:
        connect failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]: ERROR:tm:msg_send:
        tcp_send failed 
        Aug 28 02:00:05 muc-vfk21
        /usr/local/opensips/sbin/opensips[3764]:
        ERROR:tm:t_forward_nonack: sending request failed 
        Aug 28 02:43:49 muc-vfk21
        /usr/local/opensips/sbin/opensips[3805]: ERROR:core:_tls_read:
        SYSCALL error -> (0) <Success> 
        Aug 28 02:43:49 muc-vfk21
        /usr/local/opensips/sbin/opensips[3805]: ERROR:core:_tls_read:
        something wrong in SSL: 5 
        Aug 28 02:43:49 muc-vfk21
        /usr/local/opensips/sbin/opensips[3805]:
        ERROR:core:tcp_read_req: failed to read  
        Aug 28 02:47:49 muc-vfk21
        /usr/local/opensips/sbin/opensips[3799]: ERROR:core:_tls_read:
        something wrong in SSL: 1 
        Aug 28 02:47:49 muc-vfk21
        /usr/local/opensips/sbin/opensips[3799]:
        ERROR:core:tls_print_errstack: error:0208F119:SSL
        routines:SSL3_GET_RECORD:decryption failed or bad record mac 
        Aug 28 02:47:49 muc-vfk21
        /usr/local/opensips/sbin/opensips[3799]:
        ERROR:core:tcp_read_req: failed to read 
        
        
        Thanks.
        Regards.
        
        
        
          From: darham at hotmail.com
          To: bogdan at opensips.org; users at lists.opensips.org
          Date: Thu, 30 Aug 2012 15:07:06 +0200
          Subject: Re: [OpenSIPS-Users] OpenSIPS Crashes
          
          
          
            
            Hi Bogdan,
            
            sorry for the disorder,,, I will try explain it:
            
            - Core file 1:
            last line: #0  0x00aed746 in OPENSSL_cleanse () from
            /lib/libcrypto.so.6
            With first segment of backtrace, 8 lines
            
            - Core file 2:
            last line: #0  0x00d26c01 in SSL_CTX_get_timeout () from
            /lib/libssl.so.6
            With second segment of backtrace, 13 lines
            
             
            Thanks.
            Regards.
            
            
            
              Date: Thu, 30 Aug 2012 15:52:08
              +0300
              From: bogdan at opensips.org
              To: users at lists.opensips.org
              CC: darham at hotmail.com
              Subject: Re: [OpenSIPS-Users] OpenSIPS Crashes
              
              And the backtrace for the other core file with:
                    #0  0x00d26c01 in SSL_CTX_get_timeout () from
                /lib/libssl.so.6
                
                REgards,
              Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
              
              On 08/30/2012 11:58 AM, Jorge Ortea wrote:
              
                
                 
                  Hi Bogdan,
                  
                  I have 0.9.8b version of libssl. 
                  
                  - First core dump file:
                  (gdb) bt
                  #0  0x00aed746 in OPENSSL_cleanse () from
                  /lib/libcrypto.so.6
                  #1  0x00d2f4b0 in kssl_ctx_free () from
                  /lib/libssl.so.6
                  #2  0x00d248f4 in SSL_free () from /lib/libssl.so.6
                  #3  0x081606e3 in tls_tcpconn_clean (c=0xb625986c) at
                  tls/tls_server.c:666
                  #4  0x080cbad8 in _tcpconn_rm (c=0xb625986c) at
                  tcp_main.c:505
                  #5  0x080ccd62 in destroy_tcp () at tcp_main.c:1393
                  #6  0x0806e3b5 in cleanup (show_status=1) at
                  main.c:338
                  #7  0x0806f2e4 in handle_sigs () at main.c:534
                  #8  0x08073ac3 in main (argc=1, argv=0xbfbe87a4) at
                  main.c:914
                  (gdb) 
                  
                  
                  - Second coredump file:
                  (gdb) bt
                  #0  0x00d26c01 in SSL_CTX_get_timeout () from
                  /lib/libssl.so.6
                  #1  0x00d26f1f in SSL_SESSION_free () from
                  /lib/libssl.so.6
                  #2  0x00b3f2f7 in sk_dup () from /lib/libcrypto.so.6
                  #3  0x00d26d8c in SSL_CTX_flush_sessions () from
                  /lib/libssl.so.6
                  #4  0x00d23244 in ssl_update_cache () from
                  /lib/libssl.so.6
                  #5  0x00d0e0f6 in ssl3_accept () from /lib/libssl.so.6
                  #6  0x00d22eba in SSL_accept () from /lib/libssl.so.6
                  #7  0x0816461b in tls_accept (c=0xb625986c,
                  poll_events=0x0) at tls/tls_server.c:236
                  #8  0x08164f57 in tls_fix_read_conn (c=0xb625986c) at
                  tls/tls_server.c:889
                  #9  0x080d89e2 in tcp_read_req (con=0xb625986c,
                  bytes_read=0xbfbe8478) at tcp_read.c:451
                  #10 0x080dab94 in handle_io (fm=0x8225ef0, idx=-1) at
                  tcp_read.c:812
                  #11 0x080dc7b7 in tcp_receive_loop (unix_sock=61) at
                  io_wait.h:727
                  #12 0x080cd60e in tcp_init_children
                  (chd_rank=0x819f35c) at tcp_main.c:1706
                  #13 0x08073a71 in main (argc=1, argv=0xbfbe87a4) at
                  main.c:881
                  (gdb) 
                  
                  
                  The only thing I can think of we are testing some
                  softphone with TLS signaling, could be it ??
                  
                  Thanks.
                  Regards.
                  
                  
                  
                    Date: Thu, 30 Aug 2012
                    11:13:23 +0300
                    From: bogdan at opensips.org
                    To: users at lists.opensips.org
                    Subject: Re: [OpenSIPS-Users] OpenSIPS Crashes
                    
                    Hi Jorge,
                    
                    Once you are in gdb, in order to get a back trace,
                    do "bt"
                    
                    Also, what version of libssl do you have on the
                    machine (have you recently upgraded libssl ?)
                    
                    Regards,
                    Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
                    
                    On 08/29/2012 09:48 PM, Jorge Ortea wrote:
                    
                      
                       
                        Hello Bogdan,
                        
                        I just see that there were 2 coredump files,
                        this is the other content:
                        .
                        .
                        .
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/nat_traversal.so
                        Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/nathelper.so...done.
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/nathelper.so
                        Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/mediaproxy.so...done.
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/mediaproxy.so
                        Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/avpops.so...done.
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/avpops.so
                        Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/mangler.so...done.
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/mangler.so
                        Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/load_balancer.so...done.
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/load_balancer.so
                        Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/uac.so...done.
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/uac.so
                        Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/dialplan.so...done.
                        Loaded symbols for
                        /usr/local/opensips/lib/opensips/modules/dialplan.so
                        Reading symbols from /lib/libpcre.so.0...done.
                        Loaded symbols for /lib/libpcre.so.0
                        Reading symbols from
                        /lib/libnss_files.so.2...done.
                        Loaded symbols for /lib/libnss_files.so.2
                        Reading symbols from
                        /lib/libnss_dns.so.2...done.
                        Loaded symbols for /lib/libnss_dns.so.2
                        Failed to read a valid object file image from
                        memory.
                        Core was generated by
                        `/usr/local/opensips/sbin/opensips'.
                        Program terminated with signal 11, Segmentation
                        fault.
                        #0  0x00d26c01 in SSL_CTX_get_timeout () from
                        /lib/libssl.so.6
                        
                        Thanks.
                        Regards.
                        
                        
                          From: darham at hotmail.com
                          To: users at lists.opensips.org
                          Date: Wed, 29 Aug 2012 19:30:32 +0200
                          Subject: Re: [OpenSIPS-Users] OpenSIPS Crashes
                          
                          
                           
                            Hello Bogdan,
                            
                            I have achieved this:
                            .
                            .
                            .
                            Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/nathelper.so...done.
                            Loaded symbols for
                            /usr/local/opensips/lib/opensips/modules/nathelper.so
                            Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/mediaproxy.so...done.
                            Loaded symbols for
                            /usr/local/opensips/lib/opensips/modules/mediaproxy.so
                            Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/avpops.so...done.
                            Loaded symbols for
                            /usr/local/opensips/lib/opensips/modules/avpops.so
                            Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/mangler.so...done.
                            Loaded symbols for
                            /usr/local/opensips/lib/opensips/modules/mangler.so
                            Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/load_balancer.so...done.
                            Loaded symbols for
                            /usr/local/opensips/lib/opensips/modules/load_balancer.so
                            Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/uac.so...done.
                            Loaded symbols for
                            /usr/local/opensips/lib/opensips/modules/uac.so
                            Reading symbols from
/mnt/aux/opensips-1.6.4-2-tls-20110803/bin/opensips-1.6.4-2-tls-20110803/lib/opensips/modules/dialplan.so...done.
                            Loaded symbols for
                            /usr/local/opensips/lib/opensips/modules/dialplan.so
                            Reading symbols from
                            /lib/libpcre.so.0...done.
                            Loaded symbols for /lib/libpcre.so.0
                            Reading symbols from
                            /lib/libnss_files.so.2...done.
                            Loaded symbols for /lib/libnss_files.so.2
                            Reading symbols from
                            /lib/libnss_dns.so.2...done.
                            Loaded symbols for /lib/libnss_dns.so.2
                            Failed to read a valid object file image
                            from memory.
                            Core was generated by
                            `/usr/local/opensips/sbin/opensips'.
                            Program terminated with signal 11,
                            Segmentation fault.
                            #0  0x00aed746 in OPENSSL_cleanse () from
                            /lib/libcrypto.so.6
                            (gdb) quit
                            
                            
                            Thanks.
                            Regards.
                            
                            
                            
                              Date: Wed, 29 Aug
                              2012 14:22:19 +0300
                              From: bogdan at opensips.org
                              To: users at lists.opensips.org
                              Subject: Re: [OpenSIPS-Users] OpenSIPS
                              Crashes
                              
                              Hi Jorge,
                                
                                I see a core file was generated - please
                                extract the backtrace from there with
                                gdb and post it here.
                                
                                Thanks and regards,
                              
                              Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
                              
                              On 08/29/2012 02:05 PM, Jorge Ortea wrote:
                              
                                
                                 Hi all,
                                  
                                  I use OpenSIPS 1.6.4-2-tls from one
                                  year ago and it never did anything
                                  like this. Simply auto-killed, I only
                                  have this log:
                                  .
                                  .
                                  .
                                  Aug 28 03:49:04 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3801]:
                                  INFO:core:tls_accept: client did not
                                  present a certificate 
                                  Aug 28 03:49:12 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3805]:
                                  INFO:core:tls_accept: client did not
                                  present a certificate 
                                  Aug 28 03:49:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3799]:
                                  INFO:core:tls_accept: client did not
                                  present a certificate 
                                  Aug 28 03:49:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3801]:
                                  INFO:core:tls_accept: client did not
                                  present a certificate 
                                  Aug 28 03:51:04 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3801]:
                                  INFO:core:tls_accept: client did not
                                  present a certificate 
                                  Aug 28 03:51:04 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3803]:
                                  INFO:core:tls_accept: client did not
                                  present a certificate 
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3805]:
                                  INFO:core:tls_accept: client did not
                                  present a certificate 
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3839]:
                                  CRITICAL:core:receive_fd: EOF on 62 
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3704]:
                                  INFO:core:handle_sigs: child process
                                  3807 exited by a signal 11 
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3704]:
                                  INFO:core:handle_sigs: core was
                                  generated 
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3704]:
                                  INFO:core:handle_sigs: terminating due
                                  to SIGCHLD 
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3839]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3838]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3832]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3836]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3816]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3834]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3812]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3830]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3828]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3826]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3824]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3828]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3820]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3810]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3818]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3805]:
                                  INFO:core:sig_usr: signal 15 received
                                  
                                  Aug 28 03:51:19 muc-vfk21
                                  /usr/local/opensips/sbin/opensips[3803]:
                                  INFO:core:sig_usr: signal 15 received
                                  .
                                  .
                                  .
                                  
                                  What could be happen ???
                                  
                                  Thanks very much.
                                  Regards. 
                                
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