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<p class="MsoNormal"><span style="color:blue">Hi Bogdan, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">One more dump<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#0 final_response_handler (fr_tl=0x7fded2484110) at timer.c:383<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">383 if (is_invite(t) && should_cancel_branch(t, r_buf->branch) ) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.26-20.el7_2.x86_64 glibc-2.17-106.el7_2.4.x86_64 keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.13.2-12.el7_2.x86_64 libcom_err-1.42.9-7.el7.x86_64
libcurl-7.29.0-25.el7.centos.x86_64 libidn-1.28-4.el7.x86_64 libselinux-2.2.2-6.el7.x86_64 libssh2-1.4.3-10.el7_2.1.x86_64 nspr-4.10.8-2.el7_1.x86_64 nss-3.19.1-19.el7_2.x86_64 nss-softokn-freebl-3.16.2.3-13.el7_1.x86_64 nss-util-3.19.1-9.el7_2.x86_64 openldap-2.4.40-9.el7_2.x86_64
openssl-libs-1.0.1e-51.el7_2.4.x86_64 pcre-8.32-15.el7.x86_64 xz-libs-5.1.2-12alpha.el7.x86_64 zlib-1.2.7-15.el7.x86_64<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">(gdb) bt<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#0 final_response_handler (fr_tl=0x7fded2484110) at timer.c:383<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#1 timer_routine (ticks=<optimized out>, set=<optimized out>) at timer.c:1066<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#2 0x000000000049d3cd in handle_timer_job () at timer.c:597<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#3 0x000000000059223e in handle_io (fm=<optimized out>, fm=<optimized out>, fm=<optimized out>, idx=<optimized out>, event_type=2)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"> at net/net_udp.c:265<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#4 io_wait_loop_epoll (h=<optimized out>, t=<optimized out>, repeat=<optimized out>) at net/../io_wait_loop.h:225<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#5 udp_rcv_loop (si=si@entry=0x7fded841dcb0) at net/net_udp.c:308<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#6 0x0000000000593e05 in udp_start_processes (chd_rank=chd_rank@entry=0x84c570 <chd_rank.10940>, startup_done=startup_done@entry=0x0)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"> at net/net_udp.c:448<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#7 0x0000000000419b73 in main_loop () at main.c:736<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">#8 main (argc=<optimized out>, argv=<optimized out>) at main.c:1282<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Ramachandran, Agalya (Contractor) <br>
<b>Sent:</b> Friday, September 30, 2016 9:44 AM<br>
<b>To:</b> 'Bogdan-Andrei Iancu' <bogdan@opensips.org>; OpenSIPS users mailling list <users@lists.opensips.org><br>
<b>Subject:</b> opensips crash when doing load test<o:p></o:p></p>
</div>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:blue">Hi Bogdan, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">I have taken 2.1.4 code base, added the below fixes on top of it<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="color:blue"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:blue">Fix potential starvation for the timer tasks.
</span><span style="font-size:9.0pt;font-family:Consolas;color:#444444;background:white">66c337cc89a2b5c3e1bbd78c289371efcda21886</span><span style="color:blue"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="color:blue"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:blue">rest_client: Improve polling logic during TCP connect -
</span><span style="font-size:9.0pt;font-family:Consolas;color:#444444;background:white">c40f2b057209b8078520abc95e5d1bf5e5a28db6</span><span style="color:blue"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="color:blue"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:blue">rest_client: Add "connect_poll_interval" module parameter -
</span><span style="font-size:9.0pt;font-family:Consolas;color:#444444;background:white">f5abfb3dee649a14ae39ad74d7f04454f815748f</span><span style="color:blue"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="color:blue"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:blue">rest_client: Fix bogus condition -</span><span style="font-size:9.0pt;font-family:Consolas;color:#444444;background:white">3ba7be6692c6987faecb9c4c904035d5e7c0f916</span><span style="color:blue"><o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">When I try to perform load test on that code base, randomly am seeing OpenSIPS is crashing.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Here is the full trace of the core file. Let me know if you need any additional information or logs.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Am seeing crash is occurring at start_timer_extra_processes().<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">[root@poc-siplb-cmc-e-004 corefiles]# gdb /usr/local/sbin/opensips core.opensips.sig11.3977<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Copyright (C) 2013 Free Software Foundation, Inc.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">License GPLv3+: GNU GPL version 3 or later <<a href="http://gnu.org/licenses/gpl.html">http://gnu.org/licenses/gpl.html</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">This is free software: you are free to change and redistribute it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">There is NO WARRANTY, to the extent permitted by law. Type "show copying"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">and "show warranty" for details.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">This GDB was configured as "x86_64-redhat-linux-gnu".<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">For bug reporting instructions, please see:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><<a href="http://www.gnu.org/software/gdb/bugs/">http://www.gnu.org/software/gdb/bugs/</a>>...<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Reading symbols from /usr/local/sbin/opensips...done.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">[New LWP 3977]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">[Thread debugging using libthread_db enabled]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Using host libthread_db library "/lib64/libthread_db.so.1".<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Core was generated by `/usr/local/sbin/opensips -P /var/run/opensips.pid'.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Program terminated with signal 11, Segmentation fault.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">#0 final_response_handler (fr_tl=0x7f55fcd82948) at timer.c:383<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">383 if (is_invite(t) && should_cancel_branch(t, r_buf->branch) ) {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.26-20.el7_2.x86_64 glibc-2.17-106.el7_2.4.x86_64 keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.13.2-12.el7_2.x86_64 libcom_err-1.42.9-7.el7.x86_64
libcurl-7.29.0-25.el7.centos.x86_64 libidn-1.28-4.el7.x86_64 libselinux-2.2.2-6.el7.x86_64 libssh2-1.4.3-10.el7_2.1.x86_64 nspr-4.10.8-2.el7_1.x86_64 nss-3.19.1-19.el7_2.x86_64 nss-softokn-freebl-3.16.2.3-13.el7_1.x86_64 nss-util-3.19.1-9.el7_2.x86_64 openldap-2.4.40-9.el7_2.x86_64
openssl-libs-1.0.1e-51.el7_2.4.x86_64 pcre-8.32-15.el7.x86_64 xz-libs-5.1.2-12alpha.el7.x86_64 zlib-1.2.7-15.el7.x86_64<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">(gdb) bt<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">#0 final_response_handler (fr_tl=0x7f55fcd82948) at timer.c:383<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">#1 timer_routine (ticks=<optimized out>, set=<optimized out>) at timer.c:1066<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">#2 0x000000000049d03a in handle_timer_job () at timer.c:597<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">#3 start_timer_extra_processes (chd_rank=chd_rank@entry=0x84c570 <chd_rank.10940>) at timer.c:557<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">#4 0x0000000000419b9a in main_loop () at main.c:748<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">#5 main (argc=<optimized out>, argv=<optimized out>) at main.c:1282<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:blue">Agalya<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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