[OpenSIPS-Devel] Crash in OpenSIPS 2.1.4 (tm?)

[Maxim Sobolev]

Răzvan, we are on FreeBSD there are no futexes on that OS. What's wrong
with using pthreads? It's been working for us before I think. Thanks!

-Max

On Tue, Mar 7, 2017 at 12:20 AM, Răzvan Crainea <razvan at opensips.org> wrote:

> Hi, Nick!
>
> I see you are using pthreads locks, correct? Can you switch the locking
> mechanism to FUTEX and check if it behaves differently?
>
> Best regards,
>
> Răzvan Crainea
> OpenSIPS Solutionswww.opensips-solutions.com
>
> On 03/06/2017 06:59 PM, Maxim Sobolev wrote:
>
> The code leading to a crash is following:
>
>         /* lock reply processing to determine how to proceed reliably */
>         LOCK_REPLIES( t );
>
> We also see a lot of messages like this before the crash:
>
> Mar  6 16:41:17 jenv_1 /usr/local/sbin/opensips[27453]:
> WARNING:core:utimer_ticker: utimer task <tm-utimer> already scheduled for
> 15365200 ms (now 15365390 ms), it may overlap..
>
> ...
>
> Mar  6 16:41:18 jenv_1 /usr/local/sbin/opensips[27453]:
> WARNING:core:utimer_ticker: utimer task <tm-utimer> already scheduled for
> 15366070 ms (now 15366160 ms), it may overlap..
>
> On Mon, Mar 6, 2017 at 8:51 AM, Maxim Sobolev <sobomax at sippysoft.com>
> wrote:
>
>> Hi folks,
>>
>> We have observed the following crash in the OpenSIPS:
>>
>> $ sudo gdb712 /usr/local/sbin/opensips ~/opensips.27455.core
>> GNU gdb (GDB) 7.12 [GDB v7.12 for FreeBSD]
>> Core was generated by `opensips'.
>> Program terminated with signal SIGABRT, Aborted.
>> #0  0x0000000800ccf39a in thr_kill () from /lib/libc.so.7
>> [Current thread is 1 (LWP 100588)]
>> (gdb) bt
>> #0  0x0000000800ccf39a in thr_kill () from /lib/libc.so.7
>> #1  0x0000000800ccf386 in raise () from /lib/libc.so.7
>> #2  0x0000000800ccf309 in abort () from /lib/libc.so.7
>> #3  0x00000008009fe95a in ?? () from /lib/libthr.so.3
>> #4  0x00000008009fa046 in ?? () from /lib/libthr.so.3
>> #5  0x0000000801a148e1 in _lock (s=0x805003800) at lock.h:100
>> #6  0x0000000801a14e84 in final_response_handler (fr_tl=0x805002078) at
>> timer.c:389
>> #7  0x0000000801a1664a in timer_routine (ticks=15362, set=0x0) at
>> timer.c:1066
>> #8  0x00000000004544dd in handle_timer_job () at timer.c:567
>> #9  0x0000000000519920 in handle_io (fm=0x80142e670, idx=1, event_type=1)
>> at net/net_udp.c:265
>> #10 0x00000000005187ca in io_wait_loop_kqueue (h=0x8b6300 <_worker_io>,
>> t=1, repeat=0) at net/../io_wait_loop.h:281
>> #11 0x0000000000519bed in udp_rcv_loop (si=0x80141ff98) at
>> net/net_udp.c:308
>> #12 0x000000000051a5c0 in udp_start_processes (chd_rank=0x7d56c8
>> <chd_rank>, startup_done=0x0) at net/net_udp.c:448
>> #13 0x00000000004318a5 in main_loop () at main.c:731
>> #14 0x0000000000433c79 in main (argc=9, argv=0x7fffffffe950) at
>> main.c:1271
>>
>> The opensips configuration is:
>>
>>         if (method == "INVITE") {
>>                 if (!t_newtran()) {
>>                         sl_reply_error();
>>                         exit;
>>                 };
>>         };
>>         # Do strict routing if pre-loaded route headers present
>>         if (loose_route() && !(method == "INVITE")) {
>>                 t_relay();
>>                 exit;
>>         };
>>         if ((!lookup("location") && method == "INVITE" && uri == myself)
>> || uri == myself) {
>>                 sl_send_reply("404", "Not Found");
>>                 exit;
>>         };
>>         if (method == "INVITE") {
>>                 record_route();
>>         };
>>         if (!t_relay()) {
>>                 sl_reply_error();
>>         };
>>
>> SIP exchange leading to this is below. It's basically case of the call
>> that has been cancelled on the side A but INVITE got no provisional reply
>> on side B.
>>
>> -Max
>>
>>
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>


-- 
Maksym Sobolyev
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