[Freeswitch-users] need desperate help with zombie channels

Juan Backson juanbackson at gmail.com
Fri Nov 13 05:13:12 PST 2009


Hi,

I am having difficulty trying to figure out why there are bunch of zombie
channels in my system.  It seems to me that these zombies come from
apr_thread pool.

Does anyone have any idea what may be the cause of these problems?


freeswitch at internal> show channels
uuid,direction,created,created_epoch,name,state,cid_name,cid_num,ip_addr,dest,application,application_data,dialplan,context,read_codec,read_rate,write_codec,write_rate,secure
b789468a-4412-490b-bc66-32f149ba4d1d,outbound,2009-11-13
20:15:35,1258114535,sofia/external/999100 at 192.168.1.116:9342
,CS_REPORTING,a88999001,a88999001,192.168.1.116,999100 at 192.168.1.116:9342
,,,XML,default,,,,,
7e1ecaaa-b2d8-47a0-9982-25cd44186d4e,outbound,2009-11-13
20:15:35,1258114535,sofia/external/999100 at 192.168.1.116:9342
,CS_REPORTING,a88999001,a88999001,192.168.1.116,999100 at 192.168.1.116:9342
,,,XML,default,,,,,
01fa2ff6-f807-4ef0-b988-70a9fe8c4536,outbound,2009-11-13
20:15:35,1258114535,sofia/external/999100 at 192.168.1.116:9342
,CS_EXCHANGE_MEDIA,a88999001,a88999001,192.168.1.116,
999100 at 192.168.1.116:9342,incre_call_stat,125 165 182 235 13 3184093
0,XML,default,,,,,
0271541f-f0b5-482c-b05d-b196f85121be,inbound,2009-11-13
20:15:35,1258114535,sofia/external/88999001 at 192.168.1.116:7342
,CS_EXECUTE,sipp,88999001,192.168.1.116,88999100,hangup,NORMAL_CLEARING,XML,default,,,,,
7e4ccfec-a4ad-4817-9a82-f1166b34576f,outbound,2009-11-13
20:15:35,1258114536,sofia/external/999100 at 192.168.1.116:9342
,CS_CONSUME_MEDIA,a88999001,a88999001,192.168.1.116,
999100 at 192.168.1.116:9342,,,XML,default,,,,,

5 total.

freeswitch at internal> uuid_kill b789468a-4412-490b-bc66-32f149ba4d1d
-ERR No Such Channel!

These channels actually do not exist in the system!


Here is my gcore output with 5 zombies out of 100K test calls :


Thread 21 (process 8946):
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 128000}
#2  0x00002b3cb3bfb8ca in switch_console_loop () at src/switch_console.c:819
        arg = 1
        thread = (switch_thread_t *) 0x2aaab00320d0
        thd_attr = (switch_threadattr_t *) 0x2aaab0032070
        pool = (switch_memory_pool_t *) 0x2aaab0031f88
        __func__ = "switch_console_loop"
        __PRETTY_FUNCTION__ = "switch_console_loop"
#3  0x0000000000402884 in main (argc=1, argv=<value optimized out>)
    at src/switch.c:753
        pid_path = "/usr/local/freeswitch/log/freeswitch.pid", '\0' <repeats
219 times>
        pid_buffer = "8946", '\0' <repeats 27 times>
        old_pid_buffer = '\0' <repeats 31 times>
        pid_len = 4
        old_pid_len = 4198811
        err = 0x2b3cb3cec77d "Success"
---Type <return> to continue, or q <return> to quit---
        nf = 0
        runas_user = <value optimized out>
        runas_group = <value optimized out>
        nc = 0
        pid = <value optimized out>
        x = <value optimized out>
        opts = <value optimized out>
        opts_str = '\0' <repeats 1023 times>
        local_argv = {0x7ffff6f08c15 "./freeswitch", 0x0 <repeats 1023
times>}
        arg_argv = {0x0 <repeats 128 times>}
        alt_dirs = 0
        known_opt = <value optimized out>
        high_prio = 0
        flags = 65
        ret = <value optimized out>
        destroy_status = <value optimized out>
        fd = (switch_file_t *) 0xb6293e0
        pool = (switch_memory_pool_t *) 0xb629368
        rlp = {rlim_cur = 245760, rlim_max = 245760}
        waste = 0
        __PRETTY_FUNCTION__ = "main"

Thread 20 (process 20699):
---Type <return> to continue, or q <return> to quit---
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 0}
#2  0x00002aaaab35e926 in read_packet (listener=0x2aaae7523d08,
    event=0x2aab3b5ab058, timeout=0) at mod_event_socket.c:1255
        do_sleep = 1 '\001'
        mlen = 0
        bytes = 0
        mbuf = '\0' <repeats 2047 times>
        buf = '\0' <repeats 1023 times>
        len = 123
        status = SWITCH_STATUS_BREAK
        count = <value optimized out>
        start = 1258117263
        pop = (void *) 0x2aaad12f6540
        ptr = 0x2aab3b5a98a0 ""
        crcount = 0 '\0'
        channel = (switch_channel_t *) 0x0
        clen = <value optimized out>
        __func__ = "read_packet"
        __PRETTY_FUNCTION__ = "read_packet"
---Type <return> to continue, or q <return> to quit---
#3  0x00002aaaab36347a in listener_run (thread=<value optimized out>,
    obj=0x2aaae7523d08) at mod_event_socket.c:2093
        listener = (listener_t *) 0x0
        buf = '\0' <repeats 1023 times>
        len = 1024
        status = <value optimized out>
        event = (switch_event_t *) 0x0
        reply = "\000OK log level  [7]", '\0' <repeats 493 times>
        session = (switch_core_session_t *) 0x0
        channel = <value optimized out>
        revent = (switch_event_t *) 0x0
        var = <value optimized out>
        __PRETTY_FUNCTION__ = "listener_run"
        __func__ = "listener_run"
#4  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 19 (process 14505):
#0  0x0000003054e0a899 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#1  0x00002b3cb3c63b42 in apr_queue_pop (queue=0x2aaaaaf49798,
data=0x7afe0080)
    at misc/apr_queue.c:276
        rv = 0
#2  0x00002b3cb3c206be in switch_event_dispatch_thread (
    thread=<value optimized out>, obj=<value optimized out>)
    at src/switch_event.c:248
        pop = (void *) 0x0
        event = (switch_event_t *) 0x0
        queue = (switch_queue_t *) 0x2aaaaaf49798
        my_id = 1
        __func__ = "switch_event_dispatch_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 18 (process 9334):
#0  0x0000003054e0d2cb in read () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00002b3cb3cd50c8 in read_char (el=0x2aaab0028180, cp=0x4027002f "")
    at read.c:294
        num_read = 1076297860
        tried = 0
---Type <return> to continue, or q <return> to quit---
#2  0x00002b3cb3cd4ceb in el_gets (el=0x2aaab0028180, nread=0x40270084)
    at read.c:241
        cmdnum = 112 'p'
        num = -1321754256
        ch = 0 '\0'
#3  0x00002b3cb3bfc4bb in console_thread (thread=<value optimized out>,
    obj=<value optimized out>) at src/switch_console.c:464
        arg = 1
        count = 1
        line = 0x2aaab0034e70 "\n"
        pool = (switch_memory_pool_t *) 0x2aaab0031f88
        __func__ = "console_thread"
        __PRETTY_FUNCTION__ = "console_thread"
#4  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 17 (process 9333):
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
---Type <return> to continue, or q <return> to quit---
        tv = {tv_sec = 0, tv_usec = 0}
#2  0x00002b3cb3c53895 in softtimer_runtime () at src/switch_time.c:464
        current_ms = 692
        x = 690
        tick = 292
        ts = <value optimized out>
        last = 1258117283599783
        fwd_errs = 0
        rev_errs = 0
        __func__ = "softtimer_runtime"
#3  0x00002b3cb3c1a347 in switch_loadable_module_exec (thread=0x0, obj=0x0)
    at src/switch_loadable_module.c:94
        status = <value optimized out>
        ts = (switch_core_thread_session_t *) 0x0
        module = (switch_loadable_module_t *) 0xb6c4e00
        __PRETTY_FUNCTION__ = "switch_loadable_module_exec"
        __func__ = "switch_loadable_module_exec"
#4  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 16 (process 9332):
---Type <return> to continue, or q <return> to quit---
#0  0x0000003054e0d4eb in accept () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00002b3cb3c707a4 in apr_socket_accept (new=0x416b4020, sock=0xbcfde38,

    connection_context=0x2aaacda27718) at network_io/unix/sockets.c:187
No locals.
#2  0x00002aaaab35f889 in mod_event_socket_runtime ()
    at mod_event_socket.c:2324
        pool = (switch_memory_pool_t *) 0xbcfdc88
        listener_pool = (switch_memory_pool_t *) 0x2aaacda27718
        rv = <value optimized out>
        sa = (switch_sockaddr_t *) 0xbcfdd68
        inbound_socket = (switch_socket_t *) 0x2aaacda277f8
        listener = <value optimized out>
        x = <value optimized out>
        __func__ = "mod_event_socket_runtime"
#3  0x00002b3cb3c1a347 in switch_loadable_module_exec (thread=0x14f,
    obj=0x2aaacda27948) at src/switch_loadable_module.c:94
        status = <value optimized out>
        ts = (switch_core_thread_session_t *) 0x2aaacda27948
        module = (switch_loadable_module_t *) 0x2aaaac0058c0
        __PRETTY_FUNCTION__ = "switch_loadable_module_exec"
        __func__ = "switch_loadable_module_exec"
#4  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#5  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 15 (process 9330):
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 55000}
#2  0x00002aaab503cc4c in node_thread_run (thread=<value optimized out>,
    obj=<value optimized out>) at mod_fifo.c:580
        val = (void *) 0x0
        var = (const void *) 0x0
        idle_consumers = <value optimized out>
        hi = (switch_hash_index_t *) 0x0
        ppl_waiting = 0
        consumer_total = 1087699264
        node = <value optimized out>
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.
---Type <return> to continue, or q <return> to quit---

Thread 14 (process 9329):
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 100}
#2  0x00002aaab44d77be in sofia_profile_worker_thread_run (
    thread=<value optimized out>, obj=<value optimized out>) at sofia.c:763
        profile = (sofia_profile_t *) 0xbce2310
        ireg_loops = 18
        gateway_loops = 0
        loops = 72
        qsize = 4294966782
        pop = (void *) 0x0
        __PRETTY_FUNCTION__ = "sofia_profile_worker_thread_run"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 13 (process 9328):
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 0}
#2  0x00002aaab44d77be in sofia_profile_worker_thread_run (
    thread=<value optimized out>, obj=<value optimized out>) at sofia.c:763
        profile = (sofia_profile_t *) 0x2aaab000eb10
        ireg_loops = 5
        gateway_loops = 0
        loops = 93
        qsize = 4294966782
        pop = (void *) 0x0
        __PRETTY_FUNCTION__ = "sofia_profile_worker_thread_run"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 12 (process 9327):
#0  0x00000030542d3368 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002aaab45c9c9c in su_epoll_port_wait_events (self=0xbce71c0,
tout=1000)
    at su_epoll_port.c:495
---Type <return> to continue, or q <return> to quit---
        j = 198076976
        n = 0
        events = 0
        index = 10922
        version = 3
        M = 4
        ev = 0x41204ef0
        __PRETTY_FUNCTION__ = "su_epoll_port_wait_events"
#2  0x00002aaab45d1079 in su_base_port_run (self=0xbce71c0)
    at su_base_port.c:349
        tout = 1000
        tout2 = 0
        __PRETTY_FUNCTION__ = "su_base_port_run"
#3  0x00002aaab45c6c51 in su_port_run (self=0xbce71c0) at su_port.h:326
        base = (su_virtual_port_t *) 0xbce71c0
#4  0x00002aaab45c6c29 in su_root_run (self=0xbce72a0) at su_root.c:819
        __PRETTY_FUNCTION__ = "su_root_run"
#5  0x00002aaab45d8d58 in su_pthread_port_clone_main (varg=0x404f7ac0)
    at su_pthread_port.c:324
        arg = (struct clone_args *) 0x0
        task = {{sut_port = 0xbce71c0, sut_root = 0xbce72a0}}
        zap = 1
#6  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#7  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 11 (process 9326):
#0  0x00000030542d3368 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002aaab45c9c9c in su_epoll_port_wait_events (self=0xbce78b0,
tout=1000)
    at su_epoll_port.c:495
        j = -1342070512
        n = 10922
        events = 0
        index = 10922
        version = 3
        M = 4
        ev = 0x411c8ef0
        __PRETTY_FUNCTION__ = "su_epoll_port_wait_events"
#2  0x00002aaab45d1079 in su_base_port_run (self=0xbce78b0)
    at su_base_port.c:349
        tout = 1000
        tout2 = 0
        __PRETTY_FUNCTION__ = "su_base_port_run"
#3  0x00002aaab45c6c51 in su_port_run (self=0xbce78b0) at su_port.h:326
---Type <return> to continue, or q <return> to quit---
        base = (su_virtual_port_t *) 0xbce78b0
#4  0x00002aaab45c6c29 in su_root_run (self=0x2aaab001a060) at su_root.c:819
        __PRETTY_FUNCTION__ = "su_root_run"
#5  0x00002aaab45d8d58 in su_pthread_port_clone_main (varg=0x404bbac0)
    at su_pthread_port.c:324
        arg = (struct clone_args *) 0x0
        task = {{sut_port = 0xbce78b0, sut_root = 0x2aaab001a060}}
        zap = 1
#6  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 10 (process 9325):
#0  0x00000030542d3368 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002aaab45c9c9c in su_epoll_port_wait_events (self=0xbce6c30,
tout=1000)
    at su_epoll_port.c:495
        j = -1268971119
        n = 10922
        events = 0
        index = 0
        version = 1
---Type <return> to continue, or q <return> to quit---
        M = 4
        ev = 0x404f7c40
        __PRETTY_FUNCTION__ = "su_epoll_port_wait_events"
#2  0x00002aaab45d11d4 in su_base_port_step (self=0xbce6c30, tout=1000)
    at su_base_port.c:467
        now = {tv_sec = 3467106082, tv_usec = 971475}
        __PRETTY_FUNCTION__ = "su_base_port_step"
#3  0x00002aaab45c6d6a in su_port_step (self=0xbce6c30, tout=1000)
    at su_port.h:340
        base = (su_virtual_port_t *) 0xbce6c30
#4  0x00002aaab45c6d32 in su_root_step (self=0xbce4650, tout=1000)
    at su_root.c:858
        __PRETTY_FUNCTION__ = "su_root_step"
#5  0x00002aaab44e5c3a in sofia_profile_thread_run (
    thread=<value optimized out>, obj=<value optimized out>) at sofia.c:973
        profile = (sofia_profile_t *) 0xbce2310
        pool = <value optimized out>
        node = (sip_alias_node_t *) 0x0
        s_event = (switch_event_t *) 0x0
        sanity = <value optimized out>
        worker_thread = (switch_thread_t *) 0xbce36a0
        st = SWITCH_STATUS_SUCCESS
        __func__ = "sofia_profile_thread_run"
---Type <return> to continue, or q <return> to quit---
        __PRETTY_FUNCTION__ = "sofia_profile_thread_run"
#6  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 9 (process 9324):
#0  0x00000030542d3368 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002aaab45c9c9c in su_epoll_port_wait_events (self=0xbcdffb0,
tout=1000)
    at su_epoll_port.c:495
        j = -1268971119
        n = 10922
        events = 0
        index = 0
        version = 1
        M = 4
        ev = 0x404bbc40
        __PRETTY_FUNCTION__ = "su_epoll_port_wait_events"
#2  0x00002aaab45d11d4 in su_base_port_step (self=0xbcdffb0, tout=1000)
    at su_base_port.c:467
        now = {tv_sec = 3467106083, tv_usec = 525146}
        __PRETTY_FUNCTION__ = "su_base_port_step"
---Type <return> to continue, or q <return> to quit---
#3  0x00002aaab45c6d6a in su_port_step (self=0xbcdffb0, tout=1000)
    at su_port.h:340
        base = (su_virtual_port_t *) 0xbcdffb0
#4  0x00002aaab45c6d32 in su_root_step (self=0xbcdfe00, tout=1000)
    at su_root.c:858
        __PRETTY_FUNCTION__ = "su_root_step"
#5  0x00002aaab44e5c3a in sofia_profile_thread_run (
    thread=<value optimized out>, obj=<value optimized out>) at sofia.c:973
        profile = (sofia_profile_t *) 0x2aaab000eb10
        pool = <value optimized out>
        node = (sip_alias_node_t *) 0x0
        s_event = (switch_event_t *) 0x0
        sanity = <value optimized out>
        worker_thread = (switch_thread_t *) 0x2aaab000fea0
        st = SWITCH_STATUS_SUCCESS
        __func__ = "sofia_profile_thread_run"
        __PRETTY_FUNCTION__ = "sofia_profile_thread_run"
#6  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 8 (process 8999):
---Type <return> to continue, or q <return> to quit---
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 444000}
#2  0x00002b3cb3c14e2a in switch_scheduler_task_thread (
    thread=<value optimized out>, obj=<value optimized out>)
    at src/switch_scheduler.c:171
        __func__ = "switch_scheduler_task_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 7 (process 8998):
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 100}
#2  0x00002b3cb3c054f5 in switch_core_sql_thread (
    thread=<value optimized out>, obj=<value optimized out>)
    at src/switch_core_sqldb.c:220
---Type <return> to continue, or q <return> to quit---
        pop = (void *) 0x2aaabf3d6220
        itterations = 0
        trans = 0 '\0'
        nothing_in_queue = 1 '\001'
        len = 100
        sql_len = 4844546
        sqlbuf = 0x2aab135c7010 ""
        sql = <value optimized out>
        newlen = <value optimized out>
        lc = 0
        __PRETTY_FUNCTION__ = "switch_core_sql_thread"
        __func__ = "switch_core_sql_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 6 (process 8995):
#0  0x0000003054e0a899 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00002b3cb3c63b42 in apr_queue_pop (queue=0xb64c158, data=0x40893088)
    at misc/apr_queue.c:276
---Type <return> to continue, or q <return> to quit---
        rv = 0
#2  0x00002b3cb3c48ff1 in log_thread (t=<value optimized out>,
    obj=<value optimized out>) at src/switch_log.c:288
        pop = (void *) 0x0
        node = (switch_log_node_t *) 0x0
        binding = (switch_log_binding_t *) 0x0
        __func__ = "log_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 5 (process 8951):
#0  0x0000003054e0a899 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00002b3cb3c63b42 in apr_queue_pop (queue=0x2aaaaac355a8,
data=0x40bec070)
    at misc/apr_queue.c:276
        rv = 0
#2  0x00002b3cb3c1fb14 in switch_event_thread (thread=<value optimized out>,

    obj=<value optimized out>) at src/switch_event.c:291
        pop = (void *) 0x0
        event = <value optimized out>
---Type <return> to continue, or q <return> to quit---
        queue = (switch_queue_t *) 0x2aaaaac355a8
        index = 0
        my_id = 2
        __func__ = "switch_event_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 4 (process 8950):
#0  0x0000003054e0a899 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00002b3cb3c63b42 in apr_queue_pop (queue=0x2aaaaab705a8,
data=0x4060a070)
    at misc/apr_queue.c:276
        rv = 0
#2  0x00002b3cb3c1fb14 in switch_event_thread (thread=<value optimized out>,

    obj=<value optimized out>) at src/switch_event.c:291
        pop = (void *) 0x0
        event = <value optimized out>
        queue = (switch_queue_t *) 0x2aaaaab705a8
        index = 0
        my_id = 1
---Type <return> to continue, or q <return> to quit---
        __func__ = "switch_event_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 3 (process 8949):
#0  0x0000003054e0a899 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00002b3cb3c63b42 in apr_queue_pop (queue=0xb638fa8, data=0x405ce070)
    at misc/apr_queue.c:276
        rv = 0
#2  0x00002b3cb3c1fb14 in switch_event_thread (thread=<value optimized out>,

    obj=<value optimized out>) at src/switch_event.c:291
        pop = (void *) 0x0
        event = <value optimized out>
        queue = (switch_queue_t *) 0xb638fa8
        index = 0
        my_id = 0
        __func__ = "switch_event_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 2 (process 8948):
#0  0x0000003054e0a899 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00002b3cb3c63b42 in apr_queue_pop (queue=0x2aaaaacfa5a8,
data=0x40592080)
    at misc/apr_queue.c:276
        rv = 0
#2  0x00002b3cb3c206be in switch_event_dispatch_thread (
    thread=<value optimized out>, obj=<value optimized out>)
    at src/switch_event.c:248
        pop = (void *) 0x0
        event = (switch_event_t *) 0x0
        queue = (switch_queue_t *) 0x2aaaaacfa5a8
        my_id = 0
        __func__ = "switch_event_dispatch_thread"
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.

---Type <return> to continue, or q <return> to quit---
Thread 1 (process 8947):
#0  0x00000030542cc4c2 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x00002b3cb3c72df5 in apr_sleep (t=<value optimized out>)
    at time/unix/time.c:246
        tv = {tv_sec = 0, tv_usec = 451000}
#2  0x00002b3cb3c00c95 in pool_thread (thread=<value optimized out>,
    obj=<value optimized out>) at src/switch_core_memory.c:490
        x = <value optimized out>
#3  0x0000003054e06367 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00000030542d2f7d in clone () from /lib64/libc.so.6
No symbol table info available.
(gdb)
(gdb)
(gdb)
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