#0  0x000000000040c161 in ngx_log_error_core (level=4, log=0x1ef3fa8, err=111, fmt=0x4bfdf3 "send() failed") at src/core/ngx_log.c:94
        args = {{gp_offset = 1, fp_offset = 0, overflow_arg_area = 0x7fff3b5672f0, reg_save_area = 0x3}}
        p = <value optimized out>
        last = <value optimized out>
        msg = <value optimized out>
        errstr = "\000\000\000\000\000\000\000\000\227\000\000\000\000\000\000\000\227\000\000\000\000\000\000\000\351|B\000\000\000\000\000\350z\354\001\000\000\000\000I\331'\336~\177\000\000\000\000\000\000\377\177\000\000\220tV;\377\177\000\000\006\000\000\000\000\000\000\000P\201$\336~\177\000\000\360z\354\001\000\000\000\000\220z\354\001\000\000\000\000P\201$\336~\177\000\000\020\n\360\001", '\000' <repeats 12 times>"\216, \213\205\335~\177\000\001\000\000\000\000\000\000\000\000(\251\364\001\000\000\000\000\240\303\357\001\000\000\000\000\227\000\000\000\000\000\000\000\060tV;\377\177\000\000\350z\354\001\000\000\000\000\220tV;\377\177\000\000@\321O\336~\177\000\000\350z\354\001\000\000\000\000L\334'\336~\177\000\000\360z\354\001\000\000\000\000P\201$\336~\177\000\000\000\000\000\000\000\000\000\000\060uV;\377\177\000\000P\201$\336~\177\000\000Z\211"...
#1  0x0000000000415897 in ngx_connection_error (c=<value optimized out>, err=<value optimized out>, text=<value optimized out>) at src/core/ngx_connection.c:1124
        level = <value optimized out>
#2  0x000000000042357b in ngx_unix_send (c=0x1f00b90, buf=0x1efc510 "mysite1.http_body_traffic:12199|ce Gecko) Chrome/24.0.1312.52 Safari/537.17\" \"-\"\n", size=33)
    at src/os/unix/ngx_send.c:69
        n = -1
        err = 32456616
        wev = 0x1f4a9f8
#3  0x0000000000472bcc in ngx_http_statsd_udp_send (l=0x1e873b0, buf=0x1efc510 "mysite1.http_body_traffic:12199|ce Gecko) Chrome/24.0.1312.52 Safari/537.17\" \"-\"\n", 
    len=33) at /usr/local/src/nginx-statsd/ngx_http_statsd.c:404
        n = <value optimized out>
        uc = 0x1ef3f80
#4  0x0000000000472e94 in ngx_http_statsd_handler (r=<value optimized out>) at /usr/local/src/nginx-statsd/ngx_http_statsd.c:312
        line = 0x1efc510 "mysite1.http_body_traffic:12199|ce Gecko) Chrome/24.0.1312.52 Safari/537.17\" \"-\"\n"
        p = 0x0
        line_len = <value optimized out>
        len = <value optimized out>
        ulcf = 0x1eb8e30
        c = 0
        n = 12199
        s = {len = 25, data = 0x1eb90e6 "mysite1.http_body_traffic"}
        b = <value optimized out>
#5  0x000000000043434e in ngx_http_log_request (r=0x1ef83a0) at src/http/ngx_http_request.c:3098
        i = 1
        n = 2
        cmcf = 0x0
#6  0x0000000000434410 in ngx_http_free_request (r=0x1ef83a0, rc=0) at src/http/ngx_http_request.c:3053
        log = 0x1e7d7f0
        linger = {l_onoff = 32508624, l_linger = 0}
        cln = 0x0
#7  0x0000000000436217 in ngx_http_set_keepalive (r=0x1ef83a0) at src/http/ngx_http_request.c:2518
        tcp_nodelay = <value optimized out>
        rev = 0x1f30980
        b = 0x1e74940
---Type <return> to continue, or q <return> to quit---E
        i = 140734188911391
        f = <value optimized out>
        wev = 0x449e9e
        c = 0x1f00ad0
        hc = 0x1e7d848
#8  ngx_http_finalize_connection (r=0x1ef83a0) at src/http/ngx_http_request.c:2208
        clcf = 0x1eb7898
#9  0x0000000000436b97 in ngx_http_finalize_request (r=<value optimized out>, rc=<value optimized out>) at src/http/ngx_http_request.c:2116
        c = 0x1f00ad0
        pr = <value optimized out>
#10 0x0000000000436f6c in ngx_http_writer (r=0x1ef83a0) at src/http/ngx_http_request.c:2340
        rc = 32456616
        wev = 0x1f4a990
        c = 0x1f00ad0
        clcf = 0x1eb7898
#11 0x00000000004342e9 in ngx_http_request_handler (ev=<value optimized out>) at src/http/ngx_http_request.c:1863
        c = 0x1f00ad0
        r = 0x0
#12 0x0000000000427465 in ngx_epoll_process_events (cycle=<value optimized out>, timer=<value optimized out>, flags=<value optimized out>)
    at src/event/modules/ngx_epoll_module.c:714
        events = <value optimized out>
        revents = 4
        instance = 0
        i = 0
        level = <value optimized out>
        err = <value optimized out>
        rev = <value optimized out>
        wev = 0x0
        queue = <value optimized out>
        c = 0x1f00ad0
#13 0x000000000041fe6f in ngx_process_events_and_timers (cycle=0x1e75190) at src/event/ngx_event.c:247
        flags = 1
        timer = 59985
        delta = 1360876127961
#14 0x0000000000426097 in ngx_worker_process_cycle (cycle=0x1e75190, data=<value optimized out>) at src/os/unix/ngx_process_cycle.c:807
        i = 0
        c = 0x0
#15 0x00000000004248fc in ngx_spawn_process (cycle=0x1e75190, proc=0x425fc4 <ngx_worker_process_cycle>, data=<value optimized out>, name=0x4c067e "worker process", 
    respawn=0) at src/os/unix/ngx_process.c:198
        on = 1
        pid = 0
        s = 0
#16 0x000000000042683d in ngx_reap_children (cycle=0x1e75190) at src/os/unix/ngx_process_cycle.c:619
        i = 0
---Type <return> to continue, or q <return> to quit---
        n = 1
        ch = {command = 2, pid = 12438, slot = 0, fd = -1}
        ccf = 0x1
#17 ngx_master_process_cycle (cycle=0x1e75190) at src/os/unix/ngx_process_cycle.c:180
        title = <value optimized out>
        p = <value optimized out>
        size = 7411312
        i = 1
        n = 7411312
        sigio = 0
        set = {__val = {0 <repeats 16 times>}}
        itv = {it_interval = {tv_sec = 0, tv_usec = 31936936}, it_value = {tv_sec = 0, tv_usec = 10833}}
        live = 0
        delay = 0
        ccf = 0x1e760b0
#18 0x000000000040bd1a in main (argc=<value optimized out>, argv=<value optimized out>) at src/core/nginx.c:412
        i = <value optimized out>
        log = 0x70e940
        cycle = 0x1e75190
        init_cycle = {conf_ctx = 0x0, pool = 0x1e74700, log = 0x70e940, new_log = {log_level = 0, file = 0x0, connection = 0, handler = 0, data = 0x0, action = 0x0}, 
          files = 0x0, free_connections = 0x0, free_connection_n = 0, reusable_connections_queue = {prev = 0x0, next = 0x0}, listening = {elts = 0x0, nelts = 0, 
            size = 0, nalloc = 0, pool = 0x0}, paths = {elts = 0x0, nelts = 0, size = 0, nalloc = 0, pool = 0x0}, open_files = {last = 0x0, part = {elts = 0x0, 
              nelts = 0, next = 0x0}, size = 0, nalloc = 0, pool = 0x0}, shared_memory = {last = 0x0, part = {elts = 0x0, nelts = 0, next = 0x0}, size = 0, nalloc = 0, 
            pool = 0x0}, connection_n = 0, files_n = 0, connections = 0x0, read_events = 0x0, write_events = 0x0, old_cycle = 0x0, conf_file = {len = 26, 
            data = 0x1e74750 ""}, conf_param = {len = 0, data = 0x0}, conf_prefix = {len = 16, data = 0x1e74750 ""}, prefix = {len = 11, data = 0x4bce50 "/opt/nginx/"}, 
          lock_file = {len = 0, data = 0x0}, hostname = {len = 0, data = 0x0}}
        ccf = 0x1e760b0

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Content-Disposition: form-data; name="description"

full gdb backtrace