nginx 1.1.15: crash

["locojohn" <nginx-forum@xxxxxxxx>]

nginx version: nginx/1.1.15
TLS SNI support enabled
configure arguments: --prefix=/usr --sbin-path=/usr/sbin/nginx
--conf-path=/etc/nginx/nginx.conf
--error-log-path=/var/log/nginx/error_log --pid-path=/var/run/nginx.pid
--lock-path=/var/lock/nginx.lock --user=nginx --group=nginx
--with-cc-opt=-I/usr/include --with-ld-opt=-L/usr/lib
--http-log-path=/var/log/nginx/access_log
--http-client-body-temp-path=/var/tmp/nginx/client
--http-proxy-temp-path=/var/tmp/nginx/proxy
--http-fastcgi-temp-path=/var/tmp/nginx/fastcgi
--http-scgi-temp-path=/var/tmp/nginx/scgi
--http-uwsgi-temp-path=/var/tmp/nginx/uwsgi --with-file-aio
--with-aio_module --with-debug --with-pcre
--without-http_auth_basic_module --without-http_geo_module
--without-http_limit_req_module --without-http_memcached_module
--without-http_referer_module --without-http_scgi_module
--without-http_ssi_module --without-http_split_clients_module
--without-http_userid_module --without-http_uwsgi_module
--with-http_flv_module --with-http_geoip_module
--with-http_stub_status_module --with-http_realip_module
--add-module=/var/tmp/portage/www-servers/nginx-1.1.15/work/perusio-nginx-http-concat-c37eadc
--add-module=/var/tmp/portage/www-servers/nginx-1.1.15/work/masterzen-nginx-upload-progress-module-c7c663f
--with-http_ssl_module --without-mail_imap_module
--without-mail_pop3_module --without-mail_smtp_module


gdb:

Program terminated with signal 11, Segmentation fault.
#0  ngx_event_pipe_write_chain_to_temp_file (p=0x1cc9038)
    at src/event/ngx_event_pipe.c:709
709     src/event/ngx_event_pipe.c: No such file or directory.

backtrace:

#0  ngx_event_pipe_write_chain_to_temp_file (p=0x1cc9038)
    at src/event/ngx_event_pipe.c:709
        size = 0
        bsize = <optimized out>
        n = <optimized out>
        b = <optimized out>
        prev_last_shadow = 1
        cl = 0x0
        tl = <optimized out>
        next = <optimized out>
        out = 0x0
        ll = 0x0
        last_out = <optimized out>
        last_free = <optimized out>
        fl = {buf = 0x7fff7cb3cba0, next = 0x7fff7cbffa0c}
#1  0x00000000004203fb in ngx_event_pipe_read_upstream (p=0x1cc9038)
    at src/event/ngx_event_pipe.c:227
        chain = <optimized out>
        ln = <optimized out>
        n = <optimized out>
        size = <optimized out>
        rc = <optimized out>
        b = <optimized out>
        cl = <optimized out>
#2  ngx_event_pipe (p=0x1cc9038, do_write=<optimized out>)
    at src/event/ngx_event_pipe.c:49
        rc = 0
        rev = <optimized out>
        wev = <optimized out>
#3  0x000000000044786e in ngx_http_upstream_process_upstream
(r=0x1cbd5b0, 
    u=0x1db4870) at src/http/ngx_http_upstream.c:2641
        c = 0x7f10f8f45e50
#4  0x00000000004479ad in ngx_http_upstream_handler (ev=0x7f10f88c47c8)
    at src/http/ngx_http_upstream.c:935
        c = 0x7f10f8f45d90
        r = 0x1cbd5b0
        ctx = <optimized out>
        u = 0x1db4870
#5  0x0000000000426d79 in ngx_epoll_process_events (cycle=0x1bf1440, 
    timer=<optimized out>, flags=<optimized out>)
    at src/event/modules/ngx_epoll_module.c:679
        events = <optimized out>
        revents = 5
        instance = <optimized out>
       i = <optimized out>
        level = <optimized out>
        err = <optimized out>
        rev = 0x7f10f88c47c8
        wev = <optimized out>
        queue = <optimized out>
        c = 0x7f10f8f45e50
#6  0x000000000041da56 in ngx_process_events_and_timers
(cycle=0x1bf1440)
    at src/event/ngx_event.c:246
        flags = <optimized out>
        timer = <optimized out>
        delta = 1329485422940
#7  0x0000000000424a35 in ngx_worker_process_cycle (cycle=0x1bf1440, 
    data=<optimized out>) at src/os/unix/ngx_process_cycle.c:802
        i = <optimized out>
        c = <optimized out>
#8  0x0000000000423266 in ngx_spawn_process (cycle=0x1bf1440, 
    proc=0x424960 <ngx_worker_process_cycle>, data=0x0, 
    name=0x4704b5 "worker process", respawn=-3) at
src/os/unix/ngx_process.c:198
        on = 1
        pid = 0
        s = <optimized out>
#9  0x0000000000424f79 in ngx_start_worker_processes (cycle=0x1bf1440,
n=4, 
    type=-3) at src/os/unix/ngx_process_cycle.c:361
        i = <optimized out>
        ch = {command = 1, pid = 6123, slot = 0, fd = 3}
#10 0x0000000000425621 in ngx_master_process_cycle (cycle=0x1bf1440)
    at src/os/unix/ngx_process_cycle.c:137
        title = 0x1d58490 "master process /usr/sbin/nginx -c
/etc/nginx/nginx.conf"
        p = <optimized out>
        size = 56
        i = 3
        n = <optimized out>
        sigio = <optimized out>
        set = {__val = {0 <repeats 16 times>}}
        itv = {it_interval = {tv_sec = 0, tv_usec = 29299800}, it_value
= {
            tv_sec = 0, tv_usec = 0}}
        live = <optimized out>
        delay = <optimized out>
        ls = <optimized out>
        ccf = 0x1bf23b0
#11 0x000000000040751d in main (argc=<optimized out>, argv=<optimized
out>)
    at src/core/nginx.c:410
        i = <optimized out>
        pid = 0
        s = <optimized out>


У меня много виртуальных хвостов, и это
production site.  Надеюсь, что проблема и так
ясна и можно обойтись без debug лога, ибо я
не знаю на каком из сайтов происходит
крэш.

Андрей

Posted at Nginx Forum: 
http://forum.nginx.org/read.php?21,222557,222557#msg-222557

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