[uWSGI] Bad file descriptor after reload

Gennady Karpov gennady.karpov at gmail.com
Mon Oct 28 17:05:05 CET 2013


He enters to a loop. Only kill help.

28.10.2013 19:40, Roberto De Ioris пишет:
>> Hello,
>>
>> Sometimes, after reload uwsgi, i get a repeating error in log 'kevent():
>> Bad file descriptor [core/event.c line 904]' and cpu usage 200%.
>>
>> Configuration:
>>
>> uWSGI 1.9.18.2 on FreeBSD
>>
>> [uwsgi]
>> buffer-size = 65535
>> carbon = 1.2.3.4:2003
>> carbon-id = test
>> carbon-no-workers = true
>> chdir = /home/test/frontend
>> cheaper = 8
>> cheaper-algo = busyness
>> cheaper-busyness-multiplier = 12
>> cheaper-initial = 16
>> cheaper-overload = 5
>> cheaper-step = 4
>> harakiri = 60
>> harakiri-verbose = true
>> master = true
>> module = frontend.wsgi
>> no-orphans = true
>> processes = 256
>> single-interpreter = true
>> thunder-lock = true
>> vacuum = true
>>
>> Stack trace in gdb:
>>
>> (gdb) bt
>> #0  event_queue_wait_multi (eq=524, timeout=1, events=0x802cfa600,
>> nevents=1) at core/event.c:899
>> #1  0x000000000044af0c in uwsgi_stats_pusher_loop (ut=0x802152780) at
>> core/stats.c:442
>> #2  0x0000000000431516 in uwsgi_thread_run (arg=0x802152780) at
>> core/utils.c:3613
>> #3  0x0000000800a61d44 in pthread_getprio () from /lib/libthr.so.3
>> #4  0x0000000000000000 in ?? ()
>> (gdb) f 0
>> #0  event_queue_wait_multi (eq=524, timeout=1, events=0x802cfa600,
>> nevents=1) at core/event.c:899
>> 899                     ret = kevent(eq, NULL, 0, (struct kevent *)
>> events, nevents, &ts);
>> (gdb) list
>> 894                     ret = kevent(eq, NULL, 0, events, nevents, NULL);
>> 895             }
>> 896             else {
>> 897                     memset(&ts, 0, sizeof(struct timespec));
>> 898                     ts.tv_sec = timeout;
>> 899                     ret = kevent(eq, NULL, 0, (struct kevent *)
>> events, nevents, &ts);
>> 900             }
>> 901
>> 902             if (ret < 0) {
>> 903                     if (errno != EINTR)
>>
>> Thanks!
>>
>> _______________________________________________
>> uWSGI mailing list
>> uWSGI at lists.unbit.it
>> http://lists.unbit.it/cgi-bin/mailman/listinfo/uwsgi
>>
> Does the "storm" ends after a bit and the server reloads normally or it
> enters a loop ?
>



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