Task already active error

[Vladimir Sopot]

Привет!

С чем могут быть связаны ошибки?

2015/11/06 00:46:18 [alert] 24396#24396: task #12042 already active
2015/11/06 00:46:20 [alert] 24391#24391: task #22904 already active
2015/11/06 00:46:23 [alert] 24396#24396: task #12239 already active
2015/11/06 00:46:57 [alert] 24396#24396: task #14705 already active

Железка раздаёт немного статики, иногда ходя к соседям с proxy_store.

# ../sbin/nginx -V
nginx version: nginx/1.9.6
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-16) (GCC) 
configure arguments: --without-mail_pop3_module --without-mail_smtp_module --without-http_autoindex_module --without-http_userid_module --with-file-aio --without-http_scgi_module --without-http_fastcgi_module --without-http_uwsgi_module --without-http_uwsgi_module --without-http_memcached_module --with-threads

# uname -a
Linux host7 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 15 04:27:16 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Спасибо