Здравствуйте.
Помогите разобраться в чем может быть проблема.
Использую nginx 0.7.65 как прокси сервер на Ubuntu 9.10 (karmic)
В логах куча вот таких алертов

2010/03/17 08:33:23 [alert] 886#0: worker process 24817 exited on signal 11
2010/03/17 08:33:24 [alert] 886#0: worker process 24818 exited on signal 11
2010/03/17 08:33:24 [alert] 886#0: worker process 24819 exited on signal 11
2010/03/17 08:33:24 [alert] 886#0: worker process 24820 exited on signal 11
2010/03/17 08:33:24 [alert] 886#0: worker process 24821 exited on signal 11
2010/03/17 08:33:24 [alert] 886#0: worker process 24822 exited on signal 11
2010/03/17 08:33:25 [alert] 886#0: worker process 24823 exited on signal 11
2010/03/17 08:33:25 [alert] 886#0: worker process 24824 exited on signal 11
2010/03/17 08:33:25 [alert] 886#0: worker process 24825 exited on signal 11
2010/03/17 08:33:25 [alert] 886#0: worker process 24826 exited on signal 11
2010/03/17 08:33:25 [alert] 886#0: worker process 24827 exited on signal 11
2010/03/17 08:33:26 [alert] 886#0: worker process 24828 exited on signal 11
2010/03/17 08:33:26 [alert] 886#0: worker process 24829 exited on signal 11
2010/03/17 08:33:27 [alert] 886#0: worker process 24830 exited on signal 11
2010/03/17 08:33:27 [alert] 886#0: worker process 24831 exited on signal 11
2010/03/17 08:33:27 [alert] 886#0: worker process 24832 exited on signal 11
2010/03/17 08:33:27 [alert] 886#0: worker process 24833 exited on signal 11
2010/03/17 08:33:27 [alert] 886#0: worker process 24834 exited on signal 11
2010/03/17 08:33:28 [alert] 886#0: worker process 24835 exited on signal 11
2010/03/17 08:33:28 [alert] 886#0: worker process 24836 exited on signal 11
2010/03/17 08:33:28 [alert] 886#0: worker process 24837 exited on signal 11
2010/03/17 08:33:28 [alert] 886#0: worker process 24838 exited on signal 11
2010/03/17 08:33:29 [alert] 886#0: worker process 24839 exited on signal 11
2010/03/17 08:33:29 [alert] 886#0: worker process 24840 exited on signal 11
2010/03/17 08:33:31 [alert] 886#0: worker process 24841 exited on signal 11
2010/03/17 08:33:31 [alert] 886#0: worker process 24842 exited on signal 11
2010/03/17 08:33:34 [alert] 886#0: worker process 24843 exited on signal 11
2010/03/17 08:33:40 [alert] 886#0: worker process 24844 exited on signal 11
2010/03/17 08:33:40 [alert] 886#0: worker process 24845 exited on signal 11