uname -a
CentOS Linux srv-4-0 2.6.18-194.8.1.el5 #1 SMP Thu Jul 1 19:04:48 EDT
2010 x86_64 x86_64 x86_64 GNU/Linux

Не рестартует и не останавливается nginx
из под рута kill и kill -9 по pid-у не убивает процессы(первый раз с
таким встречаюсь)

в messages

Jul 27 05:25:22 srv-4-0 kernel: INFO: task nginx:3706 blocked for more
than 120 seconds.
Jul 27 05:25:22 srv-4-0 kernel: "echo 0 > /proc/sys/kernel/
hung_task_timeout_secs" disables this message.
Jul 27 05:25:22 srv-4-0 kernel: nginx D ffff81000103f1a0
0 3706 3704 3707 3705 (NOTLB)
Jul 27 05:25:22 srv-4-0 kernel: ffff81032f6cfc78 0000000000000086
ffffffffffffffff ffff81032f6cfc58
Jul 27 05:25:22 srv-4-0 kernel: 0000000000000001 000000000000000a
ffff8103304cb7a0 ffff81033fc38100
Jul 27 05:25:22 srv-4-0 kernel: 000023b513c7cd17 00000000000013ee
ffff8103304cb988 000000078844191d
Jul 27 05:25:22 srv-4-0 kernel: Call Trace:
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff80063c6f>]
__mutex_lock_slowpath+0x60/0x9b
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff80063cb9>] .text.lock.mutex
+0xf/0x14
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff8000cef3>] do_lookup
+0x90/0x1e6
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff80009bb2>] __link_path_walk
+0x3a6/0xf5b
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff8000e9bc>] link_path_walk
+0x42/0xb2
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff8000cce3>] do_path_lookup
+0x275/0x2f1
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff800127e8>] getname+0x15b/
0x1c2
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff8002387c>] __user_walk_fd
+0x37/0x4c
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff800287b0>] vfs_stat_fd+0x1b/
0x4a
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff8002b88e>] sys_recvfrom
+0xd4/0x130
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff800f87ae>] sys_epoll_wait
+0x3b8/0x3f9
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff800235ae>] sys_newstat
+0x19/0x31
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff8005d229>] tracesys+0x71/0xe0
Jul 27 05:25:22 srv-4-0 kernel: [<ffffffff8005d28d>] tracesys+0xd5/0xe0

Свободное место на HDD есть, памяти 12 гиг, LA меньше единицы в
момент инцидента, сервер в GlsuterFS

начало nginx.conf

worker_processes 8;
user 212adm 212adm;

events {
worker_connections 2048;
use epoll;
}

http {
passenger_root /opt/ree/lib/ruby/gems/1.8/gems/passenger-2.2.11;
passenger_ruby /opt/ree/bin/ruby;

passenger_max_pool_size 35;
passenger_pool_idle_time 0;
rails_spawn_method conservative;

include mime.types;
default_type application/octet-stream;

client_max_body_size 100m;
keepalive_timeout 65;
gzip on;
gzip_min_length 1000;
gzip_proxied any;
gzip_disable "msie6";
gzip_types text/plain text/html text/xml application/xml
application/x-javascript text/javascript text/css text/json;

server {
listen 80;
server_name default;
........
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