Bash fork: Resource temporarily unavailable

i am using nginx version 0.6.31, to server static files config files
below.

now regularly when I login and I try to do something I get this error,
and I am not able to start anything… i have over 10GB of free RAM…
how to fix this problem?

bash fork: Resource temporarily unavailable

my requests are like this
Active connections: 30
server accepts handled requests
1869887 1869887 1864882
Reading: 0 Writing: 30 Waiting: 0

I get this message on /var/log/messages
May 19 17:05:05 XXX kernel: possible SYN flooding on port 80. Sending
cookies.

uname -a
Linux XXX 2.6.25.3-18.fc9.x86_64 #1 SMP Tue May 13 04:54:47 EDT 2008
x86_64 x86_64 x86_64 GNU/Linux

free -m
total used free shared buffers
cached
Mem: 16086 8757 7328 0 164
5278
-/+ buffers/cache: 3314 12771
Swap: 1983 0 1983

nginx - conf

user mark;
worker_processes 4;

error_log logs/error_staticfarm.log;
pid logs/nginx_staticfarm.pid;

events {
worker_connections 1024;
}

http {
include mime.types;
default_type application/octet-stream;
client_header_buffer_size 8k;
large_client_header_buffers 4 8k;
fastcgi_buffers 32 4k;
fastcgi_buffer_size 4k;
sendfile on;
#tcp_nopush on;

keepalive_timeout  0;
#keepalive_timeout  10;

gzip  on;

server {
    listen       80;
    server_name  localhost;
    location /nginx_status {
        stub_status on;
        access_log   off;
    }
    location /static{
        root   /home/mark/staticfarm/;
        access_log   off;
    }
}

}

On Mon, May 19, 2008 at 06:12:54PM -0700, [email protected] wrote:

i am using nginx version 0.6.31, to server static files config files below.

now regularly when I login and I try to do something I get this error,
and I am not able to start anything… i have over 10GB of free RAM…
how to fix this problem?

bash fork: Resource temporarily unavailable

This means that you have a lot of zombie processes:

ps ax|grep Z

and OS can not create a new process.

On Mon, May 19, 2008 at 9:21 PM, Igor S. [email protected] wrote:

On Mon, May 19, 2008 at 06:12:54PM -0700, [email protected] wrote:

bash fork: Resource temporarily unavailable

This means that you have a lot of zombie processes:

ps ax|grep Z

[[email protected] ~]$ ps ax | grep Z
31184 pts/0 R+ 0:00 grep Z

it is empty!

On Mon, May 19, 2008 at 10:04:05PM -0700, [email protected] wrote:

it is empty!

So, you have some other fork() shortage.
Anyway it’s not nginx related.

i got this error when i was playing with ulimits, check ulimit -u (at
least on
bash)

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