Apache sometime stop.... server inoperative

Code:
[Thu Apr 10 00:19:17 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (uid 2007, gid 2007) restarted (pid 17463)

[Thu Apr 10 00:19:22 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (uid 2007, gid 2007) restarted (pid 17464)

[Thu Apr 10 00:19:50 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (uid 2007, gid 2007) restarted (pid 17469)

[Thu Apr 10 00:20:01 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (pid 17469) termination signaled

[Thu Apr 10 00:20:02 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (pid 17469) terminated by calling exit with status '0'

[Thu Apr 10 00:21:01 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (pid 17464) termination signaled

[Thu Apr 10 00:21:01 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (pid 17464) terminated by calling exit with status '0'

[Thu Apr 10 00:22:03 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (pid 17463) termination signaled

[Thu Apr 10 00:22:03 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/kyrsun.net/php5-fcgi-starter" (pid 17463) terminated by calling exit with status '0'

[Thu Apr 10 00:24:49 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/actu-elles.com/php5-fcgi-starter" (uid 2009, gid 2009) restarted (pid 17475)

[Thu Apr 10 00:25:03 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/actu-elles.com/php5-fcgi-starter" (pid 17475) termination signaled

[Thu Apr 10 00:25:03 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/actu-elles.com/php5-fcgi-starter" (pid 17475) terminated by calling exit with status '0'

[Thu Apr 10 00:28:09 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/institut-christine-nicolas.com/php5-fcgi-starter" (uid 2029, gid 2029) started (pid 17480)

[Thu Apr 10 00:29:31 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/institut-christine-nicolas.com/php5-fcgi-starter" (pid 17480) termination signaled

[Thu Apr 10 00:29:31 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/institut-christine-nicolas.com/php5-fcgi-starter" (pid 17480) terminated by calling exit with status '0'

[Thu Apr 10 01:02:58 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/gwelan.com/php5-fcgi-starter" (uid 2005, gid 2005) restarted (pid 17644)

[Thu Apr 10 01:03:03 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/gwelan.com/php5-fcgi-starter" (uid 2005, gid 2005) restarted (pid 17646)

[Thu Apr 10 01:03:08 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/gwelan.com/php5-fcgi-starter" (pid 17646) termination signaled

[Thu Apr 10 01:03:14 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/gwelan.com/php5-fcgi-starter" (pid 17646) terminated by calling exit with status '0'

[Thu Apr 10 01:04:24 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/gwelan.com/php5-fcgi-starter" (pid 17644) termination signaled

[Thu Apr 10 01:04:24 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/gwelan.com/php5-fcgi-starter" (pid 17644) terminated by calling exit with status '0'

[Thu Apr 10 01:05:55 2008] [notice] caught SIGTERM, shutting down

[Thu Apr 10 01:05:55 2008] [alert] (4)Interrupted system call: FastCGI: read() from pipe failed (0)

[Thu Apr 10 01:05:55 2008] [alert] (4)Interrupted system call: FastCGI: the PM is shutting down, Apache seems to have disappeared - bye

[Thu Apr 10 12:30:09 2008] [notice] suEXEC mechanism enabled (wrapper: /usr/lib/apache2/suexec)

[Thu Apr 10 12:30:09 2008] [notice] FastCGI: wrapper mechanism enabled (wrapper: /usr/lib/apache2/suexec)

[Thu Apr 10 12:30:09 2008] [notice] FastCGI: process manager initialized (pid 1100)

[Thu Apr 10 12:30:09 2008] [notice] Apache configured -- resuming normal operations

[Thu Apr 10 12:30:09 2008] [warn] FastCGI: server "/var/www/fcgi/master/php5-fcgi-starter" (uid 2000, gid 2000) started (pid 1106)

[Thu Apr 10 12:30:17 2008] [warn] FastCGI: (dynamic) server "/var/www/fcgi/souslestoitsdumonde.com/php5-fcgi-starter" (uid 2023, gid 2023) started (pid 1120)



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