httpd error

[blackhowling]

hi all,

i have trouble with my server, my server have a high load and became hang . when i check my httpd-> error log , it shows this error :

[Thu Apr 20 09:57:24 2006] [error] child process 16880 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20953 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20030 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 15569 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 19242 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21752 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20216 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21587 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20041 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 9466 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 18622 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 16897 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21588 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20961 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21758 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 19656 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 17973 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21759 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21760 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20964 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 18795 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21589 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21349 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20966 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 17978 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 17979 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21350 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21761 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21771 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21774 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20070 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 19785 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 19681 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 19682 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20973 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 17655 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20354 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 21775 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 17982 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 19254 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 17662 still did not exit, sending a SIGKILL
[Thu Apr 20 09:57:24 2006] [error] child process 20975 still did not exit, sending a SIGKILL

is there anyone know the solution for this problem pleasee . please help me . Thanx very much