please help to stop child segment fault.

to make apache tolerate heavy load

[ephdia]

Hi,
We are having a production server with heavy load.We are getting child segmentation error from our server.I searched on that,but couldn't finalize any solution.Here i am posting my configuration also,
server spec is intel xeon(3.2 GHz),250 GB HDD,2GB RAM.
i am having apache2 woth prefork mode of MPM module,

Apache configuration:(httpd.conf)
Timeout 300
KeepAliveTimeout On
MaxKeepAliveRequest 200
KeepAliveTimeOut 5
MinspareServers 5
MaxspareServers 30
StartServers 40
MaxClients 256
MaxrequestperChild 5000

When shall we get exit signal child pid segmentation fault(11)?What will happen if the connection exceeds 256?

I have enabled mod_status module,in that report i can see many opened process with no process-id.
KKWK_RKKKK_WKKK_K_KKKK_KK_KK__K_RKK__KK_KK___K__KKKK_RKKKK_KKWW_
KKKK_KKKKKRKKKRKKWK_K_KK_K.K....................................
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Scoreboard Key:
"_" Waiting for Connection, "S" Starting up, "R" Reading Request,
"W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
"L" Logging, "G" Gracefully finishing, "." Open slot with no current process

Please help me..Any ideas would be appreciated...

Thanks,
Ephdia