Bug 817928

Summary:	Apache with high MaxClient values hang with 308 kernel release
Product:	Red Hat Enterprise Linux 5	Reporter:	Jamie Duncan <jduncan>
Component:	httpd	Assignee:	Joe Orton <jorton>
Status:	CLOSED DUPLICATE	QA Contact:	BaseOS QE Security Team <qe-baseos-security>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	5.8	CC:	prc
Target Milestone:	rc
Target Release:	5.8
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-05-01 21:01:26 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Jamie Duncan 2012-05-01 20:16:43 UTC

Description of problem:


Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
patch -p0 << EOF
--- /etc/httpd/conf/httpd.conf 2012-04-12 12:34:41.000000000 -0700
+++ /etc/httpd/conf/httpd.conf.new 2012-04-12 12:35:21.000000000 -0700
@@ -98,11 +98,11 @@
 # MaxClients: maximum number of server processes allowed to start
 # MaxRequestsPerChild: maximum number of requests a server process serves
 <IfModule prefork.c>
-StartServers 8
+StartServers 1001
 MinSpareServers 5
 MaxSpareServers 20
-ServerLimit 256
-MaxClients 256
+ServerLimit 1001
+MaxClients 1001
 MaxRequestsPerChild 4000
 </IfModule>
EOF
service httpd start
ab -n 2000 -c 1 http://127.0.0.1/icons/blank.gif [^]

  
Actual results:
Apache hangs, essentially going catatonic.

Expected results:
Apache would serve content normally


Additional info:
http://bugs.centos.org/view.php?id=5634

Comment 1 Jamie Duncan 2012-05-01 21:01:26 UTC


*** This bug has been marked as a duplicate of bug 804778 ***