id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	appname	phpversion	exts	sapi	probability	blockedby	blocking
118	XCache SMP problem, whole linux system crash	axel	moo	"Hi,

today i tested xcache on a rhel5 server. I started some stress test with http_perf. After 10-20 seconds my system crashes completly. No keyboard response, no shell nothing. The only way is to restart the server.

I'm using Apache 2 ( default rhel5 package ), php is self compiled and installed as apache module. I use the worker mpm, so php is thread safe compiled.

The server has 2 cpu. 

If i set xcache.count to 3 ( cpu count + 1 ) the server crashes.
If i set xcache.count 1 or 2 the server doesn't crash.

If i run my test without xcache the server don't crash.

I attached some infos about cpu, vmstat ..."	defect	closed	major	1.2.2	cacher	1.2.1		RHEL, Content switch, Kernel	asauerhoefer@…		5.2		apache2handler