diff -rNup zabbix-1.4.2.orig/configure.in zabbix-1.4.2/configure.in
--- zabbix-1.4.2.orig/configure.in	Mon Aug 20 23:22:33 2007
+++ zabbix-1.4.2/configure.in	Thu Dec  6 18:04:27 2007
@@ -347,6 +347,30 @@ AC_DEFINE(HAVE_FUNCTION_SYSCTL_KERN_BOOT
 AC_MSG_RESULT(yes),
 AC_MSG_RESULT(no))
 
+dnl Check for function sysctl (HW_NCPU)
+AC_MSG_CHECKING(for function sysctl (HW_NCPU))
+AC_TRY_COMPILE(
+[
+	#include <sys/types.h>
+	#include <sys/sysctl.h>
+	#include <unistd.h>
+	#include <time.h>
+	#include <sys/time.h>
+],
+[
+	int ncpu;
+        int mib[2],len;
+        int now;
+
+        mib[0]=CTL_HW;
+        mib[1]=HW_NCPU;
+        len=sizeof(ncpu);
+        sysctl(mib,2,&ncpu,&len,0,0);
+],
+AC_DEFINE(HAVE_FUNCTION_SYSCTL_HW_NCPU,1,[Define to 1 if 'HW_NCPU' exist.])
+AC_MSG_RESULT(yes),
+AC_MSG_RESULT(no))
+
 dnl Check for function sysctl (KERN_MAXFILES)
 AC_MSG_CHECKING(for function sysctl (KERN_MAXFILES))
 AC_TRY_COMPILE(
diff -rNup zabbix-1.4.2.orig/include/config.h.in zabbix-1.4.2/include/config.h.in
--- zabbix-1.4.2.orig/include/config.h.in	Mon Aug 20 23:22:57 2007
+++ zabbix-1.4.2/include/config.h.in	Sat Dec  8 04:58:34 2007
@@ -48,6 +48,9 @@
 /* Define to 1 if 'KERN_MAXPROC' exist. */
 #undef HAVE_FUNCTION_SYSCTL_KERN_MAXPROC
 
+/* Define to 1 if 'HW_NCPU' exist. */
+#undef HAVE_FUNCTION_SYSCTL_HW_NCPU
+
 /* Define to 1 if you have the `getaddrinfo' function. */
 #undef HAVE_GETADDRINFO
 
diff -rNup zabbix-1.4.2.orig/src/libs/zbxsysinfo/freebsd/cpu.c zabbix-1.4.2/src/libs/zbxsysinfo/freebsd/cpu.c
--- zabbix-1.4.2.orig/src/libs/zbxsysinfo/freebsd/cpu.c	Mon Aug 20 23:22:23 2007
+++ zabbix-1.4.2/src/libs/zbxsysinfo/freebsd/cpu.c	Thu Dec  6 18:45:01 2007
@@ -24,7 +24,28 @@
 
 int	SYSTEM_CPU_NUM(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
 {
+#ifdef HAVE_FUNCTION_SYSCTL_HW_NCPU
+	size_t len;
+        int mib[2], ncpu;
+
+	assert(result);
+
+	init_result(result);
+
+        mib[0]=CTL_HW;
+        mib[1]=HW_NCPU;
+
+        len = sizeof(ncpu);
+        if ((sysctl(mib, 2, &ncpu, &len, 0, 0)) != 0)
+	{
+		return SYSINFO_RET_FAIL;
+	}
+
+	SET_UI64_RESULT(result, ncpu);
+	return SYSINFO_RET_OK;
+#else
 	return SYSINFO_RET_FAIL;
+#endif
 }
 
 int	SYSTEM_CPU_UTIL(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)