Please refer to
  https://bugs.kde.org/show_bug.cgi?id=209903

  http://bugsfiles.kde.org/attachment.cgi?id=37552

Index: kdelibs-4.3.2/kinit/kinit.cpp
===================================================================
--- kdelibs-4.3.2.orig/kinit/kinit.cpp	2009-10-13 07:31:16.000000000 +0200
+++ kdelibs-4.3.2/kinit/kinit.cpp	2009-10-13 07:31:52.000000000 +0200
@@ -489,6 +489,13 @@
       init_startup_info( startup_id, name, envc, envs );
 #endif
 
+  // Don't run this inside the child process, it crashes on OS/X 10.6
+  const QByteArray docPath = QFile::encodeName(KGlobalSettings::documentPath());
+#ifdef Q_WS_MAC
+  QString bundlepath = s_instance->dirs()->findExe(QFile::decodeName(execpath));
+  QString argvexe = s_instance->dirs()->findExe(QString::fromLatin1(_name));
+#endif
+
   d.errorMsg = 0;
   d.fork = fork();
   switch(d.fork) {
@@ -513,7 +520,6 @@
      if (cwd && *cwd) {
          (void)chdir(cwd);
      } else {
-         const QByteArray docPath = QFile::encodeName(KGlobalSettings::documentPath());
          (void)chdir(docPath.constData());
      }