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A proper fix has been accepted upstream, this is just a simple workaround.
http://lists.ntp.isc.org/pipermail/hackers/2005-June/001418.html
http://bugs.gentoo.org/show_bug.cgi?id=99713
https://ntp.isc.org/bugs/show_bug.cgi?id=477
--- ntpd/ntpd.c
+++ ntpd/ntpd.c
@@ -691,6 +691,16 @@
"Cannot adjust stack limit for mlockall: %m");
}
}
+ /*
+ * The default RLIMIT_MEMLOCK is very low on Linux systems.
+ * Unless we increase this limit malloc calls are likely to
+ * fail if we drop root privlege. To be useful the value
+ * has to be larger than the largest ntpd resident set size.
+ */
+ rl.rlim_cur = rl.rlim_max = 32*1024*1024;
+ if (setrlimit(RLIMIT_MEMLOCK, &rl) == -1) {
+ msyslog(LOG_ERR, "Cannot set RLIMIT_MEMLOCK: %m");
+ }
}
# endif /* HAVE_SETRLIMIT */
/*
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