Hello, Can you send us the result of getconf GNU_LIBPTHREAD_VERSION to be sure we have a posix getpid and getppid ? Thanks in advance <div class="gmail_quote">2011/11/23 Caolán McNamara <<a href="mailto:caolanm@redhat.com">caolanm@redhat.com</a>> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="im">On Wed, 2011-11-23 at 13:48 +0000, Michael Meeks wrote: > Hi Caolan, > > On Tue, 2011-11-22 at 22:17 +0100, Arnaud Versini wrote: > > * Linux kernel version 2.6.18 or higher; -> clone() for NTPL > > * glibc2 version 2.5 or higher; -> NPTL > > IIRC you did some work on nailing down our Linux minimum base-line. How > does this compare vs. the above ? </div>My understanding is that our practical baseline is the RHEL-4.9 x86 build machine, which is... glibc: glibc-2.3.4-2.54 kernel: uname -r -> 2.6.9-101.plus.c4smp C. </blockquote></div> -- Arnaud Versini