Josh Hursey, le Thu 09 Jun 2011 14:52:39 +0200, a écrit : > The odd thing about this environment is that the head node seems to > have a slightly different setup than the compute nodes (not sure why > exactly, but that's what it is). So hwloc is configured and runs > correctly on the head node, but when it is asked to run on the compute > nodes it segvs at the call site of the __builtin_ functions.
Could you post a disassembly of the site? > I suspect that the ABI compatibility of the libc interface is what is > enabling the remainder of the code to work in both environments, and > that the __builtin_ functions bypass that ABI to put in system > specific code that (for whatever reason) does not match on the compute > nodes. But the odd thing is that there shouldn't be any ABI things here, it's meant to be inlined. Samuel
