I don't think I can provide the source code. But maybe the debug output already provides some hints. This is using boost 1_39
-- Summary: Segmentation fault Product: gcc Version: 4.4.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: peter_foelsche at agilent dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42355